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Electric Multi-Turn Knife Gate Valve | FLE-Z30-KG

Electric Multi-Turn Knife Gate Valve | FLE-Z30-KG

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.

Technical Specifications

Size Range DN50 to DN500 (2”~ 20” Inch)
Body Material Cast Iron, Carbon Steel(WCB), Stainless Steel(CF8, CF8M)
Stem Material Stainless Steel(CF8, CF8M)
Seat Material PTFE, Nylon, PPL
O-Ring Material PTFE
Connection Type Flange (GB/ANSI/JIS/DIN)
Pressure Rating PN1.0
Temperature Of Medium -30°C~300°C (-86°F~572°F)
Electric Actuator On/Off, Regulation, Intelligent, Multi-Turn, Explosion-proof
Applications Mining, Wastewater Treatment, Pulp & Paper, Chemical Processing etc
Actuator Model Standard Time/Torque Optional Time/Torque Rotation Angle Range Actuator Weight Power Supply Optional Control Circuit
FLE-105 25S/50Nm 4S/20Nm
10S/30Nm
0-90° Adjustable 2.2kg DC24V
AC24V
AC110V
AC220V
AC380V
A type
B type
C type
D type
E type
F type
FLE-110 25S/100Nm 15S/50Nm 5.1kg
FLE-116 25S/160Nm 15S/80Nm 5.1kg
FLE-120 25S/200Nm 15S/100Nm 7.5kg
FLE-140 25S/400Nm 15S/200Nm 7.5kg
FLE-160 25S/600Nm 15S/300Nm 8.1kg
FLE-1100 50S/1000Nm 25S/500Nm 12.7kg
FLE-1200 50S/2000Nm 25S/1000Nm 12.7kg
Type ON/OFF, Regulating, Intelligent
Insulation Resistance 100MΩ/500VDC
Dielectric Strength 1500V AC 1min.
Level of Protection IP67 (IP68 optional)
Installed Location 360° Installation at any Angle
Electrical Interface 2-G1/2 Metal Fitting, the corresponding metal cable joints should be installed according to the selected cables
Ambient temperature -20°C to +60°C
Optional Explosion Proof Ex d II BT4 / CT4 / CT6 Gb
Power-loss reset (fail-safe) function Fail-open, Fail-closed or No-reset (factory-selectable)
Optional functions Overtorque protection, dehumidification heater, passive contact switch, operating handwheel

Product Benefits & Features

1. Reliable Cutting Performance for Solid-Laden Media
Knife gate structure ensures efficient cutting and shut-off of slurry, pulp, and particle-containing media
Designed for tight sealing and stable operation under on/off and frequent cycling conditions
Minimizes blockage and accumulation inside the pipeline system
Suitable for wastewater, mining, pulp & paper, and chemical industries

2. Multi-Turn Electric Actuation with Flexible Control
Equipped with multi-turn electric actuator for precise valve operation
Supports ON-OFF, regulating, and intelligent control modes
Compatible with standard industrial control signals (4–20 mA, 0–10 V, etc.)
Enables remote automation and integration with PLC/DCS systems

3. Robust Structure & Industrial Material Compatibility
Valve body available in cast iron, carbon steel (WCB), and stainless steel (CF8 / CF8M)
PTFE / EPDM sealing materials provide strong corrosion and temperature resistance
Designed for abrasive, high-viscosity, and corrosive media applications
Complies with GB / ANSI / DIN / JIS international standards

4. Compact Design & Low Maintenance Cost
Simple and compact structure reduces installation space and complexity
Low wear components improve long-term operational stability
Easy maintenance and disassembly reduce downtime
Extended service life with lower overall maintenance cost

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

Private Labeling, Material Selection, dimensions customized, Actuator Options, etc. We also offer fittings and piping for optional.
Fleyenda is committed to providing you with a one-stop service.

We have the IPQC and QC process. We regularly do pressure testing, leakage testing, material analysis, and performance testing. Fleyanda Valve holds ISO 9001, CE, and other certifications.
Fleyedna focuses on upgrading production facilities, testing facilities and focuses on innovation to provide customers with high-quality products in the industry.

Yes, We can help you choose the right valves for your needs. To do so, we would need some specific information from you.
-What is the application or industry which the valves will be used (e.g., oil and gas, water treatment, chemical processing)?
-What is the fluid or gas that will be flowing through the valves?
-What is the working pressure and temperature range for the valves?

And so on.

We have a large number of products in stock and can be ready within 7 days. Customized products require 30 days of lead time.

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