Hydraulically operated self-closing two-way seat-type valve

Details Hydraulically operated self-closing two-way seat-type valve Hydraulically operated self-closing two-way seat-type valve

1986-07-15

1987-07-28

Michalsky, Gerald A.

Valves and valve actuation

Fluid actuated or retarded

Piston type expansible chamber reciprocating valve actuator

251 3005, 251 634, 251282, F16K 31122

Patent

active

046827560

ABSTRACT:
A hydraulically operated two-way seat type valve includes a housing a forming valve seat, and a locking body displaceable in the housing and cooperating with the valve seat. A cover is mounted on the housing. An actuating piston for actuating the locking body of the valve is guided in the cover. The piston has two opposing piston-shaped extensions one of which is secured to the locking body whereby a non self-closing valve can be switching into the self-closing valve.

REFERENCES:
patent: 3608859 (1971-09-01), Hetzer
Mannesmann Rexroth Catalog pp. 1-30.

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