Atmospheric Relief Valve

Atmospheric Relief Valves are designed and constructed in accordance with HEI standards for vacuum service. The valves are sized for a maximum relieving pressure of 10 psig at rated capacity, and will start to open at a pressure slightly above atmosphere.

  • For Condenser Shell protection in accordance with HEI.
  • Valves are available in sizes 4 inch to 36 inch
  • For steam condensers of capacity up to 550,000 pounds per hour
  • Horizontal, vertical, or angle mounted styles
  • Seal automatically resets after over pressurization
  • Proprietary one piece seal design for reliable operation
  • Manufactured by Ambassador Heat Transfer Company