The wet system valve assemblies is the simplest and most popular sprinkler system generally installed in areas which are not subject to freeze. The operating principle is very simple: the wet alarm valve works like a standard check valve but it also generates alarms when operating; this feature is typical of all sprinkler systems, both upstrem and downstream valve tubes are filled with water, the crash of a sprinkler makes the system operating immediately against the fire. The system consist of the check valve, wet alarm and hydraulic alarm bell. The wet systems are the most reliable; it is very easy to use them and the costs for installation and maintenance are very cheap.
Gate valve flat body external screw UL-FM
Wet alarm valve
Complete trial and alarm trim with accessories and pressure gauges
Delay chamber
Water alarm pressure switch mod. PS10-1
Hydraulic alarm bell
Pre-assembly included
