Double Detector Check Assemblies

  • 950XLTDA / 950XLTDABF

    950XLTDA / 950XLTDABF

    Designed for installation on water lines to protect against both backsiphonage and backpressure of polluted water int...
  • 350DA / 350ADA

    350DA / 350ADA

    The Wilkins 350A and 350ADA are double check assemblies. Production of the 3/4"-2" began in 2004. The 3/4"-2" use a b...
  • 350ASTDA

    350ASTDA

    Designed for installation on water lines in fire protection systems to protect against both backsiphonage and backpre...
  • 450DA

    450DA

    The Wilkins 450 and 450DA are double check assemblies. Production of the 3/4"-2" began in 2004. The 3/4"-2" use a bro...
  • 950DA

    950DA

    Wilkins 950 is a double check valve assembly. Production of the Wilkins 950 began in 1990. The 2 1/2"-10" sizes were ...

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