... optional Size 1/2, 3/4 and 1 inch Ball Cock Brass Water Tap1. Size 1/2, 3/ ... /21,2003/41,0001800General features and options for various brass ball bibcocks: 1. Brass material: CuZn39Pb2, CW617n, CW614n, HPb59 ... 4. Flow port: standard flow, full flow, reduced flow5. Ball material: stainless steel, brass, polyacetal6. Sealing: PTFE, EPDM, ... 12.Min. wall thickness 1.2 mm Brass ball bibcock brass water tap