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HPI RVP – Adjustable relief valves

These relief valves may be used as an integral part of a pressure regulator or on equipment downstream of a regulator. The relief
valves have a 1/4” MNPT inlet and outlet thread to vent gases either externally or remotely.

  • The HPI RVP is a relief valve for low pressure service
  • The valve is normally closed. It will open when system pressure reaches the set level. It will re-close when the system pressure falls below the set level
  • Upstream set pressure is the first indicator of flow process
  • Every pressure relief after the first is repeatable within a deviation at room temperature
  • Blocked upstream set pressure is the first indicator of a stopped flow process and is always lower than the set pressure
  • Calculation of set pressure valve design demands back pressure consideration as the system back pressure increases the set pressure. The set pressure are multiplied by 1,3 times of the working pressure
  • Every RVP Relief Valve is factory tested for proper set and resealing performance

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