hot forged DN20 brass ball valves 1/2 to 4 inch full flow, heavy duty ... ; others see below table) General features and options for various ball valves: 1. Brass material: CuZn39Pb2, CW617n, CW614n, HPb59-1, ... plating 4. Flow port: standard flow, full flow, reduced flow5. Ball material: brass, stainless steel, PVC6. Sealing: PTFE, EPDM O ... ctns per EU standard pallet CW617n brass forged PN40 ball valves