# Fleyenda Flow Technology > Fleyenda Industrial Valve and Actuator ## Posts - [What Is a Pneumatic Actuator? Complete Guide 2026](https://www.fleyendavalve.com/what-is-a-pneumatic-actuator-complete-guide-2026/): What Is a Pneumatic Actuator? Complete Guide 2026 A Practical Introduction to Types, Working Principles, and Industrial Applications Introduction In modern industrial automation, pneumatic actuators play a vital role in controlling valves and mechanical systems. Known for their fast response, reliability, and cost-effectiveness, they are widely used across industries such as oil & gas, chemical processing, water treatment, and manufacturing. This guide explains what a pneumatic actuator is, how it works, its main types, and how to choose the right one for your application. What Is a Pneumatic Actuator? A pneumatic actuator is a device that converts compressed air energy - [How AI is Driving Demand in the Semiconductor & Valve Industry](https://www.fleyendavalve.com/how-ai-is-driving-demand-in-the-semiconductor-valve-industry/): How AI is Driving Demand in the Semiconductor & Valve Industry A Strategic Perspective on Automation, Precision Manufacturing, and Flow Control Evolution Introduction Artificial Intelligence (AI) is no longer a future concept—it is actively reshaping global industries. Among the most impacted sectors are semiconductors and industrial flow control, where precision, automation, and efficiency are critical. As AI technologies expand—powering data centers, autonomous systems, and smart manufacturing—the demand for advanced semiconductor production is surging. This growth is simultaneously driving new requirements for high-performance industrial valves, especially in ultra-clean and highly controlled environments. This article explores how AI is accelerating demand across - [Industrial Case Study: Valve Solutions for a Leading Sugar & Bioenergy Plant in Argentina](https://www.fleyendavalve.com/industrial-case-study-valve-solutions-for-a-leading-sugar-bioenergy-plant-in-argentina/): Industrial Case Study: Valve Solutions for a Leading Sugar & Bioenergy Plant in Argentina Client Overview This project centers on Ingenio La Corona, a historic and large-scale sugar mill located in the core of Argentina’s “Northern Sugar Belt.” Established in 1882, the company has evolved into a fully integrated agro-industrial complex combining: Sugar production (white & raw sugar) Ethanol and anhydrous alcohol manufacturing 60 MW cogeneration power plant Rail-connected export logistics infrastructure With a crushing capacity of 11,000 TCD (tons of cane per day), the plant represents a mature, high-demand industrial environment where reliability and efficiency are critical. 🏭 Industry - [Top 10 Industrial Valve Manufacturers in 2026](https://www.fleyendavalve.com/top-10-industrial-valve-manufacturers-in-2026/): Top 10 Industrial Valve Manufacturers in 2026 A Practical Guide for Engineers & Global Buyers Introduction Industrial valves remain a critical backbone of modern industry, enabling precise control of fluids across oil & gas, water treatment, power generation, and chemical processing. As global infrastructure expands and automation accelerates, the demand for high-performance, reliable valve manufacturers continues to grow. In 2026, leading valve manufacturers are no longer just suppliers — they are solution providers, integrating smart control, advanced materials, and application-specific engineering. This article highlights the Top 10 Industrial Valve Manufacturers in 2026, based on market presence, engineering capability, and global - [Valves Used in Hydrogen Energy Systems: Types, Challenges and Selection Guide (2026)](https://www.fleyendavalve.com/valves-used-in-hydrogen-energy-systems-types-challenges-and-selection-guide-2026/): Valves Used in Hydrogen Energy Systems: Types, Challenges and Selection Guide (2026) Learn about valves used in hydrogen energy systems, including types, applications, materials, and key challenges such as hydrogen embrittlement and leakage control. Valves Used in Hydrogen Energy Systems Introduction As the global energy industry shifts toward decarbonization, hydrogen is rapidly emerging as a key clean energy carrier. From hydrogen production and storage to transportation and fuel cell applications, valves play a critical role in ensuring safe and efficient system operation. However, hydrogen is fundamentally different from conventional industrial gases. Its unique physical and chemical properties require specialized valve - [Responsibility in Action: From Emergency Rescue to Industrial Safety](https://www.fleyendavalve.com/responsibility-in-action-from-emergency-rescue-to-industrial-safety/): Beyond Business: Responsibility in Action A Commitment That Goes Beyond Business At Fleyenda, we believe that true value goes beyond products and services — it lies in the responsibility we carry toward society. As a company dedicated to providing reliable industrial valve solutions, we understand that responsibility is not only reflected in what we manufacture, but also in the values we uphold. Leadership Through Action Our General Manager, Lynn Lin, serves as the Dongguan Team Leader of the 蓝天救援队, a well-recognized civil rescue organization in China. Over the years, he has actively participated in a wide range of emergency response - [Oil Industry Valve Case Study | Fleyenda Valve Supports Major Kazakhstan Refinery](https://www.fleyendavalve.com/oil-industry-valve-case-study-fleyenda-valve-supports-major-kazakhstan-refinery/): Oil Industry Valve Case Study | Fleyenda Valve Supports Major Kazakhstan Refinery “Delivering Reliable Valve Solutions for Over 40 Years of Oil Refining Excellence” 1. Project Background One of the largest oil refineries in northeastern Kazakhstan (hereinafter referred to as “K Refinery”) is among the top three refineries in the country, established in the 1970s. The refinery operates a full set of processing units, including: Crude distillation Deep processing units Residue treatment systems For more than four decades, K Refinery primarily relied on European valve brands. However, as equipment aged and maintenance demands increased, the refinery began seeking more flexible, - [Check Valve Solutions for Corrosive Applications | Fleyenda Valve](https://www.fleyendavalve.com/check-valve-solutions-for-corrosive-applications-fleyenda-valve/): Check Valve Solutions for Corrosive Applications | Fleyenda Valve In industries such as water treatment, chemical processing, and marine engineering, handling corrosive media like chlorine and saltwater presents unique challenges. These environments require not only durable pipeline systems but also highly reliable check valve solutions to ensure safe and efficient operation. At Fleyenda Valve, we understand that selecting the right check valve is critical when dealing with aggressive chemicals. Proper material selection and valve design can significantly extend service life, reduce maintenance costs, and prevent system failures. Why Check Valves Are Critical in Corrosive Systems A check valve is designed - [One-Stop Vacuum Valve Procurement for Semiconductor and Chip Industry Projects](https://www.fleyendavalve.com/one-stop-vacuum-valve-procurement-for-semiconductor-and-chip-industry-projects/): One-Stop Vacuum Valve Procurement for Semiconductor and Chip Industry Projects Project Background The semiconductor and chip industry requires extremely strict standards for equipment, materials, and pipeline systems. In many semiconductor manufacturing environments, vacuum systems play a critical role, making the selection of reliable vacuum valves essential for stable production. An engineering contractor working in the semiconductor industry contacted us while preparing for a new project. The client needed to source more than 100 different materials and components, including various vacuum valves, vacuum fittings, and semiconductor pipeline components. However, the procurement process quickly became complicated. The client had already received quotations - [Electric Actuators Structure and Debugging Steps](https://www.fleyendavalve.com/electric-actuators-structure-and-debugging-steps/): Electric Actuators Structure and Debugging Steps Electric actuators are widely used in modern valve automation systems. They convert electrical energy into mechanical motion, allowing valves to open, close, or modulate automatically. In industries such as oil & gas, water treatment, chemical processing, and power generation, electric actuators play an essential role in ensuring accurate flow control and efficient operation. As a professional valve manufacturer, Fleyenda provides reliable electric actuator solutions designed for industrial valve automation. Understanding the structure and debugging steps of electric actuators helps ensure proper installation, stable performance, and long service life. Basic Structure of Electric Actuators An - [7 Types of Valve Sealing Rings Introduction – A Guide to Fleyenda Valve Solutions](https://www.fleyendavalve.com/7-types-of-valve-sealing-rings-introduction-a-guide-to-fleyenda-valve-solutions/): 7 Types of Valve Sealing Rings Introduction – A Guide to Fleyenda Valve Solutions In industrial fluid control systems, sealing performance is one of the most critical factors affecting valve reliability and service life. High-quality sealing components prevent leakage, maintain pressure stability, and ensure safe operation in demanding environments such as oil & gas, chemical processing, and water treatment. At Fleyenda Valve, selecting the correct sealing ring material and structure is essential to guarantee optimal valve performance. Different sealing ring types are designed to handle specific pressure levels, temperatures, and media conditions. Below is an introduction to seven common valve - [A Successful Indonesia Pulp and Paper Industry Valve Project - Fleyendavalve](https://www.fleyendavalve.com/a-successful-indonesia-pulp-and-paper-industry-valve-project-fleyendavalve/): Indonesia Paper Plant Valve Project  Project Background An engineering company in Indonesia was developing a paper plant as part of a large-scale infrastructure project.At the early construction stage, most facilities were still under planning, and the valve system specifications were incomplete. When the client first contacted Fleyenda, they could only provide basic valve categories—such as ball valves and butterfly valves—without detailed parameters like materials, pressure ratings, sealing requirements, or connection types. The initial quotation attempt was unsuccessful. However, through multiple rounds of technical discussions (over five to six iterations), the project gradually progressed as the client’s engineering team finalized the - [Seven Tips for Choosing the Right Ball Valve Manufacturer](https://www.fleyendavalve.com/tips-for-choosing-ball-valve-manufacturer/): Seven Tips for Choosing the Right Ball Valve Manufacturer Selecting the right ball valve manufacturer is a critical decision for any industrial fluid control system. The quality, reliability, and long-term performance of ball valves directly affect system safety, operational efficiency, and maintenance costs.To help buyers make informed decisions, here are seven practical tips to consider when choosing a professional ball valve manufacturer like Fleyenda. 