BPR-7-PVC-N BP/PR VALVE, PVC/PTFE, 3/4" NPT Walchem Metering Pump Repair Part With a PVC (polyvinyl chloride) valve body and PTFE (polytetrafluoroethylene) sealing elements, this valve ensures...
BPR-7-PVDF-N BP/PR VALVE, PVDF/PTFE, 3/4" NPT Walchem Metering Pump Repair Part Featuring a construction of PVDF (polyvinylidene fluoride) for the valve body and PTFE (polytetrafluoroethylene) for...