ALARM CHECK VALVE
MODEL: FIG 119B
SPECIFICATION
Type: Pilot control valve, Working pressure: 16bar.
Flanged to BS4504 PN16
DESCRIPTION
• Alarm Check valve are divided seat ring, rubber faced clapper, water flow alarm check valve which are intended for
use in wet pipe fire protection systems. They may be installed vertically and they are designed to automati- cally actuate
electric or hydraulic alarm when there is a steady flow of water into the system that is equivalent to the discharge rate
of one or more sprinklers.
• Alarm check valve trim includes pressure gauges to monitor system pressure conditions, a by-pass check valve, a main
drain valve, and an alarm test valve. The by-pass check valve serves to reduce the possibility of false alarm by permitting
slow as well as small transient increases in water supply pressure to be passed through to the system without opening of
the water way clappe