1. Evaluate Product Quality and Manufacturing Capability Product quality should always be the top priority. A reliable ball valve manufacturer uses high-grade raw materials, advanced machining equipment, and strict quality control processes. Precision manufacturing, proper sealing - [Industrial Valve Types Guide by Fleyenda](https://www.fleyendavalve.com/industrial-valve-types-guide-by-fleyenda/): Industrial Valve Types Guide by Fleyenda Industrial valves are fundamental components in fluid control systems, playing a critical role in isolating flow, regulating pressure, and ensuring operational safety across industries. From oil and gas pipelines to water treatment plants and chemical processing lines, selecting the right valve type directly impacts system efficiency, reliability, and lifecycle cost. This guide provides a structured overview of the most commonly used industrial valve types offered by Fleyenda, focusing on their working principles, strengths, and ideal applications. The content is designed for engineers, project managers, and procurement teams seeking practical, application-driven insights.   Manual, Actuated, - [Electric Ball Valve Applications Advancing Kazakhstan’s Oil & Gas Industry](https://www.fleyendavalve.com/electric-ball-valve-applications-advancing-kazakhstans-oil-gas-industry/): Electric Ball Valve Applications Advancing Kazakhstan’s Oil & Gas Industry A Successful Field Application Case in Kazakhstan Introduction: Electric Ball Valves in Modern Oil & Gas Operations In today’s oil and gas industry, electric ball valves play a critical role in ensuring safe, efficient, and precise control of gas and liquid media. Especially in natural gas production and processing, valves must deliver fast response, reliable sealing, stable control signals, and seamless integration with existing PLC and DCS systems. As oil and gas operators worldwide seek cost-effective yet high-performance alternatives to traditional European brands, Chinese industrial valve manufacturers are increasingly proving - [Common Gate Valve Problems and Solutions - Fleyenda Valve](https://www.fleyendavalve.com/common-gate-valve-problems-and-solutions-fleyenda-valve/): Common Gate Valve Problems and Solutions A Practical Guide to Gate Valve Troubleshooting, Testing, and Maintenance Gate valves are widely used in industrial fluid control systems to start or stop flow. However, gate valve problems such as leakage, jamming, or operational difficulty can interrupt operations and result in costly downtime. Understanding how a gate valve works, how to identify common failures, and how to apply proper maintenance practices is essential for ensuring safe and efficient system performance. This guide provides a clear overview of the most common industrial gate valve problems, along with practical troubleshooting and preventive solutions. Common Gate - [Fleyenda Completes Successful Client Visit in Atyrau Region, Kazakhstan](https://www.fleyendavalve.com/fleyenda-completes-successful-client-visit-in-atyrau-region-kazakhstan/): On December 18th, Fleyenda visited our valued client in Atyrau Region, Kazakhstan, marking an important step in strengthening our business relationship. The visit focused on technical discussions and a deeper understanding of on-site requirements, allowing both parties to exchange insights on current projects and application needs. Through direct communication, we further demonstrated Fleyenda’s engineering expertise and commitment to delivering reliable, customer-oriented solutions. This visit also provided an excellent opportunity to explore future cooperation and long-term collaboration. We believe it has laid a solid foundation for continued partnership and sustainable growth in the Kazakhstan market. - [How to Choose the Right Auto Ball Valve And The Maintenance Tips](https://www.fleyendavalve.com/how-to-choose-the-right-auto-ball-valve-and-maintenance-tips/): Choosing the right Auto Ball Valve (also referred to as an actuated ball valve in industrial contexts) can feel overwhelming when you’re balancing fluid compatibility, pressure requirements, and automation needs. Whether you’re deciding between an Electric Ball Valve and a Pneumatic Ball Valve, or figuring out if a Stainless Steel Actuated Ball Valve is the best fit for corrosive media, this guide breaks down everything you need to know. A reliable Auto Ball Valve is a workhorse in industrial fluid control, offering precise regulation and reliable shut-off—so getting the right one (and maintaining it well) saves time, money, and headaches - [873 Full-Series Industrial Manual Valves Shipped to Indonesia: Why Choose Fleyenda?](https://www.fleyendavalve.com/industrial-manual-valves-selection-guide/): On July 10, 2025, Fleyenda’s team received an inquiry via the official website from Abdul Haris Nasution, an Indonesian client. His company specializes in high-purity chemical material production and is renovating a large-scale chemical production line. The client required 873 full-series manual valves, including ball valves, butterfly valves, gate valves, globe valves, check valves, and various pipeline fittings. The new production line handles highly corrosive and toxic media, such as 98% concentrated sulfuric acid, 30% hydrochloric acid, caustic soda, and toxic chlorine gas—creating extremely harsh operating conditions. As a result, every component of the valves required specialized customization to meet - [Beginner's Guide to Valves: What Is a Industrial Valve and How It Works](https://www.fleyendavalve.com/what-is-an-industrial-valve-and-how-it-works/): If you’ve ever stood in front of a shelf of manual valves wondering which one fits your industrial setup—whether it’s for chemical processing or general fluid control—you’re not alone. This manual valve selection guide is built to clear that confusion by breaking down key choices, from comparing gate valve vs ball valve applications to checking manual valve material compatibility. We’ll also cover how to ask the right manual valve purchasing questions and when custom manual valve solutions make sense, especially for tricky jobs like manual valves for chemical processing. By the end, you’ll have a clearer path to picking valves - [How to Switch Between Different Brands of Electric Actuated Ball Valves](https://www.fleyendavalve.com/how-to-switch-between-different-brands-of-electric-actuated-ball-valves/): Many industrial users often raise the same question: If I want to replace my current valve brand with another, will there be any risks? This article offers a detailed interchangeability guide designed to help you avoid issues such as mismatched components or unexpected performance deviations. The guide explains why users choose to switch brands, the key factors to check before making a change, a smooth replacement case study from Kazakhstan, after-sales feedback, and a set of frequently asked questions. The focus remains on what matters most—dimensional compatibility and performance specifications. Table of Contents Why More and More Users Are Considering - [CV and KV Values | Valve Flow Coefficient](https://www.fleyendavalve.com/cv-and-kv-values-valve-flow-coefficient-4/) - [Electric Actuators Structure and Debugging Steps | Valve Manufacturer](https://www.fleyendavalve.com/electric-actuators-structure-and-debugging-steps-valve-manufacturer-4/) - [11 Types of Valve Sealing Rings Introduction](https://www.fleyendavalve.com/11-types-of-valve-sealing-rings-introduction-4/) - [CV and KV Values | Valve Flow Coefficient](https://www.fleyendavalve.com/cv-and-kv-values-valve-flow-coefficient-3/): The Cv/Kv value is an important parameter and technical indicator for control valves. Throttle Simulation of Regulating Valve I. Cv Value The Cv (Circulation Volume) value is an abbreviation for the valve flow coefficient, representing the valve’s flow capacity. It signifies the volume flow of the medium through the valve per unit of time while maintaining a constant pressure in the pipeline. The Cv value is defined as the flow rate of water in gallons per minute passing through the valve under the condition of full valve opening, with a pressure difference of 1 pound at both ends of the - [Electric Actuators Structure and Debugging Steps | Valve Manufacturer](https://www.fleyendavalve.com/electric-actuators-structure-and-debugging-steps-valve-manufacturer-3/) - [11 Types of Valve Sealing Rings Introduction](https://www.fleyendavalve.com/11-types-of-valve-sealing-rings-introduction-3/) - [CV and KV Values | Valve Flow Coefficient](https://www.fleyendavalve.com/cv-and-kv-values-valve-flow-coefficient-2/) - [Electric Actuators Structure and Debugging Steps | Valve Manufacturer](https://www.fleyendavalve.com/electric-actuators-structure-and-debugging-steps-valve-manufacturer-2/) - [11 Types of Valve Sealing Rings Introduction](https://www.fleyendavalve.com/11-types-of-valve-sealing-rings-introduction-2/) - [CV and KV Values | Valve Flow Coefficient](https://www.fleyendavalve.com/cv-and-kv-values-valve-flow-coefficient/) - [Electric Actuators Structure and Debugging Steps | Valve Manufacturer](https://www.fleyendavalve.com/electric-actuators-structure-and-debugging-steps-valve-manufacturer/) ## Pages - [Pneumatic Actuator Valve](https://www.fleyendavalve.com/pneumatic-actuator-valve/): Electric Actuator Valve Solution Fleyenda Auto Electric Actuator