Valve seat mechanism

Details Valve seat mechanism Valve seat mechanism

1990-07-13

1991-07-09

Michalsky, Gerald A.

Valves and valve actuation

Reciprocating valve

Gate

251328, F16K 300

Patent

active

050298127

ABSTRACT:
A gate valve includes a gate cavity (18), a flowbore (14, 16) communicating with the gate cavity and a gate (20) for opening and closing flow through the flowbore. A valve seat (42) is provided on each side of the gate. Each valve seat (42) has inner and outer C-ring seals (52, 54) on its end surface for sealing against a body sealing surface (46). The seals are energized by an assembly which includes a disc spring (62) disposed around the valve seat (42).

REFERENCES:
patent: 3006599 (1961-10-01), Eckert
patent: 4629161 (1986-12-01), Jones et al.

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