Sealing means for sliding gate valve

Details Sealing means for sliding gate valve Sealing means for sliding gate valve

1975-12-10

1982-06-15

Rosenthal, Arnold

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137240, 13761421, 251174, 251175, 251328, 138 943, F16K 3312, F16K 302, F16K 2500

Patent

active

043345506

ABSTRACT:
A gate valve apparatus suitable for controlling the flow of fluids in a conduit, especially gases in high temperature applications, is disclosed. The apparatus includes a gate member adapted for sliding movement through an aperture in the gate valve assembly. Each opposing side of the aperture has fixedly mounted cooperating flat sealing strips to seal the aperture in both the conduit-open and conduit-closed positions. In certain embodiments a plurality of substantially parallel gate members, each having aperture sealing means, may be used to provide increased sealing effectiveness for highly toxic gaseous mediums.

REFERENCES:
patent: 1054150 (1913-02-01), Thorsby
patent: 2732170 (1956-01-01), Shand
patent: 3206162 (1965-09-01), Bogot
patent: 3228389 (1966-01-01), Lowe et al.
patent: 3333816 (1967-08-01), Williams et al.
patent: 3504883 (1970-04-01), Beck
patent: 3698429 (1972-10-01), Lowe et al.
patent: 3738393 (1973-06-01), Alexandrov et al.
patent: 3799187 (1974-03-01), Armstrong

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