Valve Solution As industrial processes become increasingly automated and intelligent, valve actuation systems must evolve to keep up with the pace. At Fleyenda Flow, we’ve developed the Auto Electric Actuator Valve Solution — a high-performance, IP68-rated electric valve system that ensures reliability, precision, and speed across the toughest applications. Case Study Selection Guide Explore Our Products Durable Flow Control for Chemical Manufacturing Fleyenda valves handle aggressive chemicals with advanced sealing, automation, and durable materials. OUR FOCUS Automation Industrial Electric Valves Designed with automation in mind, Fleyenda’s electric actuated valves are compatible with - [Electric Actuator Valve Solution](https://www.fleyendavalve.com/electric-actuator-valve/): Electric Actuator Valve Solution Fleyenda Auto Electric Actuator Valve Solution As industrial processes become increasingly automated and intelligent, valve actuation systems must evolve to keep up with the pace. At Fleyenda Flow, we’ve developed the Auto Electric Actuator Valve Solution — a high-performance, IP68-rated electric valve system that ensures reliability, precision, and speed across the toughest applications. Case Study Selection Guide Explore Our Products Durable Flow Control for Chemical Manufacturing Fleyenda valves handle aggressive chemicals with advanced sealing, automation, and durable materials. OUR FOCUS Automation Industrial Electric Valves Designed with automation in mind, Fleyenda’s electric actuated valves are compatible with - [Thank you](https://www.fleyendavalve.com/thank-you/): Thank You We will contact you within 12 hours Redirecting in 5 seconds… - [All Products](https://www.fleyendavalve.com/product/) - [About Us](https://www.fleyendavalve.com/about-us/): About Fleyenda Fleyenda is a trusted valve manufacturer with over 20 years of experience, serving 89+ countries. We specialize in electric, pneumatic, and manual valves, delivering reliable flow control solutions backed by innovation, quality, and expert support. .elementor > .elementor-section:not(.lqd-hide-onstuck):not(.lqd-stickybar-wrap)”, “duration”: “last-link” }’ data-move-element='{ “target”: “.vc_row” }’ > Our Company Why Choose Us? Meet The Team Our Services Proof of Excellence OUR COMPANY Driven by Innovation. Trusted Worldwide. Since its founding in 2005, Guangdong Fleyenda Flow Technology Co., Ltd. has become a global leader in valve and actuator solutions. With 20 years of experience, we proudly serve over 950 clients - [Terms & Conditions](https://www.fleyendavalve.com/terms-and-conditions/): GENERAL TERMS Terms and Conditions Review the terms that govern your use of Fleyenda’s website and the purchase of our products. This page outlines our sales policies, warranties, liability, and other important legal information. 1. General These Terms and Conditions (“Terms”) apply to all sales of products and services (“Products”) by Fleyenda Flow (“Fleyenda”) to any buyer (“Customer”), unless otherwise agreed in writing. Any terms proposed by Customer that conflict with or add to these Terms are rejected unless expressly accepted in writing by Fleyenda. 2. Quotations and Orders All quotations are valid for 30 days unless stated otherwise. Orders - [What are Valve Pressure Ratings and Connection Standards？](https://www.fleyendavalve.com/selection-guides/what-are-valve-pressure-ratings-and-connection-standards/): Back to Selection Guide What are Valve Pressure Ratings and Connection Standards? Here at FleyendaFlow, we know that choosing the right valve for your piping system is absolutely critical. The wrong choice can lead to system failures or even safety hazards. To help you get it right every time, quickly and accurately, we’ve put together this guide to demystify two of the most important technical specs: pressure ratings and connection standards. As a company that has proudly served over 950 customers in 89 countries since 2005, we want to share our expertise with you. Our goal is to provide clear, - [How to Select the Right Valves for Industrial Flow Systems?](https://www.fleyendavalve.com/selection-guides/how-to-select-the-right-valves-for-industrial-flow-systems/): Back to Selection Guide How to Select the Right Valves for Industrial Flow Systems? Understanding Industrial Flow Systems Valve With so many valve types available, choosing the right one for an industrial system can be overwhelming—especially when dealing with different flow control needs, media properties, and pipeline conditions. Selecting the wrong valve can lead to poor flow control, leakage, clogging, or reduced system efficiency, ultimately compromising safety and performance. We’ve broken down eight core valve types, highlighting their key differences and ideal use cases. From precise flow regulation to handling corrosive media, this guide helps you quickly identify the best - [Industrial Valves Material Selection Guide](https://www.fleyendavalve.com/selection-guides/industrial-valves-material-selection-guide/): Back to Selection Guide Industrial Valves Material Selection Guide Choosing the wrong valve material can lead to dangerous leaks and expensive system failures. This critical decision can feel overwhelming. Let's make the right choice together using proven industry principles. To choose the right valve material, you must analyze your fluid media, operating temperature, and pressure. Common body materials like cast iron, carbon steel, and stainless steel are selected for strength, while seat materials are chosen for sealing properties against the specific process conditions. 01. What are valve bodies and seats made of? It is confusing to see codes like WCB, - [FAQs](https://www.fleyendavalve.com/faqs/): Frequently Asked Questions Find answers to common questions about electric and pneumatic ball valves, actuator types, functions, and customization options to help you choose the right solution. YOUR COMPLETE GUIDE Electric vs Pneumatic Ball Valves & Actuator FAQs Get expert answers to frequently asked questions about our valve and actuator products, performance, and services. 1. Should I choose Electric ball valve or Pneumatic ball valve? • It depends on the installation site situation whether it is electricity or compressed air.• The opening time, the electric ball valves are with slower opening time(5–30seconds) than the pneumatic ball valves, and not suitable - [Catalogue](https://www.fleyendavalve.com/catalogue/): Our Catalogues Attached is Fleyenda’s full catalogue with product details, features, and applications. For wholesale pricing, feel free to contact us! EXPLORE OUR CATALOGUE Fleyenda Valve & Actuator Catalogue Download our latest product catalogue to explore electric and pneumatic valve solutions, technical specifications, and application insights. Fleyenda Multiturn Electric Actuator Fleyenda On&Off Type Electric Actuator Instruction Fleyenda Pneumatic Valves Catalogues Fleyenda At Pneumatic Actuators Catalogue Fleyenda AW Pneumatic Actuators Catalogue Fleyenda – Self-Operated Pressure Control Valve Fleyenda Pneumatic Fleyenda Flow Solenoid Valve Catalogue (Ocr) Limit Switch Box Limit Switch-Apl-2N - [Selection Guides](https://www.fleyendavalve.com/selection-guides/): Selection Guide The selection guide column from Fleyenda Valve mainly tells you how to choose suitable actuated valves and accessories. It can provide you with valuable information on selecting the suitable valve for different applications. VALVE SELECTION GUIDE Find Your Ideal Valve Fleyenda’s Selection Guide helps you choose the right valves, actuators, and accessories for your application—ensuring reliable and efficient performance. How to Select the Right Valves for Industrial Flow Systems? Mainly Industrial Flow Systems Valve Types Mainly Industrial Flow Systems Valve Automation Actuator Types 5 Key Factors of Choosing Chinese Industrial Flow Systems Valves Read More Industrial Valves Material - [Shop](https://www.fleyendavalve.com/shop/) - [Case Study](https://www.fleyendavalve.com/solutions/environmental/environmental-case-study/): Back to Environmental Industry Electric Multi-turn Gate Valve Enhances Automation in Water Treatment Plant At Fleyenda Flow, we know that water treatment plants operate under extreme demands — from fluctuating water pressures and corrosive environments to round-the-clock valve actuation. For one of our end-users in the municipal water sector, outdated valve systems were creating bottlenecks in flow control, reducing energy efficiency and increasing maintenance frequency. To help resolve these challenges, our team supplied a custom-built Electric Multi-turn Control Gate Valve, designed specifically for the high-performance, high-reliability environment of modern water treatment facilities. The Challenge: High Frequency, High Humidity, Zero Room - [Case Study](https://www.fleyendavalve.com/solutions/food-and-beverage/food-and-beverage-case-study/): Reliable Flow Control for Transportation, Storage, and Distribution Back to Food and Beverage Industry Fleyenda Electric Sanitary Ball Valve Installed in a Wine Filtration System At Fleyenda Flow, we know that cleanliness, precision, and process control are essential pillars in winemaking. Recently, we worked with a leading wine producer to deliver a fully automated, hygienic valve solution that ensures smooth wine filtration, precise flow regulation, and maximum product integrity — all while minimizing downtime for cleaning and maintenance. The Project The client’s filtration line needed more than just on-off valves. Their goal was to achieve accurate switching between process lines, - [Case Study](https://www.fleyendavalve.com/solutions/chemical/chemical-case-study/): Back to Chemical Industry Fast-Acting Valves Empower Precision in Erosion Spray Systems At Fleyenda Flow, we believe that a valve is more than just a mechanical component — it's a vital control point that drives precision, efficiency, and safety in complex systems. This belief was once again validated when we partnered with a client from Australia specializing in erosion spray equipment for industrial coatings and surface treatment. Understanding the Challenge Our Australian client was developing a high-performance erosion spray system that required fast and accurate delivery of paint or coating materials. However, conventional valves were too slow and