Wilkins Top Access Double Check Valve Assembly 950XLT Series 20-50mm
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When double check valve assemblies are installed in valve boxes, it is advantageous to have top access to the check valves and test cocks.  The Wilkins 950XLT embodies these advantages.  Both check valve access covers and test cocks are angled upward for easy access during testing and repair.  Designed for backflow protection where a health hazard does not exist, the 950XLT is perferct for residential, commercial, industrial and irrigation applications requiring a valve box installed double check.


  • Available in 20mm, 25mm, 32mm, 40mm and 50mm.
  • Top entry double check valve assembly consisting of two independently operated, spring loaded center guided check valves.
  • Complete with two full port resilient seated ball valves for shut off and three resilient seated ball valve test cocks.
  • Both check valves and test cocks are designed at an inclined angle upward for easy access during repair, maintenance and testing.
  • Bronze body construction.
  • Test cocks provided with threaded plugs.
  • Noryl replacable seats and silicone rubber check washers.
  • Entire unit servicable in line.
  • Temperature range 1-82 degrees C (33-180 degrees F).
  • Maximum pressure 1225kpa (175psi).
  • With BSP threaded connections.