FREE-VALVE’s Pneumatic Operation Square Port Frame Knife Gate Valves is a kind of valve which uses the square board as the opening and closing element and moves up and down with the board to realize full opening and full closing.The  square knife gate valve is mainly used to cut off medium in the pipeline.The valve is widely used in power, hydraulic, petroleum, chemical, mining and other industries.

Features:

1) The same construction as standard knife gate valve.

2) Body and gate disc in rectangular valve shape.

3) Same actuators and accessories as standard.

4) Rising stem tight model.

5) Square flange ends

Technical Specification:

1. Size Range:DN200xDN200.......DN1200xDN1200

2. Pressure Range: Class 150 /PN6 /PN10

3. Applicable Temperature: 0~120℃

4. Connection Type: Square flange

5. Sealing material: Rubber,Metal seal 

6. Body Material: Carbon steel,stainless steel

7. Disc material:Stainless steel,carbon steel

Operating Mode: Pneumatic

Application:

FREE-VALVE’s Pneumatic Operation Square Port Frame Knife Gate Valves is a powder, grain materials, small particle materials and the flow of materials or delivery of the main control equipment ,it was widely used in metallurgical, mining, building materials, food, chemical and other industries control the rapid flow of change or cut off.