imprecise to - [Case Study](https://www.fleyendavalve.com/solutions/power-and-nuclear/power-and-nuclear-case-study/): Back to Power and Nuclear Industry Precision Valve Solutions for Industrial Boilers in Power Plants It began with a surprise message. One of our European clients, a professional EPC contractor specializing in industrial boilers and power generation systems, notified us that he was temporarily staying in a nearby city. Although his time was limited, the Fleyenda team immediately seized the opportunity. Within two hours, our technical and sales colleagues gathered reference materials, prepared valve samples, and traveled directly to Shenzhen for an on-site meeting. Understanding the Demands of Boiler Systems In this project, the client required valves for a high-temperature - [Case Study](https://www.fleyendavalve.com/solutions/new-energy/new-energy-case-study/): Back to New Energy Industry CPVC Butterfly Valves Delivered for Carbon Capture Equipment At Fleyenda Flow, we understand the critical role that precise, durable valves play in cutting-edge environmental technologies. Recently, we partnered with a UK-based company specializing in carbon capture and storage (CCS) solutions to supply high-performance CPVC butterfly valves tailored to their demanding process conditions. The Challenge: Corrosive Media and Reliability in Carbon Capture Carbon capture equipment involves handling aggressive chemical media such as amine solvents used to absorb CO₂ from flue gases. The valves in these systems must resist corrosion, maintain leak-tight sealing, and operate reliably under - [Case Study](https://www.fleyendavalve.com/solutions/oil-and-gas/oil-and-gas-case-study/): Back to Oil and Gas Solution Enhancing Flow Control Efficiency for Petronas Fleyenda’s success is built on real-world results—driven by innovation, precision, and strong client partnerships. See how companies like Petronas achieved operational excellence with our solutions. Inspired by their story? Share it and discover how Fleyenda can support your business too. Share Reliable Flow Control for Transportation, Storage, and Distribution Fleyenda partnered with Petronas, a leading player in the oil and gas sector, to deliver advanced valve automation solutions for a critical upstream facility in Malaysia. To meet stringent safety and performance standards, we supplied a combination of electric - [Pneumatic Actuator Valve Case Study](https://www.fleyendavalve.com/pneumatic-actuator-valve-case-study/) - [Electric Actuator Valve Case Study](https://www.fleyendavalve.com/electric-actuator-valve-case-study/) - [Environmental](https://www.fleyendavalve.com/solutions/environmental/): Environmental Efficient Flow Control for Water and Environmental Systems Fleyenda Flow delivers durable, eco-conscious valve technologies designed for water treatment, wastewater, air pollution control, and renewable resources. Built for efficiency and compliance, our solutions promote sustainability and system reliability. Case Study Selection Guide Explore Our Products Valves for Sustainable Environmental Applications Fleyenda supports water treatment, pollution control, and renewable systems with long-lasting, eco-safe valves. OUR FOCUS Environmental Solutions The environmental industry covers water treatment, air purification, and sustainable waste handling—each requiring dependable, long-life valves. Fleyenda provides anti-corrosive, abrasion-resistant valves for sludge, chemicals, brine, and gas flow. We support municipal, industrial, - [Food and Beverage](https://www.fleyendavalve.com/solutions/food-and-beverage/): FOOD & BEVERAGE Hygienic Valve Solutions for Food and Beverage Safety Fleyenda Flow provides precision-engineered, food-grade valves built for sanitary compliance and operational efficiency in food and beverage production. Our solutions prioritize hygiene, clean-in-place compatibility, and corrosion resistance for applications from dairy to brewing. Case Study Selection Guide Explore Our Products Hygienic Valves for Food and Beverage Applications Designed for sanitation and consistency, our valves ensure product safety across food and beverage lines. OUR FOCUS Food & Beverage Industry The food and beverage sector demands strict hygiene, smooth flow control, and minimal contamination risk. Fleyenda’s valves meet global food safety - [Chemical](https://www.fleyendavalve.com/solutions/chemical/): Chemical Engineered Valve Solutions for Chemical Process Safety Fleyenda Flow offers high-integrity valve systems built to withstand corrosive chemicals, extreme temperatures, and demanding pressures. From basic chemicals to specialty and fine chemical production, our advanced solutions ensure process safety, containment, and compliance with global industrial standards. Case Study Selection Guide Explore Our Products Durable Flow Control for Chemical Manufacturing Fleyenda valves handle aggressive chemicals with advanced sealing, automation, and durable materials. OUR FOCUS Chemical Industry Chemical manufacturing spans a broad range of aggressive media, high-risk reactions, and precise process requirements. Fleyenda valves are specifically engineered to resist harsh acids, solvents, - [Power and Nuclear](https://www.fleyendavalve.com/solutions/power-and-nuclear/): Power & Nuclear Advanced Valve Technologies for Power Generation Valves play a crucial role in the power and nuclear industries, where systems operate under extreme conditions and demand uncompromising reliability. Case Study Selection Guide Explore Our Products Precision Flow Control for Power Generation Systems Engineered for thermal, hydro, and nuclear plants, our valves offer reliable control under pressure, heat, and radiation. OUR FOCUS Power & Nuclear Industry Power generation infrastructure depends on flawless fluid handling to maintain efficiency, safety, and uptime. Fleyenda provides flow control solutions built to endure high temperatures, radiation exposure, and system cycling in power stations and - [New Energy](https://www.fleyendavalve.com/solutions/new-energy/): NEW ENERGY Leading Valve Technologies for the New Energy Era Fleyenda Flow supports the transition to a low-carbon future with high-performance valve and automation solutions designed for hydrogen, wind, solar, and energy storage systems. Built for safety, corrosion resistance, and intelligent control, our solutions ensure performance and reliability in dynamic, clean-energy environments. Case Study Selection Guide Explore Our Products Advanced Flow Control for New Energy Applications Discover Fleyenda’s full capabilities in flow control across emerging energy sectors. OUR FOCUS New Energy Industry The global shift toward carbon neutrality depends on reliable systems for clean energy production, storage, and distribution. Fleyenda - [Oil and Gas](https://www.fleyendavalve.com/solutions/oil-and-gas/): OIL AND GAS Reliable Valve Technologies for Demanding Environments Fleyenda Flow delivers API-certified valve solutions engineered for the extreme conditions of the oil and gas industry. From drilling to refining, our high-performance valves ensure safety, efficiency, and long-term reliability in critical operations. Case Study Selection Guide Explore Our Products Advanced Valve Solutions for Oil and Gas Solutions Discover Fleyenda’s full range of advanced valve technologies OUR FOCUS Oil & Gas Industry The oil and gas sector powers the global economy, delivering essential fuels for transportation, energy for industries, and key feedstocks for plastics and petrochemicals that impact everyday life. Fleyenda’s - [Solutions](https://www.fleyendavalve.com/solutions/): Solutions Fleyenda Valve Chemical Industry Application, Water & Wastewater Treatment Application, Food & Beverage industry Application, Metal Smelting Industry Project Application, Sugar Industry Project, Marine & Shipbuilding Application Our Solutions Empowering Industries with Innovative Flow Control Fleyenda’s commitment to innovation drives the development of high-performance products tailored to the evolving needs of industries worldwide. By combining cutting-edge engineering, exceptional quality, and a customer-first approach, we deliver solutions that address critical challenges and exceed expectations. Electric Actuator Valve Solution Smart, high-performance valves with remote control, precise adjustment, and seamless automation integration. Case Study Learn More Pneumatic Actuator Valve Solution Fast-acting, explosion-proof - [Privacy Policy](https://www.fleyendavalve.com/privacy-policy/): PRIVACY POLICY Fleyenda Data Protection Policy Learn how Fleyenda collects, uses, and protects your personal information. This policy explains your rights, our data practices, and how we ensure your privacy is respected. Effective Date: 14 May 2025 Fleyenda Flow (“we”, “us”, or “our”) respects your privacy and is committed to protecting any personal information you may provide through our website, communications, or transactions. 1. Information We Collect We may collect the following information: • Contact details (name, company name, email, phone) 2. How We Use Your Information We use collected information to: • Process inquiries and fulfill orders • Provide - [What We Do](https://www.fleyendavalve.com/what-we-do/): Company Research and Development Discover the global city—filled inspiration, opportunities to explore. 