PRV04 Range Of Pressure Reducing Valves For Use In Domestic Or Light Commercial Applications Outlet Control Pressure Range From 1.5 To 6.0 Bar. - Description: 1/2" PRV04 - Connection Size R: 1/2" BSP(F) - Nominal Size DN: 15 - Dimensions (mm) (LHh): 83 x 67.5 x 33.5 - Kvs Valve: 1.76