Bi-directional Knife Gate Valve

Bi-directional Knife Gate Valve


ZC knife gate valves are available in various designs, one-piece body and two-piece bodies, rising stem and non-rising stem, uni-direction and bi-direction structures, resilient and metal seat rings, bonnetless and bolted bonnet designs. For optional designs, deflection cone could divert the flow of abrasive slurries and protect valve seat from abrasion, V port disc and through conduit design are used for throttling service, per customers' requirements.




Features of Bi-directional Knife gate valves:


Bi-directional design

Resilient seat

Wafer type cast iron body

Self-cleaning mechanism

Non-rising stem standard, rising stem optional

Plate yoke standard






Applicable Standards of Bi-directional Knife gate valves:

a) Design & Manufacture: MSS SP-61, ASME 16.34

b) Face to Face: MSS SP-81, ASME B16.10, EN 558

c) Connection End: ASME B16.5, EN 1092, JIS B2220

d) Test : MSS SP-81




Sizes: 2" - 36" or DN 50 - DN 900

Pressure Rating: Class150 or PN6 - PN16

Materials of valve body: GG25 / A126 B, GGG40 / A536 60-40-18, etc.

Operation: Manual, Gear, Pneumatic, hydraulic and Electric actuator

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Product Categories : Knife Gate Valve