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Explore diversity at Chicago - [Services](https://www.fleyendavalve.com/services/): Research and Development Data Analysis Startup Investment Leading Experience Zero Broker Commission Global Data Analysis Get a Free Quote Toll Free Call Center: +48 4348 80 32 Business Analytics Research and Development Through a unique combination of engineering, construction and design disciplines and expertise. Data Analysis Take advantage of the experiential-learning opportunities built into many programs. You can work in labs on and off campus or even spend semesters overseas. One Construction employs over 3 000 employees, the majority of whom are based on project sites. We embrace holistic development and support for employees with the aim of being a - [News](https://www.fleyendavalve.com/news/): News & Insights Welcome to Fleyenda valves manufacturer news column, here mainly for you to introduce the electric valves, pneumatic valves, manual valves industry-related news, application, use, process, customers feedback, etc. INSIGHTS & UPDATES Fleyenda News & Industry Updates Stay up to date with the latest news from Fleyenda, including product updates, valve applications, industry trends, and customer feedback. All News Company News Industrial News All NewsCompany NewsIndustrial News Tags Company News 1 week ago CV and KV Values | Valve Flow Coefficient Tags Industrial News 1 week ago Electric Actuators Structure and Debugging Steps | Valve Manufacturer Tags Company - [Help Center](https://www.fleyendavalve.com/help-center/): Help Center Research and Development Data Analysis Startup Investment Leading Experience Zero Broker Commission Global Data Analysis User Data Analysis Guaranteed by the trusted aviation services We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise. Professional end to end encryption for companies We embrace holistic development and support for employees with the aim of being a first-choice employer within our sectors. Through a unique combination of engineering, construction and design disciplines and expertise. Zero broker commission for data - [Contact](https://www.fleyendavalve.com/contact/): Contact Us We’re here to help you with all your valve and actuator needs. Whether you have questions about our products, need a custom solution, or want a quote, our team is ready to assist. LET’S CONNECT Get in Touch with Fleyenda Have a question about our valves or actuators? Need technical support or a custom solution for your project? We’re here to help. Email us inquiry@fleyendaflow.com Call us +86 1355 3819 364+86-0769-22308009 Connect with us Locate us 1010-1012, Fuxi Building, Keyuan S Rd,Guangcheng District, Dongguan 523000,Guangdong Province, China - [Homepage](https://www.fleyendavalve.com/): Fast Delivery • Cost-effective Solutions • OEM & ODM Service One-stop Valve Accessories Purchasing at Competitive Prices SS316L Food grade and medical grade sanitary fittings and valves available. Choose from over 100 types of high-pressure, high-temperature metal fittings with zero leakage and burr-free finishes. Learn More Flow Control Expertise • One-Stop Valve Solutions • Easy Partnership Your Partner of Comprehensive Valve Solutions Total solution for small & large dimension, normal & high pressure, low & high temperature pipelines, industrial, chemical, metallurgy, construction applications. Make the fluid line more controllable. Learn More Smart Control • Corrosion Resistance • Custom Solutions Smart ## Products - [FLE-Z10-KG Lug Type Electrical Motorized Round Port Knife Gate Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-knife-gate-valve/fle-z10-kg-lug-type-electrical-motorized-round-port-knife-gate-valve/): Lug type motorized round port knife gate valves provide tight shut-off and use an electric actuator for precise, reliable remote control. They are widely used in wastewater treatment, mining, chemical processing, and power generation applications. - [FLE-QH-KGV Stainless Steel Flange Multi-turn Explosion-proof Electric Knife Gate Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-knife-gate-valve/fle-qh-kgv-stainless-steel-flange-multi-turn-explosion-proof-electric-knife-gate-valve/): The multi-turn explosion-proof electric knife gate valve adopts a pressure self-tightening seal, or a valve body and cover gasket sealing structure. The sealing surfaces of the disc and seat are made of cobalt-chromium-tungsten carbide by plasma spray welding. The sealing surface has high hardness and friction-resistant. - [FLE-Z15-GA Flange WCB Electric Gate Valve Multi-turn Fleyenda](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-gate-valve/fle-z15-ga-flange-wcb-electric-gate-valve-multi-turn-fleyenda/): FLE-Z15-GA is a single gate electric multi-turn gate valve. The gate valve body is made of WCB (cast carbon steel), which has excellent durability and corrosion resistance. This makes it suitable for a variety of applications including water, oil, gas and steam. - [FLE-QT-GAV Regulating Electric Actuator Automatic Explosion-proof Gate Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-gate-valve/fle-qt-gav-regulating-electric-actuator-automatic-explosion-proof-gate-valve/): FLE-QT-GAV electric gate valve features an emergency power-off reset function, allowing the actuator to drive the valve to a fully open or fully closed position during a power outage. - [FLE-QT-FGV High-Temperature Electric Actuator Automatic Explosion-proof Gate Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-gate-valve/fle-qt-fgv-high-temperature-electric-actuator-automatic-explosion-proof-gate-valve/): FLE-QT-FGV one-way electric straight-through gate valve is made of carbon steel, suitable for water, steam, oil, and other media, with a maximum operating temperature of 425°C. - [FLE-QH-FGV Mini Explosion Protect ANSI Motorized Flange Gate Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-gate-valve/fle-qh-fgv-mini-explosion-protect-ansi-motorized-flange-gate-valve/): FLE-QH-FGV miniature explosion-proof actuators feature pinless connection technology with stainless steel and carbide sealing surfaces for extended service life. The motorized flange gate valve is equipped with flexible graphite packing.Widely used for on/off control in oil, water, and steam pipelines across petroleum, chemical, and thermal power industries. - [FLE-QH-GAV Cast Iron Flanged Multi-turn Gate Valve with Electric Actuator](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-gate-valve/fle-qh-gav-cast-iron-flanged-multi-turn-gate-valve-with-electric-actuator/): FLE-QH-GAV cast steel wedge-type rigid single gate valve with electric actuator has a simple structure, small size and relatively reliable use. It is suitable for various media and pressure environments at normal and medium temperatures. - [Fleyenda Z-Series Industrial Multi-turn Electric Gate Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-gate-valve/fleyenda-z-series-industrial-multi-turn-electric-gate-valve/): Multi-turn electric gate valve fit for industrial area. It is made from materials such as CF8, CF3, CF8M, CF3M, WCB, LCB, WC6, WC9, C5. We offer ODM service for custom size and pressure ratings. Welcome to get the wholesale price. - [Fleyenda QT Series Electric Actuator](https://www.fleyendavalve.com/product/actuator/electric-actuator/qt-series-onoff-regulating-intelligent-ip68-ex/): The QT Series ON/OFF, Regulating, Intelligent, IP68, EX actuator combines an IP68 and Ex d IIB T4 housing with stable torque output to ensure precise valve control in harsh or hazardous environments, delivering reliable operation supported by its 50–3000 Nm range, ISO 5211 mounting, and 4–20 mA/Modbus compatibility. - [F-ZSQP Piston Type Cut-off Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/piston-type-cut-off-valve/): The Piston Type Cut-off Valve uses a precision piston actuator for accurate flow isolation and stable pressure control, ensuring zero leakage under high temperature and pressure, proven by API 598 and ISO 10497 test standards. - [F-ZJHF Pneumatic Lined Control Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/lined-control-valve/): The Lined Control Valve with PTFE/PFA lining delivers precise flow control and corrosion resistance in acidic and alkaline systems, ensuring leak-free operation, extended service life, and verified reliability under API 598 and IEC 60534 standards. - [F-ZJHS Pneumatic Angle Control Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/reliable-angle-type-control-valve/): The Angle Control Valve uses a 90° flow path to reduce turbulence and cavitation, providing precise flow control, lower erosion, longer service life, and verified performance under IEC 60534 and API 598 standards. - [FLE-ZZYP self-operated pressure control valve](https://www.fleyendavalve.com/product/actuated-control-valve/electric-actuated-control-valve/self-operated-pressure-control-valve/): The Self-Operated Pressure Control Valve uses a self-driven diaphragm to control pressure without external power, ensuring stable flow and efficiency for steam, gas, and liquid systems, reducing maintenance costs, and offering reliability under 6.4 MPa and 350 °C with API 598 and ISO 9001 certification. - [F-ZJHM Stainless Steel Sleeve Control Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/industrial-valves-stainless-steel-sleeve-control-valve/): Stainless Steel Sleeve Control Valve uses a cage-guided sleeve trim to stabilize flow and reduce noise under high pressure; its CF8M stainless steel body resists corrosion and extends service life; this design improves accuracy, lowers cavitation, and cuts maintenance costs, verified by IEC 60534 and API 598 testing for reliability and leak-tightness. - [QT-D-SH Motorized Stainless Steel Hard-Seated Butterfly Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/motorized-stainless-steel-hard-seated-butterfly-valve/): The Motorized Stainless Steel Hard-Seated Butterfly Valve features a metal-to-metal seal for zero leakage under high pressure and temperature, providing corrosion resistance, precise flow control, and long service life—proven by 100,000-cycle testing and API 609, API 598, CE certification. - [QT-D-CEW Motorized Cast Iron EPDM Butterfly Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/motorized-cast-iron-epdm-butterfly-valve/): The Motorized Cast Iron EPDM Butterfly Valve combines a cast iron body, EPDM seat, and electric actuator for precise flow control, ensuring leak-free operation, corrosion resistance, and long service life, verified by PN16 pressure tests and CE, RoHS, ISO 9001 certifications. - [QT-D-SEW Motorized Stainless Steel EPDM Butterfly Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/motorized-stainless-steel-epdm-butterfly-valve/): The Motorized Stainless Steel EPDM Butterfly Valve combines a stainless-steel body and EPDM seat for corrosion resistance and tight sealing, ensuring precise automated flow control, longer service life, and verified reliability under API 598 and EN 12266-1 standards. - [FAT-Q-3PS Pneumatic 3-Piece Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/pneumatic-3-piece-ball-valve/): The Pneumatic 3-Piece Ball Valve uses a stainless-steel three-body design for zero leakage and easy in-line maintenance, ensuring reliable flow control, reduced downtime, and lower costs, proven by ISO 5211 