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Model 127-4 Pressure Reducing and Check Valve

Model 127-4 Pressure Reducing and Check Valve

The Model 127-4 has a wide range of applications: anywhere a pressure must be reduced to a manageable level and reverse flow must be prevented.  Typical examples include high rise and commercial buildings, pump systems, zone pressure control in municipal and industrial water and irrigation systems.


Model Features

  • Reduces a higher inlet pressure to a lower outlet pressure
  • Constant outlet pressure over wide flow range
  • Check feature closes valve on pressure reversal
  • Pilot-operated main valve not subject to pressure fall off
  • Outlet pressure is adjustable with single screw
  • Can be maintained without removal from the line
  • Adjustable opening/response speed
  • Factory tested and can be pre-set to your requirements
Model SheetModel Sheet (metric)SpecificationsAnimationOperations Manual
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