Valve assembly

Details Valve assembly Valve assembly

1994-04-21

1995-05-16

Fox, John C.

Valves and valve actuation

Reciprocating valve

Gate

251 31, F16K 300

Patent

active

054153786

ABSTRACT:
A valve assembly comprising a tubular member (2) having an axial bore (4) which is selectively opened and closed by a gate valve. The gate valve includes a sliding gate (5), a first actuating stem (9,27) engagable with one side of the gate and a second actuating stem on the opposite side of the gate and also engagable with the gate. The actuating stems can move the gate between open and closed positions, and an intermediate position in which the gate can be run into and withdrawn from a support with the tubular member.

REFERENCES:
patent: 4010928 (1977-03-01), Smith
patent: 4572298 (1986-02-01), Weston

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