Hayward Flow Control Datasheets for Diaphragm Valves

Diaphragm valves close by means of a flexible diaphragm attached to a compressor.
Diaphragm Valves: Learn more

Product Name Notes
Diaphragm Pressure Relief Valves -- PBV Series All thermoplastic diaphragm Back Pressure Valve for chemical feed systems, applies back pressure to a metering pump to prevent siphoning and eliminates varying dosage rates resulting from fluctuating downstream pressure.
Diaphragm Back Pressure Valves -- RPV Series All Thermoplastic diaphragm Pressure Relief Valve for protecting against over-pressure in Chemical Feed Systems. All valves are preset at 50 psi, however they are field adjustable via the adjustment screw.
Manual Diaphragm Valves -- DAB Series DAB Series diaphragm valves are available in PVC, Corzan CPVC, PP and PVDF. Diaphragm materials are FPM, EPDM, or PTFE. End connections are true union socket and threaded or flanged.
Actuator Ready Diaphragm Valves -- HCDAB Series HCDAB Series ready for actuation diaphragm valves do not have a handle or a mounting kit. In other words, these valves are ready for actuation. If an actuator is ordered...