Wire cutting insert for gate valve

Details Wire cutting insert for gate valve Wire cutting insert for gate valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 3/30 (2006.01) E21B 29/08 (2006.01) E21B 34/02 (2006.01) F16K 3/02 (2006.01) F16K 51/00 (2006.01)

Patent

CA 2141005

A gate valve assembly for controlling fluid flow is provided with wireline-cutting inserts loose-fitted in either of, or both of, the gate opening and at least one of the seats. Each insert has a length that prohibits it from extending beyond the opening in which it is received so that the contact surface between the gate and an adjacent seat forms a continuous seal and the inserts serve only a wireline-cutting function, thus eliminating the possibility of sealing surfaces being damaged by wireline-cutting.

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