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Type P289 Back Pressure Regulator

The BelGAS Type P289 back pressure regulator functions as a high flow relief valve with an adjustable setpoint. It can be used in place of a standard relief valve to provide protection against over-pressurization in the downstream system. With its large diaphragm area and integral pitot tube booster, the Type P289 is designed for quick and smooth response to excessive pressure relief requirements, particularly within low-pressure settings. The Marsh Bellofram BelGAS Type P289 back pressure regulator functions as a high flow relief valve with an adjustable setpoint. The Type P289 can be used in place of a standard relief valve to provide protection against over pressurization in the downstream system. With its large diaphragm area and integral Pitot tube booster, the Type P289 is designed for quick and smooth response to excessive pressure relief requirements, particularly within low-pressure settings.  Optional regulator rebuild kits are also available.

To view the Operational Schematic for the P289 1″, Click Here.

To view the Operational Schematic for the P289 2″, Click Here.

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Features:

  • Throttling Type Relief
  • High Flow Rates
  • Compact
  • Reliability Due to Simplicity
  • Tight Shutoff

Applications:

  • Fuel Gas Relief
  • Gas Gathering Relief
  • Downstream System Pressure Control
  • Low-pressure relief
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