Flexi Hinge Valve Company 1-1/2 in. MNPT Aluminum Blower Check Valve

Part #F112502M3330

| Item #4933016

$113.55 each

Valve Size:

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Product Details

  • Next generation design for long life
  • Flexi-Hinge® check valves have features to make them ideal for use with positive displacement and centrifugal blowers
  • Use the same internals as the threaded bodies
  • Replacement repair kits fit all valves
  • For maximum life in blower service, Flexi-Hinge® valves should be installed with the center pin vertical in horizontal pipelines
  • Vertical upflow does not require any special considerations but vertical downflow may likely require an optional spring to ensure closure of the valve plates
  • Flexi-Hinge® valves should be located a minimum of 5 pipe diameters (preferably 10) from any valves or fittings in order to maintain stable laminar flow
  • In PD blower applications, it is best to locate check valves on the discharge end of a silencer
  • Pulsating and/or turbulent air-flow is one of the most common causes of reduced check valve life in STP blower systems


  • Coating
  • End Connection 1
  • End Connection 2
  • End Connections
  • Fitting Type
  • Length
    4 in
  • Low Pressure
  • Material
  • Maximum Temperature
  • Type
  • UL Listed
  • Valve Size
    1-1/2 in
  • Valve Type
    Check Valve