... ,gate valve,Brass valves, Female thread to ISO288/1, BSP, NPT, etc, 100% Leakage Test Brass gate valves,forged brass gate ... wheel is made of HT200 gray cast iron...4. female thread to ISO288/1, BSP, NPT, etc. 5. Norminal Diameter: ... development and production of Copper Valves, Gas Valves, Gate Valves, Ball Valve, Radiator Valve, Stop Valve, Check Valve, Bibcock, Angle Valves, Brass Fitting, Copper ...