Valve with circulation timer

Details Valve with circulation timer Valve with circulation timer

1982-06-23

1984-10-16

Cohan, Alan

Fluid handling

With indicator, register, recorder, alarm or inspection means

Time

175 40, F16K 3700

Patent

active

044768940

ABSTRACT:
A mounting for a valve to record the duration of time during which circulation under pressure passes through the valve in which a timer and a battery circuit for the timer is mounted in the valve in a removable container carrying a magnetic switch for the battery circuit and a trigger mechanism to close the switch when circulation through the valve occurs.

REFERENCES:
patent: 3005507 (1961-10-01), Clark, Jr. et al.
patent: 3989114 (1976-11-01), Tschirky et al.
patent: 4298077 (1981-11-01), Emery
patent: 4387774 (1983-06-01), Herbert

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