Adj. Back Pressure & Anti-Siphon valves

BPR-5-SS-N BP/PR VALVE, SS/PTFE, 1/2" NPT Walchem Metering Pump Repair Part With a stainless steel (SS) valve body and PTFE (polytetrafluoroethylene) sealing elements, this valve ensures excellent corrosion resistance and compatibility with various...

BPR-5-PVDF-N BP/PR VALVE, PVDF/PTFE, 1/2" NPT Walchem Metering Pump Repair Part With a construction featuring PVDF (polyvinylidene fluoride) for the valve body and PTFE (polytetrafluoroethylene) for the sealing elements, this valve provides exceptional...