Safe high pressure instrument valve

Details Safe high pressure instrument valve Safe high pressure instrument valve

1985-03-22

1986-11-18

Scott, Samuel

Valves and valve actuation

Mechanical movement actuator

Plural motions of valve

137315, F16K 3144

Patent

active

046231200

ABSTRACT:
A globe valve having a main body, a bonnet, and a stem is provided with a mechanism that prevents the bonnet from being inadvertently backed off the main body. The mechanism includes a lock held to the body so that the lock is incapable of rotating as the stem is rotated, and means for releasably engaging the bonnet to the lock. For example, the lock can have a plurality of teeth that engage corresponding teeth on the bonnet. A locking ring can be used to hold the stem in the bonnet.

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Mil-v-24578 (SH), Military Specification Valves, Globe, Pressure Instrument, Stem Test, Connection, Union End, Oct. 13, 1978.

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