Bi-directional Knife Gate Valve U-seal Non-rising Stem DN50-DN900

Bi-directional Knife Gate Valve U-seal Non-rising Stem Ductile Iron Cast Iron

Kolink 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