Valve for sequential chemical operations

Details Valve for sequential chemical operations Valve for sequential chemical operations

1985-01-23

1986-07-01

Nilson, Robert G.

Fluid handling

Systems

Multiple inlet with single outlet

251331, F16K 1900

Patent

active

045974128

ABSTRACT:
A valve for multiple sequential operations such as biosynthesis, in which the valve body has a longitudinal groove as a common passage for a longitudinal sequence of local ports, and a unitary diaphragm controlled by a plurality of solenoid operable plungers opens and closes the local ports to the common passage by blocking fluid flow across the lands intervening between the local ports and the common passage.

REFERENCES:
patent: 3019815 (1962-02-01), Lenardon
patent: 3613729 (1971-10-01), Dora
patent: 3951167 (1976-04-01), Howell
patent: 4008736 (1977-02-01), Wittman
patent: 4168724 (1979-09-01), Graffunder
patent: 4304257 (1981-12-01), Webster

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