High pressure valve for chromatography

Details High pressure valve for chromatography High pressure valve for chromatography

1979-01-15

1980-09-16

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

137375, 251317, F16K 506

Patent

active

042224128

ABSTRACT:
A valve in which a cold flowable, non-absorbing sealing member, such as tetrafluoroethylene resin, is confined within complementary surfaces of an outer hollow body and an inner, rotatable element, and substantial pressure is imposed on the member to compress and cold flow its material into sealing engagement with the complementary surfaces. At least one passage is formed in the inner element, and ports are formed in the surrounding member and body so as to come into selective alinement with the passage.

REFERENCES:
patent: 3124334 (1964-03-01), Szohatzky
patent: 3244398 (1966-04-01), Scaramucci
patent: 3297053 (1967-01-01), McKinney
patent: 3974869 (1976-08-01), Abe
patent: 4026516 (1977-05-01), Matousek

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