Gate valve

Details Gate valve Gate valve

1975-04-23

1976-03-23

Rosenthal, Arnold

Valves and valve actuation

Reciprocating valve

Gate

251329, 137242, F16K 2704

Patent

active

039456064

ABSTRACT:
A gate valve particularly for controlling the flow of chemicals and corrosives includes a knife edge gate and means to assure parallelism between the gate and a stainless steel gate seat in the valve casing. A bonnet on the top of the casing has guides for the gate and allows full withdrawal of the gate from the flow line without the necessity for the gate passing through the gate stem packing. Leakage of the valve is substantially eliminated.

REFERENCES:
patent: 2842283 (1958-07-01), Smith
patent: 3170670 (1965-02-01), Johnstone
patent: 3447222 (1969-06-01), Bunch et al.

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