Fluid operated pinch valve

Details Fluid operated pinch valve Fluid operated pinch valve

1977-01-19

1978-08-22

Schwadron, Martin P.

Valves and valve actuation

Tube compressors

Fluid pressure actuated

137375, F16K 707

Patent

active

041084187

ABSTRACT:
A fluid operated pinch valve comprises a flexible sleeve fixed at its ends within a valve casing that has a laterally facing opening through which the sleeve may be inserted and replaced without removing the valve casing from the flow line. A casing cover section has a planar sealing face that bridges the opening for sealing engagement with the main casing section, and which also seals against linear sealing flanges on ends of the flexible sleeve.

REFERENCES:
patent: 1024876 (1912-04-01), Barbour
patent: 1024877 (1912-04-01), Barbour
patent: 2898088 (1959-08-01), Alder
patent: 2972464 (1961-02-01), Jones et al.
patent: 2995335 (1961-08-01), Raftis
patent: 3285563 (1966-11-01), Clarkson
patent: 3441245 (1969-04-01), Holland et al.
patent: 3574310 (1971-04-01), Souriau

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