Emergency override with hermetic seal

Details Emergency override with hermetic seal Emergency override with hermetic seal

1978-03-13

1980-05-06

Schwadron, Martin P.

Fluid handling

Destructible or deformable element controlled

Destructible element

91510, 92 62, 92152, 251 634, F01B 700, F16K 31143

Patent

active

042012384

ABSTRACT:
A hydraulically actuated gate valve having a hermetically sealed piston head adapted to receive a remotely operable actuator for overriding the valve to open the gate.

REFERENCES:
patent: 3570804 (1971-03-01), Nelson et al.
patent: 3734455 (1973-05-01), Natho et al.
patent: 3889922 (1975-06-01), Peters

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