End assembly for control valves

Details End assembly for control valves End assembly for control valves

1986-07-18

1987-08-25

Michalsky, Gerald A.

Valves and valve actuation

Fluid actuated or retarded

Piston type expansible chamber reciprocating valve actuator

13762566, 251 636, F15B 1304

Patent

active

046887547

ABSTRACT:
An end assembly for a control valve adapted for receiving fluid under pressure, comprising: a valve body having a central bore therethrough; a sleeve member at least partially inserted in one end of the valve body and having a first port therethrough, the port being in fluid communication with the obre in the valve body; a collar member rotatably mounted to the sleeve and having a second port therethrough, the second port being in fluid communication with a source of fluid under pressure and the first port through the sleeve member; and a cap sealing insertable within the sleeve.

REFERENCES:
patent: 2459643 (1949-01-01), Hartley
patent: 3323546 (1967-06-01), Lord
patent: 3877484 (1975-04-01), Theriot et al.
patent: 4121615 (1974-10-01), Bergeron

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