-L6512023.530220V50HZDFD-06-07-X6712023.565220V50HZDFD-09-03-L9212023.530220V50HZDFD-09-07-X9712023.565220V50HZDFD-12-07-X12712023.565220V50HZDFD-15-03-X15312023.565220V50HZDFD-20-03-X20316023.565220V50HZDFD-30-03-X3031602465220V50HZDFD-50-02-X5021602465220V50HZDM系列电磁隔膜泵防腐塑料外壳全PTFE隔膜按IP55防护等级设计多种材质的泵头可选:PP,PVC,PTFE,SS316双球单向阀频率调节:10-100%冲程调节:10-100%可接受0/4-20MA外部电流信号、面板显示、起始点可以任意设定,可以正反比例,自动调节。DM系列电磁隔膜计