Rapidrop Model B wet alarm valves are designed for use in wet pipe sprinkler installations in buildings not subject to freezing temperatures.
This type of wet alarm valve is designed to automatically initiate electric or hydraulic alarm whenever there is a flow of water to one or more sprinklers.
A variety of trim packages are available to suit the requirements of the authority having jurisdiction and a number of accessories can be supplied including straps and padlocks, pressure switches,retard chamber and water motor alarm gong.
This valve must be installed vertically in the main supply to a wet pipe sprinkler system