... Gate Valve For Water,1/2" ~2",PN 20 ISO9001 and ISO14001 approved 100% Pressure Test 1. ... causticity liquid,Saturated Steam(<=0.6MPa)Working tempersture:-20 to 100 degreeParallel Pipe Thread to ISO228/1 ... and OHSAS18001. Besides,our products are satisfied the UN’s ROHS requirements.(4)Steady raw material supply: ... you need, we are very appreciate if you can tell us : Brass Material,DN,PN,Weight,Quantity ...