... PN 2.5MPa 2.Application:Water 3.Temper.:-20 to 100 degree 4.Parallel Pipe Thread to ... Gate Valve For Water,1/2" ~2",PN 20 ISO9001 and ISO14001 approved 100% Pressure Test 1.Technical ... -causticity liquid,Saturated Steam(<=0.6MPa)Working tempersture:-20 to 100 degreeParallel Pipe Thread to ISO228/1, ... Steady raw material supply: our parent firm has copper bar company .(5)Seven Step QC Process 1) Material ...