P289 Back Pressure Regulator/Relief Valve

The BelGAS P289 back pressure regulator operates as a high-flow relief valve with an adjustable set point. The regulator can be a standard relief valve to protect against over-pressurization in the downstream system.

Type P289 Back-Pressure Regulator

With its large diaphragm area and integral pitot tube booster, the Type P289 quickly and smoothly responds to excessive pressure relief requirements, particularly within low-pressure settings. Optional regulator rebuild kits are also available.

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Features & Benefits


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

Port Sizes

  • ¾”
  • 1” NPT
  • 2” NPT

Products Variation