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Enardo™ Series ES-800-SO In-Line Pressure Vacuum Vents
Enardo ES-800 in-line vent valves represent the latest development in high-performance, tight-sealing tank venting products, and complement the industry-leading Enardo ES-660 Series thief hatch product line.
Enardo™ Series ES-800-SO In-Line Pressure Vacuum Vents


2 through 4
Housing Materials
Leakage Rate
Leakage not to exceed 1.0 SCFH at 90% of set point
Weight Materials
Zinc Plated CS
Pallet Materials
Body Gasketing
Nitrile (NBR)
Pressure Settings
1.0 to 16.0 oz/sq in
Vacuum Settings
0.4 oz/sq in


  • Leakage Rate No Greater Than 1.0 SCFH @ 90% Set Point
  • Multiple Pressure Settings
  • Fluorocarbon (FKM) Gaskets for Corrosive Service
  • Certified Flow Capacities Per API
  • Coating Options for Extremely Harsh Environments


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