Medium Hazard Devices
  Double Check Valve Assembly 350 Series 20-50mm
The Wilkins model 350 double check valve assembly with its revolutionary removable pressure vessel, is designed to protect against backpressure...
  Double Check Valve Assembly 950XL Series 20-50mm
With its time tested design, the Wilkins 950XL is capable of handling the toughest backflow conditions that any double check valve assembly may...
  Top Access Double Check Valve Assembly 950XLT Series 20-50mm
When double check valve assemblies are installed in valve boxes, it is advantageous to have top access to the check valves and test cocks. ...
  Double Check Valve 350 Series 65-300mm
Designed for installation on potable water lines to protect against both back-siphonage and back-pressure of polluted water into the potable...
  Double Check Valve 350DA Series 65-250mm
Designed for installation on potable water lines in fire sprinkler systems to protect against both back-siphonage and back-pressure of polluted...
  Double Check Valve 450 Series 65-250mm
Designed for installation on potable water lines to protect against both back-siphonage and back-pressure of polluted water into the potable...
  Spill Resistant Pressure Vacuum Breaker Assembly
Designed for installation on indoor and outdoor point of use applications to protect against back-siphonage of contaminated water into the water...
  Dual Check Valve Assembly With Intermediate Atmospheric Vent
Designed for installation on boiler fill water lines to protect against both back-siphonage and back-pressure of polluted water into the potable...
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