Air Valves Potable Water - Air Valve Double 50 to 100mm PN16

Cast iron construction
High impact plastic internals
WRc approved
Flanged PN16 or to order
Air vent and vacuum valve for filling and draining lines combined with air release valve to vent entrained air under operating pressure
Install in a vertical position flanged inlet at the bottom
Install with lever operated wafer lugged butterfly valve to isolate

Section 4.7