GIQ气动高真空蝶阀_主要零件材料阀体、阀盖、阀杆：碳钢或不锈钢密封件：***橡胶、氟橡胶GIQ气动高真空蝶阀_外形及连接尺寸(mm)(JB919)Model型号DNDDoD1BHB1Ln-φcGID-404085704422162901044-φ7GID-5050110905522175901044-φ7GID-656512510570261981021404-φ9GID-808014512585302081021404-φ9GID-100100170145105302201021404-φ12GID-150150220195156352721151648-φ12GID-200200275250208403302051908-φ12GID-250250330300258453352051908-φ14GID-300300380350308554261522478-φ14GID-400400500465410605201803088-φ18GID-5005006005655108064322037812-φ18GID-60060071067061010076027052412-φ21GID-80080092081581513096232064820-φ21GID-120012001440128012801501360385148036-φ)