Model RA Retard Chamber

Model RA Retard Chamber

  • FM Approved Logo Mid Grey 300.jpg
  • UL Logo Mid Grey.jpg
Connection 3/4" BSPT
Material Stainless steel
Capacity 3.8 litres
Maximum Working pressure 17.5 bar (250 psi)
Finish Red RAL 3001
Approvals FM Approved, UL Listed

The RD Retard Chamber is used with the Alarm Valve Trim when variable pressure is anticipated in the system. It is a holding tank to prevent the sounding of the sprinkler alarm during a water pressure surge but will permit the sounding of the alarm on a sustained flow.

The retarding chamber is connected to the alarm port of the alarm valve through the restriction nozzle. The retarding chamber is part of UL Listed Alarm Valve Trim. The retarding chamber is made of stainless steel material.