Slide valve for closing a large pressurized gas conveying pipe

Details Slide valve for closing a large pressurized gas conveying pipe Slide valve for closing a large pressurized gas conveying pipe

1975-12-05

1977-04-19

Cline, William R.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251202, 251327, 251328, 138 943, F16K 320

Patent

active

040184200

ABSTRACT:
A housing, connectable to a pipe, has therein an opening, a chamber, a stationary sealing seat, and a movable sealing seat displaceable toward and away from the stationary sealing seat. A slide plate is movable from an open position, exterior of the housing, through the opening to a closed position between the sealing seats to block the pipe. A closing element closes the opening and seals the chamber when the slide plate is in the open position.

REFERENCES:
patent: 1868147 (1932-07-01), Kruse
patent: 2109042 (1938-02-01), Bennett et al.
patent: 3145969 (1964-08-01), Zweck
patent: 3557822 (1971-01-01), Chronistel
patent: 3559948 (1971-02-01), Grove
patent: 3665953 (1972-05-01), Chronistel
patent: 3817287 (1974-06-01), Aitken

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