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ENARDO Series 851 (Top or side mounted)

  • Manufacturer: ENARDO
  • Valve Type: ENARDO
  • Sub-Type: Pressure Vacuum Relief Valves
  • Pressure or vacuum setting:
  • 0.5 to 32.0 oz./sq. in. (0.5 oz. increments)
  • 1.0 to 55.0 in. H20 (0.5 in. increments)
  • (2.0 to 138.0 mbar – 2.2 mbar increments)
  • Housing material: aluminum, ductile iron, stainless steel, carbon steel
  • Size: 2” (50 mm) through 12” (300 mm)


ENARDO’s Series 851 is an advanced design for pipe-away applications. This high-performance valve utilizes the latest technologies to provide protection against positive overpressure, prevent air intake and evaporative loss of product, and help contain odorous and potentially hazardous vapors. The Series 851 offers features that exceed the performance of standard valves on the market, particularly in very cold ambient conditions and applications involving sticky materials.


Product Tags

ENARDO Pressure Vacuum Relief Valves

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