Alarm check valve

Details Alarm check valve Alarm check valve

F - Mech Eng,Light,Heat,Weapons

16

K

116/47, 137/56

F16K 15/00 (2006.01) A62C 37/50 (2006.01) F16K 15/03 (2006.01) F16K 37/00 (2006.01)

Patent

CA 1236755

ABSTRACT OF THE DISCLOSURE An alarm check valve has a tubular body arranged to fit within a pipe line, such as of a sprinkler system. The valve member is pivoted within the body so as to permit one way flow, and is spring biased towards the closed position. A secondary outlet port is normally covered by the closed valve member. When the valve is opened and fluid is flowing, some fluid can flow out the secondary port to operate an alarm.

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