Pressure Relief/Sustaining/Back-pressure Control Valve

Envotec Model E5050-10 Pilot Operated Pressure relief valve maintains constant line pressure if installed on a bypass to main line by reliving excess built-up line pressure. The reliving function is fast opening and progressive closing. Similarly same control valve can be installed on main line to sustain the inlet pressure from falling below the set point and also the same control valve can be used for backpressure control feature.

  • High hydrodynamic section globe body, without stagnation pockets.
  • NSF Approved epoxy powder coated internal/ external suits potable(drinking) water applications.
  • Simple structure, easy installation/ disassembly.
  • Head loss and cavitation risks reduction.
  • Excellent corrosion strength.
  • Conformity with both European and American standards.
  • Valve equipped with pilot strainer to protect foreign debris entering to the pilot system.
  • Valve equipped with isolation cocks for easy maintenance.
  • Maintenance and repairs is possible without removing the main valve body from the line.
  • Main-valve body provisioned with bottom drain plug for flushing out dirt during the preliminary installation and when required.

⏺ Max. Working Pressure: 16 bar (232 psi)
⏺ Max. Working Temperature: 80ºC (176°F)
⏺ Nominal Diameter: DN32~ DN600
⏺ Fluid Medium: Water
⏺ Pressure Relief Setting Range:
20 ~ 200psi(1.4~14bar) (Standard)
2 ~ 30psi(0.14~2bar)
100 ~ 300psi(7~20.6bar)
– Other setting ranges are available on request.

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