mounting, API 598 pressure tests, and API 607 fire-safe certification under 6.4 MPa and 250 °C conditions. - [QT-VQ-F2 Way Electric Actuator V Type Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/2-way-electric-actuator-v-type-ball-valve/): The 2 Way Electric Actuator V Type Ball Valve uses a V-notch ball for precise linear flow control and tight shutoff, improving flow stability, reducing pressure loss, and extending service life, verified by API 598 and ISO 5211 testing for reliable industrial performance. - [QT-Q-TF Electric Actuator 3 Way Flange Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-actuator-3-way-flange-ball-valve/): The Electric Actuator 3 Way Flange Ball Valve combines a full-bore flanged body and high-torque electric drive for precise flow diversion or mixing, providing stable control under 40 bar and 180 °C, verified by API 598, ISO 5211, and CE certifications. - [QT-Q-P 2-Way UPVC Electric Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/2-way-upvc-electric-ball-valve/): The 2-Way UPVC Electric Ball Valve uses a corrosion-resistant UPVC body and electric actuator to ensure precise, leak-free control of acids, alkalis, and saline water, extending service life and reducing maintenance—validated by EN 12266-1 testing and CE / RoHS certification. - [QT-Q-F Electric 2 Way Flange Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-2-way-flange-ball-valve-2/): The Electric 2 Way Flange Ball Valve uses a precision stainless steel body and electric quarter-turn actuator for high torque and zero-leak sealing, ensuring stable flow in high-pressure pipelines and reliable automated control, verified by 100,000+ cycle tests, IP68 protection, and API 607 fire-safe certification. - [FLE-Q-TG3 Way Threaded High Pressure Electric Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/3-way-threaded-high-pressure-electric-ball-valve/): The 3 Way Threaded High Pressure Electric Ball Valve features a durable stainless-steel T/L-port design rated up to 1000 PSI, delivering accurate flow control and leak-free operation under high pressure. It ensures dependable automation, extended service life, and proven quality backed by API 598 testing and CE/ISO 9001 certification. - [FLE-Q-2PS Female Thread Electric Actuator Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/female-thread-electric-actuator-ball-valve/): The Female Thread Electric Actuator Ball Valve combines precision threading with automated torque control, ensuring leak-free operation in compact pipeline systems; tested to 100,000 cycles under 1.6 MPa, it delivers reliable flow regulation for water, air, and chemical processes. - [Testing---DIN GB Flange Electric PTFE Fluorine-Lined Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/testing-din-gb-flange-electric-ptfe-fluorine-lined-ball-valve/): Fleyenda Two-Way PTFE Fluorine-Lined Ball Valve: 1.Standards: Available in GB, DIN, ANSI, and JIS specifications. 2.Lining Material: The valve body is lined with imported fluorine material (PTFE), providing excellent corrosion resistance and wear resistance. 3.Design Features: -Compact valve body structure with minimal internal gaps. -Effectively reduces material accumulation. -Prevents crystallization or deposits from affecting the sealing performance. - [F-ZJHN Pneumatic Double-seat Control Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/industrial-double-seat-control-valve/): The Double-Seat Control Valve features a balanced dual-plug design that reduces actuator force and pressure imbalance, ensuring precise flow control under high differential pressure, improving stability and service life in steam, chemical, and gas systems, verified by IEC 60534 and API 598 leakage tests ≤ 0.01 % Cv. - [F-ZJHP Single Seat Control Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/single-seat-control-valve/): The Single Seat Control Valve uses a precision single-plug design for accurate flow control and tight shut-off, improving process stability and reducing energy loss; made of corrosion-resistant stainless steel and tested to API 598 and IEC 60534, it ensures reliable operation in chemical, steam, and water systems. - [F-ZJHQ Diaphragm 3-way Control Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/diaphragm-3-way-control-valve/): The Diaphragm 3-Way Control Valve uses a pneumatic actuator and three-port body for precise flow control and zero leakage, ensuring efficient mixing or diverting in corrosive or high-temperature systems; its stainless-steel body with PTFE or EPDM diaphragm - [Fleyenda Pneumatic Sleeve Actuator](https://www.fleyendavalve.com/product/actuator/pneumatic-actuator/fleyenda-pneumatic-sleeve-actuator/): Fleyenda Pneumatic Sleeve Actuator is designed for precise and reliable control in demanding process automation systems. Built with advanced sleeve valve technology, it ensures stable operation, accurate flow regulation, and minimal leakage across a wide range of fluids and process conditions. Compact in size yet powerful in performance, this actuator features a multi-spring diaphragm design for smooth response, reduced installation height, and enhanced flow efficiency. Its robust construction, compatibility with various flange standards, and compliance with IEC international standards. - [Fleyenda Z Series Multi-turn Electric Actuator](https://www.fleyendavalve.com/product/actuator/electric-actuator/multi-turn-onoff-actuator/): The Multi-turn ON/OFF, Regulating, Intelligent, IP68, EX actuator delivers high-torque multi-turn control with precise positioning and stable modulation, helping users operate gate and globe valves reliably in harsh or hazardous areas while reducing downtime, backed by IP68 protection, EX d IIB T4/T6 safety, and a proven 50–3000 Nm torque range. - [Fleyenda AT Series Pneumatic Actuator](https://www.fleyendavalve.com/product/actuator/pneumatic-actuator/fleyenda-at-series-pneumatic-actuator/): The Fleyenda AT Series Pneumatic Actuator delivers precise and fast valve automation with a dual-piston rack-and-pinion design. It supports double-acting and single-acting (spring return) modes, offers adjustable rotation angles, and complies with ISO5211, DIN3337, and NAMUR standards. Ideal for driving ball valves and butterfly valves in industrial, HVAC, and water treatment applications. - [Fleyenda FLE Series Electric Actuator](https://www.fleyendavalve.com/product/actuator/electric-actuator/fleyenda-electric-actuator/): Fleyenda FLE series electric actuators provide precise 0–90° control for butterfly, ball, and damper valves. Available in ON/OFF, regulating, and intelligent types, they deliver high torque up to 4000 Nm and support AC/DC power with 4–20mA or 0–10V control signals. Optional features include IP68 protection, explosion-proof design, and power-off reset, ensuring reliable and efficient valve operation. - [Fleyenda AW Series Pneumatic Actuator](https://www.fleyendavalve.com/product/actuator/pneumatic-actuator/aw-double-acting-single-acting-fc-fo-actuatorv/): The AW Double Acting / Single Acting (FC, FO) actuator uses a scotch-yoke mechanism, delivers high break torque with fail-safe positioning, ensures stable quarter-turn valve control in critical process lines, and is verified through ISO/VDI performance standards. - [FAW-D-F AW Pneumatic Hard-Seated Flanged Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/faw-d-f-aw-pneumatic-hard-seated-flanged-butterfly-valve/): The FAW-D-F AW Pneumatic Hard-Seated Flanged Butterfly Valve combines a robust triple-eccentric hard-seated design with the high-performance AW pneumatic actuator. Engineered for industrial pipelines, this valve delivers precise ON/OFF and modulating control while maintaining zero leakage even under high pressure and temperature conditions. Its flanged design allows for secure installation in pipelines ranging from DN50 to DN2000. Constructed from durable cast steel, stainless steel, or special alloy materials, with PTFE or flexible graphite seats, the valve ensures long-term reliability and resistance to wear and corrosion. Optional accessories, including limit switches and electric/pneumatic positioners, enable remote monitoring and automated flow control for demanding industrial applications. - [FAW-D-PF AW Pneumatic PTFE Fluorine Lining Flanged Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/faw-d-pf-aw-pneumatic-ptfe-fluorine-lining-flanged-butterfly-valve/): The FAW-D-PF AW Pneumatic PTFE Fluorine Lining Flanged Butterfly Valve combines robust AW pneumatic actuator performance with a high-quality PTFE-lined valve body. Designed for industrial automation, this valve provides reliable ON/OFF and modulating control in corrosive and demanding environments. Its flanged connection allows for easy installation in pipelines ranging from DN50 to DN1400, while the PTFE lining ensures chemical resistance and minimal leakage. The valve features durable stem and disc materials, making it suitable for high-temperature and high-pressure applications. Optional accessories, including limit switches and positioners, enable precise remote monitoring and control. - [FAT-D-PP Pneumatic UPVC Plastic Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/pneumatic-upvc-plastic-butterfly-valve/): The Pneumatic UPVC Plastic Butterfly Valve features a corrosion-resistant UPVC body and actuator for leak-free control in chemical and water systems, reducing maintenance and extending service life by 30% under ISO 5208 and CE tests. - [FAT-D-SH Pneumatic Stainless Steel Hard-Seated Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/pneumatic-stainless-steel-hard-seated-butterfly-valve/): The Pneumatic Stainless Steel Hard-Seated Butterfly Valve uses a metal seat for tight sealing in high temperature and pressure, ensuring long life, low maintenance, and API 609 and API 607 fire-safe certified reliability. - [FLE-D-PP Electric Plastic UPVC Butterfly Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/industrial-valves-electric-plastic-upvc-butterfly-valve/): The Electric Plastic UPVC Butterfly Valve features a corrosion-resistant UPVC body and electric actuator, delivering precise flow control and long-term stability in chemical and water systems, reducing maintenance by 40% and verified by ISO 9393 and CE standards. - [FLE-Q-3PS Electric Actuated 3 Pieces Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-actuated-3-pieces-ball-valve/): Fleyenda FLE-Q-3PS