Adj. Back Pressure & Anti-Siphon valves

BPR-5-PVC-UE BP/PR VALVE, PVC/EDPM/PTFE, 1/2" UNION (NPT/SOC) Walchem Metering Pump Repair Part With a PVC (polyvinyl chloride) valve body and a combination of EPDM (ethylene propylene diene monomer) and PTFE (polytetrafluoroethylene) for sealing...

BPR-5-PVC-U BP/PR VALVE, PVC/FKM/PTFE, 1/2" UNION (NPT/SOC) Walchem Metering Pump Repair Part Crafted with a PVC (polyvinyl chloride) valve body and a combination of FKM (fluoroelastomer) and PTFE (polytetrafluoroethylene) for sealing elements, this...

BPR-5-PVC-NP BP/PR VALVE, PVC/PTFE, 1/2" NPT, 1/4"NPT PORT Walchem Metering Pump Repair Part Crafted with a PVC (polyvinyl chloride) valve body and PTFE (polytetrafluoroethylene) sealing elements, this valve ensures robust corrosion resistance and...

BPR-5-PVC-N-BV BP/PR VALVE, PVC/PTFE, 1/2" NPT, 1/4"NPT & VALVE Walchem Metering Pump Repair Part Crafted with a PVC (polyvinyl chloride) valve body and PTFE (polytetrafluoroethylene) sealing elements, this valve ensures robust corrosion resistance...

Anti-Syphon/Back Pressure Valves   Walchem Back Pressure / Anti-Siphon valves provide stability and safety to your metering pump installations.  All metering pump require back pressure to operate correctly and often installations do...

BPR-5-PP-UE BP/PR VALVE, PP/EDPM, 1/2" NPT UNION Walchem Metering Pump Repair Part Constructed with a polypropylene (PP) valve body and featuring EPDM (ethylene propylene diene monomer) for sealing elements, this valve ensures robust corrosion...

BPR-5-PP-U BP/PR VALVE, PP/FKM, 1/2"" NPT UNION Walchem Metering Pump Repair Part This specific component, the BP/PR Valve, is crucial for the proper functioning and maintenance of the metering pump system. The materials used in its construction include...

BPR-5-PP-N BP/PR VALVE, PP/PTFE, 1/2" NPT Walchem Metering Pump Repair Part This specific component, the BP/PR Valve, is crucial for the proper functioning and maintenance of the metering pump system. The materials used in its construction include...

BPR-3-PVC-UE BP/PR VALVE, PVC/EDPM/PTFE, 1/4" UNION (NPT/SOC) Walchem Metering Pump Repair Part This precision-engineered valve boasts a construction of PVC (polyvinyl chloride) for the valve body, and a combination of EPDM (ethylene propylene diene...

BPR-3-PVC-U BP/PR VALVE, PVC/FKM/PTFE, 1/4"" UNION (NPT/SOC) Walchem Metering Pump Repair Part This precision-engineered valve features a construction of PVC (polyvinyl chloride) for the valve body and a combination of FKM (fluoroelastomer) and PTFE...

BPR-3-PVC-N BP/PR VALVE, PVC/PTFE, 1/4"" NPT Walchem Metering Pump Repair Part Featuring a construction of PVC (polyvinyl chloride) for the valve body and PTFE (polytetrafluoroethylene) for the sealing elements, this precision-engineered valve offers...

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 (polytetrafluoroethylene) for the sealing elements. This material...