Gate valve

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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251/73

F16K 3/02 (2006.01) F16K 3/20 (2006.01)

Patent

CA 1172617

ABSTRACT Gate valve having a secondary seal, wherein the gate forms a metal to metal seal with the seat and wherein a resilient seal is moved toward the gate when the gate is in closed position to form a secondary fluid-tight seal with the gate, whereby leakage past the gate is effectively prevented.

396418

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