Valve with means to block relative rotation of parts during asse

Details Valve with means to block relative rotation of parts during asse Valve with means to block relative rotation of parts during asse

1996-04-05

1998-03-03

Chambers, A. Michael

Valves and valve actuation

Hermetic flexible wall seal for actuator

Diaphragm

251266, 251270, F16K 3150

Patent

active

057226385

ABSTRACT:
A fluid valve that comprises a body forming a cavity and a cap on the body extending over the cavity, the cap and body carrying interengaging threads allowing rotary make-up of the cap on the body; a diaphragm in the cavity and seated on a ledge formed in the body, thereby to form a seal; a pressure-transmitting element in the cavity to transmit cap thrust to effectuate the seal; and blocking structure to block relative rotary movement between the pressure-transmitting element and the body.

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