FAT-VQ-F Pneumatic V-Port Ball Valve
FAT-VQ-F 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.
Technical Specifications
| Size Range | ½” – 8″ (DN15–DN200) |
| Working Pressure Range: | PN16–PN40 / 150–600 PSI |
| Working Temperature Range: | −20°C to +180°C |
| Body Material: | Stainless Steel CF8 / CF8M (AISI 304 / 316) |
| Connection Type: | Flanged (ANSI, DIN, JIS optional) |
| Applicable Medium: | Water, Steam, Air, Gas, Oil, Chemical, Pulp, Slurry |
| Actuator Type: | Double Acting or Spring Return Pneumatic Actuator |
| Voltage Options | 24V DC, 110V AC, 220V AC |
| Design Standard | ISO 5211, ASME B16.34 |
| Testing Standard | API 598 / EN12266-1 |
| Fire-Safe Design | API 607 / ISO 10497 compliant |
| Certification | CE / RoHS / ISO 9001 / IP65 (Actuator) |
| Customization | Above Are Standard Parameter Samples. If You Have Specific Parameters And Materials, We Can Customize Them All. |
Product Drawings
Comprehensive Technical Drawing (Dimensions & Structure)
Product Benefits & Features
1. Precision Flow Control Solutions
• Pneumatic V-port ball valve ensures precise throttling with a V-shaped ball for accurate flow modulation.
• High rangeability up to 300:1 provides stable control for liquids, gases, and steam.
• Smooth flow path reduces cavitation and vibration for consistent regulation.
• Ideal for industrial automation and proportional flow applications.
2. Durability & Operational Safety
• Stainless steel valve body and PTFE or metal seats resist corrosion and wear.
• Air-operated control valve delivers long life and low torque operation.
• Fire-safe and anti-blowout stem ensure safety under high temperature and pressure.
• Certified to API, ISO, and CE standards for reliable industrial use.
3. Energy Efficiency & Cost Optimization
• Air actuated control valve provides fast response with low air consumption.
• Compact ISO 5211 mounting simplifies installation and maintenance.
• Tight shut-off minimizes leakage, improving system efficiency.
• Long service life reduces total operating costs.
4. Intelligent Automation & Integration
• Compatible with positioner, solenoid, and limit switch for smart valve control.
• Supports 4–20 mA or digital signal for PLC/DCS communication.
• Available in double-acting or spring-return actuators.
• Modular design allows quick upgrade of pneumatic actuator ball valve systems.
Why Choose Fleyenda Valve Manufacturing
Product Stability
We use reinforced structures and precision sealing to ensure consistent performance under pressure and temperature changes.
Conpany&Product Certification
We have CE, RoHS, ISO, SIL, TUV, and IP68 waterproof certifications covering safety, quality, and environmental standards.
Projects Experience
Cooperated over 40 countries, we have experience in oil & gas, energy, water, chemicals, food & beverage, and automation.
Customization Capability
With 20 years experience, we turn complex working conditions into precise valve solutions with high speed and accuracy.
Aftersales Support
•We have technical team provides real-time video support to help customers resolve on-site issues quickly.
Customer Cases
Trusted by Shell plc, Petronas, Chevron, TotalEnergies, and Dupont in projects across 40+ countries.
Our Product Actual Export Pictures
FAQs That 80% Users Interest
1. When should I choose a Pneumatic V-Port Ball Valve instead of a standard control valve?
• The V-notch ball design delivers precise throttling and proportional flow control.
• Provides linear or equal-percentage flow characteristics for stable regulation of liquids and gases.
• The sharp V-edge minimizes clogging in slurry or fibrous media.
• Compact and fast-acting, suitable for automated process systems requiring accurate modulation.
2. What are the best practices for installing a Pneumatic V-Port Ball Valve in automation systems?
• Match the ISO 5211 mounting interface to ensure actuator compatibility.
• Connect the actuator to PLC or DCS with 4–20 mA or digital signals for precise control.
• Keep correct pipeline alignment and straight runs to reduce turbulence.
• Verify rangeability and leakage class before commissioning.
3. How does a V-Port Control Valve perform with abrasive or corrosive media?
• Stainless-steel body and reinforced seats resist corrosion and wear.
• Metal-seated ball options extend service life in high-pressure, high-velocity flow.
• Streamlined passage minimizes pressure loss and erosion.
• Fire-safe and anti-blowout stem designs enhance operational safety.
4. What maintenance steps keep a Pneumatic V-Port Ball Valve running efficiently?
• Check actuator air supply, feedback, and torque settings regularly.
• Clean the V-notch ball and seat to prevent buildup and sticking.
• Inspect seats for leakage and replace worn seals promptly.
• Keep spare actuator and positioner parts ready for quick servicing.