Electric Actuated 3 Pieces Ball Valve features an integrated design, compact size, and lightweight structure. Operated by 4-20mA, 0-10V, or 1-5V signals, as well as single-phase power supply, it ensures reliable performance, easy actuator matching, and large flow capacity. Ideal for cost-effective industrial automation and precise fluid control. - [FAT-D-CF Pneumatic Stainless Steel Flanged PTFE Fluorine Lining Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/pneumatic-stainless-steel-flanged-ptfe-butterfly-valve-2/): The Pneumatic Stainless Steel Flanged PTFE Fluorine Lining Butterfly Valve features a PTFE-lined stainless-steel body for strong corrosion resistance and tight sealing, ensuring long service life and low maintenance, verified by API 598 and EN 12266-1 standards. - [FAT-D-CEF Pneumatic Stainless Steel Flanged PTFE Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/pneumatic-stainless-steel-flanged-ptfe-butterfly-valve/): The Pneumatic Stainless Steel Flanged PTFE Butterfly Valve has a Teflon-lined stainless body for corrosion resistance, ensuring tight sealing and long service life, helping users reduce maintenance and downtime, proven by API 609 / EN 12266-1 tests and CE, ISO 9001 certifications. - [FAT-D-SFW Pneumatic Stainless Steel Wafer PTFE Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/pneumatic-stainless-steel-wafer-ptfe-butterfly-valve/): The Pneumatic Stainless Steel Wafer PTFE Butterfly Valve features a stainless-steel body and PTFE-lined seat for strong corrosion resistance, providing tight sealing and reliable pneumatic control in chemical and marine systems, proven by ISO 5211 and API 598 test standards. - [FAT-D-CEW Pneumatic Cast Iron Wafer EPDM Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/pneumatic-cast-iron-wafer-epdm-butterfly-valve/): The Pneumatic Cast Iron Wafer EPDM Butterfly Valve features a corrosion-resistant EPDM liner and high-torque pneumatic actuator, providing precise shut-off, stable flow control, and minimal leakage in water, air, and chemical systems, proven by API 598 and EN 12266-1 testing for durability and sealing reliability. - [FAT-D-CFW Pneumatic Cast Iron Wafer PTFE Butterfly Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-butterfly-valve/pneumatic-cast-iron-wafer-ptfe-butterfly-valve/): The Pneumatic Cast Iron Wafer PTFE Butterfly Valve features a PTFE-lined seal for corrosion resistance and tight shutoff, ensuring reliable operation in chemical and wastewater systems, while its pneumatic actuator enables precise flow control and reduced maintenance—tested to API 598 and EN 12266-1 for zero-leak performance under 16 bar. - [FAW-Q Pneumatic AW Trunnion Mounted Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-aw-trunnion-mounted-ball-valve/): The Pneumatic AW Trunnion Mounted Ball Valve uses a trunnion-supported ball and air actuator to reduce torque and prevent leakage, ensuring stable flow control in high-pressure pipelines with API 6D and ISO 5211 certified reliability. - [FAT-Q-TG Pneumatic High-Pressure 3-Ways Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-high-pressure-3-way-ball-valve/): The Pneumatic High-Pressure 3-Way Ball Valve features a stainless steel body and reinforced seal, ensuring leak-free control up to 1000 PSI; it provides reliable flow diversion or mixing in oil, gas, and chemical systems, reducing maintenance costs and downtime—verified by ISO 5211, API 598, and API 607 certifications. - [FAT-Q-3S Pneumatic 3-Way Tri-Clamp Sanitary Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-3-way-tri-clamp-sanitary-ball-valve/): The Pneumatic 3-Way Tri-Clamp Sanitary Ball Valve features a 316L stainless steel polished body and pneumatic actuation for precise T/L-port flow control, enhancing hygiene and efficiency; its full-bore design minimizes residue, shortens cleaning by 40%, and ensures leak-free performance per EN 12266-1 / API 598. - [FAT-Q-PD Pneumatic Plastic 3-Way Double Union Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-plastic-3-way-double-union-ball-valve/): The Pneumatic Plastic 3-Way Double Union Ball Valve features a corrosion-resistant UPVC/CPVC body and 3-port design, ensuring precise flow control, leak-free operation, and long service life—validated by ISO 5211 mounting, PTFE seals rated to 16 bar, and 100,000 cycle durability tests. - [FAT-Q-B Pneumatic Thin Type Wafer Ball Valves](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-thin-type-wafer-ball-valve/): The Pneumatic Thin Type Wafer Ball Valve features a compact stainless-steel wafer body for space-saving installation and full-bore flow, providing fast pneumatic actuation with precise control, leak-free sealing, and verified durability through API 598 and ISO 5211 - [FAT-Q-TF 3 Way Flange Stainless Steel Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/3-way-flange-stainless-steel-ball-valve/): The 3 Way Flange Stainless Steel Ball Valve uses a CF8M body and PTFE seats for corrosion resistance and tight sealing, offers precise flow diversion or mixing with a pneumatic actuator, and is proven by 100,000-cycle durability tests under PN63 pressure and 180 °C. - [FAT-VQ-F Pneumatic V-Port Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-v-port-ball-valve/): The Pneumatic V-Port Ball Valve uses a V-shaped ball for precise flow control, ensuring accurate modulation, lower pressure loss, and 30% higher control efficiency, verified by ISO 5211 and API 598 standards. - [FAT-Q-F Pneumatic Carbon Steel Fluorine Lining Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-carbon-steel-fluorine-lining-ball-valve/): The Pneumatic Carbon Steel Fluorine Lining Ball Valve with PTFE/PFA lining offers strong acid and alkali resistance, ensuring reliable sealing and long service life in corrosive pipelines, verified by API 598 and GB 13927 pressure tests for proven durability and stability. - [FAT-Q-S Pneumatic 2-Way Tri-Clamp Sanitary Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-2-way-tri-clamp-sanitary-ball-valve/): The Pneumatic 2-Way Tri-Clamp Sanitary Ball Valve uses a 316L stainless-steel full-bore body with polished interior for clean, residue-free flow, ensuring hygienic operation and easy CIP/SIP cleaning, with an IP65 pneumatic actuator tested for 100,000 cycles under EN 12266-1 and certified to 3A, FDA, and ISO 9001 standards. - [FAT-Q-G Pneumatic High-Pressure 2-Ways Ball Valves](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-high-pressure-2-way-ball-valve/): The Pneumatic High-Pressure 2-Way Ball Valve uses a stainless-steel body and rack-and-pinion actuator for reliable shut-off under 1000 PSI, delivering fast automation and safe flow control—tested to API 598 and certified CE / RoHS / ISO 9001 for proven performance. - [FAT-Q-PF Pneumatic Plastic 2-Way Flanged Ball Valves](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-plastic-2-way-flanged-ball-valve/): The Pneumatic Plastic 2-Way Flanged Ball Valve uses a corrosion-resistant UPVC/CPVC body with an ISO 5211 pneumatic actuator, providing reliable flow control in chemical and water systems, ensuring long service life and zero leakage verified by EN 12266-1 and ISO 5208 tests at 10 bar. - [FAT-Q-P Pneumatic Plastic 2-Way Double Union Ball Valves](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/pneumatic-plastic-2-way-double-union-ball-valve/): The Pneumatic Plastic 2-Way Double Union Ball Valve features a corrosion-resistant UPVC body and double-union design for fast installation and maintenance, providing reliable automated flow control in chemical and water systems; ISO 9393 and CE testing verify its sealing performance and durability. - [FLE-D-CFW Electric Cast Iron Wafer PTFE Butterfly Valves](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/electric-cast-iron-wafer-ptfe-butterfly-valves/): Fleyenda Electric Cast Iron Wafer PTFE Butterfly Valve is designed with a fluorine-based PTFE soft sealing lining that provides excellent chemical resistance and reliable leakage prevention. The tight seal between the disc and lining ensures stable performance even under high pressure. Available in sizes DN50–DN600, the valve body can be made of cast iron, CF8, CF8M, or carbon steel, with discs in cast iron or stainless steel. - [QT-Q-3PS 3 Pieces Electric Actuated Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/3-pieces-electric-actuated-ball-valve/): The 3 Pieces Electric Actuated Ball Valve features a stainless-steel three-piece body and high-torque electric actuator, providing precise 0–90° control, easy maintenance, and reliable performance proven by 100,000 cycles under API 598 and ISO 5211 standards. - [FLE-Q-3S 3-Way Tri-Clamp Sanitary Electric Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/3-way-tri-clamp-sanitary-electric-ball-valve/): The 3-Way Tri-Clamp Sanitary Electric Ball Valve features an SS316L body with cavity-filled PTFE seats for full CIP/SIP cleanability, ensuring hygienic flow control and fast maintenance; certified to 3A, FDA, and ISO 9001 and tested under EN 12266-1 and API 598 for proven leak-free performance. - [FLE-Q-PD Electric 3-Way UPVC Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-3-way-upvc-ball-valve/): The Electric 3-Way UPVC Ball Valve combines a corrosion-resistant UPVC body and electric actuator for precise L- or T-port flow control, ensuring reliable chemical compatibility, leak-free operation, and long service life verified by CE, RoHS, and ISO9001 certifications. - [FLE-VQ-F Motorized V-Port Segmented Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/motorized-v-port-segmented-ball-valve/): Fleyenda FLE-VQ-F Motorized V-Port Segmented Ball Valves combine the accuracy of flow control with the durability of a ball valve design. Featuring integrated V-notch ports for enhanced flow characteristics, these valves minimize seat wear and deliver stable performance. Available with 15°, 30°, 60°, and 90° V-port options, they cover a wide control range from fine regulation to high Cv applications. Constructed from stainless steel 304/316/316L with PTFE sealing, sizes range from 1″ to 8″ (DN25–DN200). Operating pressure is 10–16 bar, with a temperature range of -10°C to 180°C, making them ideal for water, chemical, and industrial process control. - [FLE-Q-TF Electric 3 Way Flange Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-3-way-flange-ball-valve/): The Electric 3 Way Flange Ball Valve features an