Flexible diaphragm controlled valve

Details Flexible diaphragm controlled valve Flexible diaphragm controlled valve

1981-02-02

1982-10-12

Michalsky, Gerald A.

Measuring and testing

Gas analysis

Gas chromatography

7386371, 137877, 137885, 251 611, G01N 3108

Patent

active

043532438

ABSTRACT:
A multiport flexible diaphragm controlled valve is disclosed. The parts are all interconnected by low dead volume channels. The valve provides extremely fast response times, no moving parts other than the control diaphragm, operability over a wide range of operating conditions including high temperatures and is adaptable to use with all types of chromatography systems. The valve may also be utilized in a double sided configuration enabling two independent flow patterns to coexist simultaneously and be switched totally independent of one another.

REFERENCES:
patent: 3139755 (1964-07-01), Reinecke et al.
patent: 3156157 (1964-11-01), Smith et al.
patent: 3767161 (1973-10-01), Blatter
patent: 4119120 (1978-10-01), Mehaffy et al.
patent: 4168724 (1979-09-01), Graffunder et al.

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