... class: IP65; 3.Insulation class: F Frank electromagnetic metering pump is handled by the micro-controller, with a variable stroke ... Table Diaphragm: PTFE Pump head: PVC, PP, PVDF One-way valve: PVC, PP Bottom valve filter: PVC, PP Injection valve: PVC, PP Hose ... : PVC, PE, PTFE Sealing: PTFE Frank metering pump for ...