Hayward Diaphragm Pressure Valves

  • 1/2" Hayward DAB Series CPVC Diaphragm Valve w/Flanged ends, O-rings
    $506.99
  • 1/2" Hayward DAB Series CPVC Diaphragm Valve w/Flanged ends, O-rings
    $389.99
  • 1/2" Hayward DAB Series CPVC Diaphragm Valve w/Flanged ends, O-rings
    $413.99
  • 1/2" Hayward DAB Series PVC Diaphragm Valve w/Flanged ends, O-rings
    $311.99
  • 1/2" Hayward DAB Series PVC Diaphragm Valve w/Flanged ends, O-rings
    $208.99
  • 1/2" Hayward DAB Series PVC Diaphragm Valve w/Flanged ends, O-rings
    $248.99
  • 1/2" Hayward DAB Series True Union CPVC Diaphragm Valve
    $479.99
  • 1/2" Hayward DAB Series True Union CPVC Diaphragm Valve
    $323.99
  • 1/2" Hayward DAB Series True Union CPVC Diaphragm Valve
    $422.99
  • 1/2" Hayward DAB Series True Union PVC Diaphragm Valve
    $317.99
  • 1/2" Hayward DAB Series True Union PVC Diaphragm Valve
    $165.99
  • 1/2" Hayward DAB Series True Union PVC Diaphragm Valve
    $208.99
  • 3/4" Hayward DAB Series CPVC Diaphragm Valve w/Flanged ends, O-rings
    $561.99
  • 3/4" Hayward DAB Series CPVC Diaphragm Valve w/Flanged ends, O-rings
    $421.99
  • 3/4" Hayward DAB Series CPVC Diaphragm Valve w/Flanged ends, O-rings
    $463.99
  • 3/4" Hayward DAB Series PVC Diaphragm Valve w/Flanged ends, O-rings
    $340.99
  • 3/4" Hayward DAB Series PVC Diaphragm Valve w/Flanged ends, O-rings
    $240.99
  • 3/4" Hayward DAB Series PVC Diaphragm Valve w/Flanged ends, O-rings
    $285.99
  • 3/4" Hayward DAB Series True Union CPVC Diaphragm Valve
    $510.99
  • 3/4" Hayward DAB Series True Union CPVC Diaphragm Valve
    $389.99
  • 3/4" Hayward DAB Series True Union CPVC Diaphragm Valve
    $455.99
  • 3/4" Hayward DAB Series True Union PVC Diaphragm Valve
    $337.99
  • 3/4" Hayward DAB Series True Union PVC Diaphragm Valve
    $188.99
  • 3/4" Hayward DAB Series True Union PVC Diaphragm Valve
    $234.99
Hayward offers products and solutions specific for the demanding needs of chemical feed systems. Ideal for applications such as chemical dosing, transfer & processing and chlorination systems.

Hayward thermoplastic Diaphragm Back Pressure Valves for chemical feed systems apply back pressure to a metering pump to prevent siphoning and eliminates varying dosage rates resulting from fluctuating downstream pressure.

Hayward thermoplastic Diaphragm Pressure Relief Valves are ideal for protecting against over-pressure in Chemical Feed Systems