Fluid actuated valve

Details Fluid actuated valve Fluid actuated valve

1979-11-21

1981-07-07

Swisher, S. Clement

Fluid handling

Systems

Valves with separate, correlated, actuators

251 62, F16K 31143, F16K 31163, F16K 31363

Patent

active

042769078

ABSTRACT:
A multi-part diaphragm-sealed valve suitable for use in high or low pressure chromatography of the type actuated by a spring biased within a cylinder. The piston is provided with a stop means to limit compression of the springs. A groove is provided in the cylinder wall to allow quick pressure build up and decay within the spring to insure quick action of the valve itself.

REFERENCES:
patent: 3111849 (1963-11-01), Broerman
patent: 3139755 (1964-07-01), Reinecke
patent: 3140615 (1964-07-01), Broerman
patent: 3376894 (1968-04-01), Broerman
patent: 3387496 (1968-06-01), Broerman
patent: 3439542 (1969-04-01), McRay
patent: 3535939 (1970-10-01), Casey et al.
patent: 3545491 (1970-12-01), Broerman
patent: 3633426 (1972-01-01), Broerman
patent: 4112766 (1978-09-01), Raigains

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