SERA隔膜泵材料泵头和阀门:PVC,PP,PVDF,1.4571,钛,橡胶涂层钢板,PP-FRP,PVDF-FRP阀球:玻璃,聚四氟乙烯,1.4401,带胶钢丝阀门密封:EPDM,FPM,FEP覆盖,PTFE覆盖,SIL C-8200工作隔膜:CR,EPDM,FPM,PTFE面中间隔膜:CSM,PTFE,FPM,PTFE面R412 So可配计量泵隔膜Nr:154142