Alarm test device for a sprinkler system

Details Alarm test device for a sprinkler system Alarm test device for a sprinkler system

1985-09-04

1987-02-17

Cohan, Alan

Fluid handling

With indicator, register, recorder, alarm or inspection means

Inspection means

137599, 1376253, 13762532, 137876, 251118, 116276, F16K 3700

Patent

active

046432248

ABSTRACT:
An alarm test device for a sprinkler system incorporates test and drain valves, together with a sight glass and a metering orifice into a single test valve, with the option of employing a plug valve as the test and drain valves, and the further option of employing a combined sight glass and metering orifice as the plug valve.

REFERENCES:
patent: 1482848 (1924-02-01), Johnson
patent: 2602699 (1952-07-01), Otto et al.
patent: 2869815 (1959-01-01), Jordan
patent: 3477467 (1969-11-01), Sewell et al.
patent: 3893473 (1975-07-01), Breece
patent: 4022245 (1977-05-01), Davis
patent: 4199006 (1980-04-01), Thalhamer
patent: 4374785 (1983-02-01), Wyatt

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