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SS Pneumatic knife gate valve

The Pneumatic Knife Gate Valve is a heavy duty unit with cast body, knife gate, stuffing box with packing and oversized air cylinder or manual hand crank.

Features :

1.Heavy Duty Cast Construction

2.Stainless Steel Construction

3.Thick beveled edge knife plate

4.Resilient rubber seats seal against pressure and vacuum

5.Pneumatic or manual actuation

6.Oversized air cylinder for pneumatic units

What is the working principle of knife gate valve?

A knife gate valve works by allowing thick media to easily flow over soft seals with no interference. They work by chopping up the media as it passes through the valve.

Application:

such as granules, powder and slurry,(syrup,pulp,coal slurry)ash slag water mixture, etc.

product description:

Size:DN50-DN1000

Type:wafer

Valve body:SS304

Valve Seat:EPDM

Valve disc:SS304

Shaft:SS304

Pressure:PN10/PN16

Actuator: Pneumatic

Optional:

valve body:DI/WCB/CF8/CF8M

Valve seat:EPDM/SS/Hard alloy/PTFE

Valve disc:201/304/316

Valve shaft:2Cr13/304/316

Actuator::handwheel/electric/pneumatic/bevel gear/chain wheel/electric hydraulic/hydraulic

Executive standard:

Design and manufacture:JB/T 8691

Face to face length:GB/T 12221

Pressure test:GB/T 13927

Product Inventory:

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Installation instructions:

1.Before installing the knife gate valve, check the valve cavity and sealing surface, and no dirt or sand particles are allowed to adhere.

2.The bolts of each connecting part shall be tightened evenly.

3.Check the packing position to ensure the tightness of the packing and the flexible opening of the ram.

4.Before installing the valve, the user must check the valve model, connection size and medium flow direction to ensure the consistency with the valve requirements.

5.When installing the valve, the user must reserve the necessary space for valve driving.

6.The wiring of driving device shall be carried out according to the circuit diagram.

7.The knife gate valve must be maintained regularly, and it is not allowed to collide and squeeze at will, so as not to affect the sealing.

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