Description

Retarding Chamber is used with Alarm Valve Trim when variable pressure is anticipated in the system. It is holding tank to prevent sounding of Sprinkler Alarm during water pressure surge, but will permit the sound on sustained flow. The retard chamber is connected from alarm valve, alarm port through restriction nozzle. The retard chamber is part of UL Listed Alarm Valve Trim. The retard chamber is made of stainless steel material.