Priming Restriction Priming Restriction

The Priming Restriction is a flow restriction component used as an integral orifice in the control trim of BERMAD Deluge Valves. In addition it incorporates two ¼ inch NPT (F) ports to enable a priming pressure connection to supplementary instruments like a solenoid or relay valve. The internal restriction orifice is available in a number of diameters, each suited to a particular valve/pilot size.