Differential Valves

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Differential Valves are spring loaded valves installed on the outlet side of a meter. Most Liquid Controls meters with an air eliminator also have an air check or differential valve. Air eliminators and air check valves work together to stop the flow of product through a meter until air is eliminated from the system.
  • 2" Aluminum: Constant 15 psi differential pressure
  • 2", 3", 4" & 6" Ductile Iron or Cast Steel: Adjustable differential pressure setting of 5 to 16 psi