... -Causticity Liquid,Saturated Steam SpecificationsBrass Ball Valves with welding connector,hot forging valves,brass ball valve. Soft sealing and nickle finish ... welding connector,hot forging valves,welding brass ball valve.1. The body and the ball are forged with brass C3771, C37000, ... Have own copper bar Factory of Group.2) Every valve put through a six-step QC process before delivery.Material Control ...