Adj. Back Pressure & Anti-Siphon valves

BPR-7-SS-N BP/PR VALVE, SS/PTFE, 3/4" NPT Walchem Metering Pump Repair Part This precision-engineered valve features a stainless steel (SS) valve body and PTFE (polytetrafluoroethylene) sealing elements, providing excellent corrosion resistance and...

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 sealing elements, this valve provides exceptional...