规格:DN40-DN600 法兰:A105 球体:EPDM/NBR
DN50-DN400 阀体:WCB,CF8,CF8M 阀板:CF8,CF8M 密封:EPDM/NBR/VITON
规格:DN40-DN600 阀体:CI,DI,CF8,CF8M,CF3M 阀板:DI,CF8,CF8M,CF3M 密封:EPDM/NBR/VITON/PTFE