... /21,2003/41,0001800General features and options for various brass ball bibcocks: 1. Brass material: CuZn39Pb2, CW617n, CW614n, HPb59-1, HPb57- ... 3, MS58, DZR.2. DN15 to DN253. Body finish: brass ... flow, full flow, reduced flow5. Ball material: stainless steel, brass, polyacetal6. Sealing: PTFE, EPDM, NBR O-Rings7. Connections to ...