Series 450

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ENARDO’s Series 450 Pressure Vacuum Relief Valve is the ideal option for routine service in pipe-away applications. The Series 450 provides protection against positive or vacuum overpressure, prevents air intake and evaporative losses of products, and helps contain odorous and potentially explosive vapors. For high-performance applications and severe service, see the ENARDO Series 850 Pipe-Away Pressure Vacuum Relief Valve.

  • Manufacturer: Enardo
  • Valve Type: Pressure Relief & Safety Valves
  • Sub-Type: Pressure Vacuum Relief Valves
  • Pressure setting:
  • 0.5 to 20.0 oz./sq. in. (0.5 oz. increments)
  • 1.0 to 25.5 in. H20 (0.5 increments)
  • (2.0 to 87.0 mbar – 2.2 mbar increments)
  • Vacuum setting:
  • 0.5 to 10.5 oz./sq. in. (0.5 oz. increments)
  • 1.0 to 15.5 in. H20 (0.5 in. increments)
  • (2.0 to 44.0 mbar – 2.2 mbar increments)
  • Housing material: cast aluminum, carbon steel and stainless steel
  • Size: 2” (50 mm) through 12” (300 mm)

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