Pneumatic Square Knife Gate Valve for Water Systems
This knife gate valve features the same construction as a standard knife gate valve, but with a rectangular body and gate. It utilizes the same actuators and accessories as standard models and includes a rising stem tight model with square flange ends.




Technical Specifications
Product Overview
Industrial Pneumatic Square Knife Gate Valve
This pneumatic square knife gate valve is engineered for efficient flow control in demanding industrial environments. Featuring a robust square board design, it ensures reliable full-opening and full-closing capabilities for cutting off media in pipelines. Its pneumatic actuation allows for seamless integration into automated systems, making it an ideal solution for power, hydraulic, chemical, and mining applications.
Technical Specifications
Operating Temperature
- Size Range
- DN200xDN200 to DN1200xDN1200
- Pressure Class
- Class 150PN6PN10
Construction & Materials
Construction Materials
| Component | Material Options |
|---|---|
| Body | Carbon steel, Stainless steel |
| Disc | Stainless steel, Carbon steel |
| Sealing | Rubber, Metal |
Design Features
- Square flange ends
- Rising stem tight model
- Rectangular valve body and disc
- Standard actuator compatibility
Operational Data
Operating Mode
- Typical Applications
- PowerHydraulicPetroleumChemicalMiningWater TreatmentFood Processing
Commercial Details
- Model
- FRZ641H
- Lead Time
- 30 days