L/T-port full-bore design with electric actuation, providing precise flow diversion or mixing with zero leakage; its stainless-steel body, PTFE seats, and IP68 actuator ensure long service life, verified by 100,000 cycles and certified to API 598 and CE standards. - [FLE-Q-F Fluorine Lining Motorized Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/fluorine-lining-motorized-ball-valve/): Fleyenda FLE-Q-F Fluorine Lining Motorized Ball Valve is a two-way PTFE-lined valve built to GB, DIN, ANSI, and JIS standards. Its compact body design with minimal gaps reduces material buildup and crystallization, ensuring reliable sealing. Made with imported fluorine material and stainless or carbon steel body, it provides excellent corrosion and wear resistance. Suitable for highly corrosive media such as alkali salts, sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, and oxidative chemicals. Size range: 1/2”–4”, temperature -10°C to 180°C, operating pressure up to 16 bar. - [FLE-D-SS Electric Sanitary Quick-Clamp Butterfly Valves](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/electric-sanitary-quick-clamp-butterfly-valve/): The Electric Sanitary Quick-Clamp Butterfly Valve features a 316L stainless-steel body and tri-clamp design, ensuring quick cleaning, easy maintenance, and precise control, backed by CE, FDA, RoHS, and EN 12266-1 certification. - [FLE-D-SFW Electric Stainless Steel Wafer PTFE Butterfly Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/electric-stainless-steel-wafer-ptfe-butterfly-valve/): The FLE-D-SFW Electric Stainless Steel Wafer PTFE Butterfly Valve features a stainless-steel body and full PTFE lining for strong chemical resistance, ensuring leak-free control of corrosive fluids and reducing maintenance costs by over 40%, backed by ISO 9001, CE, and IP67 certifications. - [FLE-Q-S 2-Way Tri-Clamp Sanitary Electric Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/2-way-tri-clamp-sanitary-electric-ball-valve/): Fleyenda FLE-Q-S 2-Way Tri-Clamp Sanitary Electric Ball Valve is designed for hygienic applications with stainless steel 304/316L and PTFE or silicone sealing. Available in sizes 1/2”–4”, it supports 4-20mA or 0-10VDC modulating control, with multi-voltage options (DC12/24V, AC24/110/220/380V). Built to ANSI, DIN, JIS, and GB standards, it ensures reliable automation in biopharmaceutical, food and beverage, dairy, and pure water systems. Operating range: -10°C to 180°C, pressure up to 10 bar. - [FLE-D-CEW Electric Cast Iron Wafer EPDM Butterfly Valves](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/electric-cast-iron-wafer-epdm-butterfly-valve/): The Electric Cast Iron Wafer EPDM Butterfly Valve features a durable cast iron body, EPDM seat, and precise electric actuator, ensuring tight sealing and stable torque control for water, HVAC, and chemical systems, verified by ISO and CE certification - [FLE-D-CEF Intelligent Electric Cast Iron Flanged EPDM Butterfly Valves](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/electric-cast-iron-flanged-epdm-butterfly-valve/): The Electric Cast Iron Flanged EPDM Butterfly Valve features a durable cast iron body, EPDM seat, and electric actuator for precise flow control and tight sealing under PN10/PN16 pressure, ensuring reduced leakage, lower maintenance, and verified reliability through CE and ISO 9001 standards. - [FLE-D-CF Smart Electric Cast Iron Fluorine Lining Butterfly Valves](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/electric-cast-iron-flanged-fluorine-lining-butterfly-valve/): The Electric Cast Iron Flanged Fluorine Lining Butterfly Valve features a full PTFE lining for strong acid and alkali resistance, ensuring precise automated flow control and reliable sealing in corrosive systems, reducing maintenance costs and downtime while meeting API 609 and EN 12266-1 standards. - [FLE-D-SH Electric Stainless Steel Hard-Seated Butterfly Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-butterfly-valve/electric-stainless-steel-hard-seated-valve/): The Electric Stainless Steel Hard-Seated Butterfly Valve with a metal-to-metal seal and CF8M body delivers corrosion, wear, and heat resistance, ensuring tight shutoff in steam, oil, and chemical systems up to 300°C and PN25, backed by API 609, EN 593, and ISO 9001 for reliable automated flow control. - [FLE-Q-F Electric 2 Way Flange Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-2-way-flange-ball-valve/): • Electric 2 Way Flange Ball Valve features a stainless-steel full-bore design with an ISO 5211 electric actuator, ensuring precise 0–90° control, zero leakage, and automation efficiency; tested to API 598 and API 607, it operates from –20 °C to 180 °C under PN40 pressure, guaranteeing long-term reliability and safety. - [FLE-AT-Q 2-Way PVC Flange Pneumatic Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/fle-at-q-2-way-pvc-flange-pneumatic-ball-valve/): PVC, CPVC plastic pneumatic ball valves are light in weight, have excellent corrosion resistance, are flexible in rotation and easy to use. They are suitable for shutting off the transportation process of corrosive media. It is suitable for many industries such as drainage and sewage pipeline systems, brine and seawater pipeline systems, acid-base and chemical solution systems, etc. - [FLE-AT-Q 2-Way PVC Double Union Pneumatic Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/fle-at-q-2-way-pvc-double-union-pneumatic-ball-valve/): Fleyenda Double Union Pneumatic PVC Ball Valve DN15 to DN200(1/2″ to 8″), Valve material: PVC/CPVC/PPG/PPHABS, Double union connection. Easy maintenance without cutting pipes. PVC (Polyvinyl Chloride) is excellent corrosion resistance. This design feature reduces friction and turbulence, allowing for efficient flow and minimizing the risk of pressure drops. - [FLE-Q-G 2 Way Threaded High Pressure Electric Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/2-way-threaded-high-pressure-electric-ball-valve/): The 2 Way Threaded High Pressure Electric Ball Valve features a 316 stainless steel body and precision threaded ISO 7-1 ends, delivering strong corrosion resistance and reliable sealing under 400 bar pressure. This ensures stable, leak-free performance in demanding industrial systems, minimizing downtime and maintenance. - [FLE-Q-F PTFE Fluorine-Lined Electric Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/fle-q-f-ptfe-fluorine-lined-electric-ball-valve/): Fleyenda two-way PTFE fluorine-lined ball valve has GB/DIN/ANSI/JIS standards. The valve body is lined with imported fluorine material, which has good corrosion resistance and wear resistance. The valve body is compact in design and has small gaps, which effectively reduces the accumulation of materials and prevents the crystallization of accumulations from affecting the sealing effect. Suitable for highly corrosive media such as alkali salt, oxidative extrusion, sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, etc. - [FLE-Q-B Electric Italian Thin Type Wafer Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-italian-thin-type-wafer-ball-valve/): • Compact design saves space and reduces installation time • Low flow resistance improves efficiency and cuts energy use • Durable materials ensure reliable performance in tough conditions • Industry-certified for long-term reliability - [FLE-Q-P Electric 2-Way UPVC Ball Valve](https://www.fleyendavalve.com/product/electric-actuated-valve/electric-actuated-ball-valve/electric-2-way-upvc-ball-valve/): • Featuring a corrosion-resistant UPVC body and precision electric 2-way design, the FLE-Q-P Ball Valve ensures reliable flow control, minimizes leakage and downtime, and provides long-life performance proven in chemical, water, and automation systems. - [FLE-AT-FQ 2 Pieces Pneumatic Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/fleyenda-2-way-pneumatic-flange-ball-valve-gb-din-jis-ansi-standard/): Fleyenda pneumatic flange ball valve is manufactured according to specific standards, such as GB, DIN, JIS, or ANSI. The valve is designed with flanged ends, allowing easy installation and pipeline connection using bolts or screws. The direction of the 2-way flow control can be customized. - [FLE-AT-Q 3 Pcs Stainless Sreel Pneumatic Ball Valve](https://www.fleyendavalve.com/product/pneumatic-actuated-valve/pneumatic-actuator-ball-valve/fle-at-q-3-pcs-stainless-sreel-pneumatic-ball-valve/): The body casting of stainless steel sanitary pneumatic ball valve adopts advanced technology introduced from Taiwan. The valve seat adopts PTFE elastic sealing structure by default, which ensures reliable sealing and easy opening and closing. The valve stem adopts a bottom-mounted structure with an inverted seal. When the valve cavity is abnormally pressurized, the valve stem will not be impacted. A 90° switch positioning mechanism can be set up and locked as needed to prevent misoperation. Applicable to various pipelines with PN1.0～4.0MPa and working temperature -29～180℃. Suitable for water, steam, oil, nitric acid, acetic acid, ammonia salt water, neutralized water and other media. - [Fleyenda Self Actuating Pressure Control Valve](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/fleyenda-self-actuating-pressure-control-valve/): We offer self-operated pressure, differential pressure, and flow-regulating valves three series self actuating pressure control valve. Pressure regulator type and pressure relief type are available. The self-operated pressure regulating valve does not need additional energy and can work in a situation without electricity and gas, which is convenient and energy-saving. The pressure balance mechanism is adopted to make the regulating valve sensitive and accurate to control. - [Fleyenda CF8 CF8M Pneumatic Control Valves](https://www.fleyendavalve.com/product/actuated-control-valve/pneumatic-actuated-control-valve/cf8-cf8m-pneumatic-control-valves/): The pneumatic control valve is composed of an actuator and an adjustment mechanism The actuator is the thrust component of the adjustment valve. The valve body is the regulating component of the pneumatic regulating valve It directly contacts the regulating medium to regulate the flow, pressure, temperature and other process parameters of the fluid. Without additional explosion-proof measures. Application: petroleum, chemical, electric power, metallurgy, etc. [comment]: # (Generated by Hostinger Tools Plugin)