BPR-3-PP-N BP/PR VALVE, PP/PTFE, 1/4" NPT Walchem Metering Pump Repair Part This precision-engineered valve features a construction using polypropylene (PP) for the valve body and PTFE...
BPR-3-SS-N BP/PR VALVE, SS/PTFE, 1/4" NPT Walchem Metering Pump Repair Part This valve, constructed with stainless steel (SS) for the valve body and PTFE (polytetrafluoroethylene) for the sealing...