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Model 129 Pressure Reducing with 3-Way Pilot

Model 129 Pressure Reducing with 3-Way Pilot

The Model 129 is applicable where inlet pressure must be reduced to a manageable level at an accelerated rate. Typical examples include high rise and commercial buildings, hospitals and hotels, pump systems and zone pressure control in municipal and industrial water.

 

Model Features

  • 3-way pilot closes valve quickly when outlet pressure rises due to loss of flow demand
  • Reduces a higher inlet pressure to a lower outlet pressure
  • Operates over wide flow range
  • 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
  • Factory tested and can be pre-set to your requirements

Note: The model 129 3-way pilot control circuit cannot be combined with additional hydraulic pilots in series; i.e. backpressure, rate of flow or other functional combinations. Refer to 127 Pressure Reducing Valve Series.

Model SheetModel Sheet (metric)SpecificationsAnimationOperations Manual
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