Knife Gate Valve
Lug Type Knife gate valve
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 Knife Gate Valve ( Lug Type) :
Wafer lug-type body
Beveled knife on metal or resilient seats
Rising stem and non-rising stem
Optional bolted bonnet design for non-leakage through packing chamber.
Applicable Standards of Lug Type 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 092, JIS B2220
d) Test : MSS SP-81
Sizes: 2 " - 48 " or DN 50 - DN 1200
Pressure Rating: Class150 or PN6 - PN16
Materials of valve body: WCB, LCB, WC6, CF8, CF3, CF8M, CF3M, 4A, etc.
Operation: Manual, Gear, Pneumatic, hydraulic and Electric actuator
Material Ex : Japan, China, Taiwan, Europe, USA.