Emergency Vent Covers

Secure Enviro offers hinged emergency vent covers to provide your operation with an optimal safety system. Our vent covers provide emergency pressure relief for storage tanks when they are exposed to pressures that cannot be handled by standard tank vents. Our emergency vent covers also provide quick and easy access for tank inspection and maintenance.

For an additional piece of mind all our emergency vent covers meet API standard 2000.


  • Made with reliable materials (Carbon Steel, Stainless Steel 304 and 316 with various trims)
  • Option of different materials available on request
  • A range of sizes available (DN 400, 450, 500 and DN 600)
  • ANSI 150 lb or API 650 flanges available
  • Setting pressure of a minimum 50 mmW.C to a maximum 700 mmW.C

Additional Features

  • Steam jacket type
  • Steam tracing type
  • Proximity type
  • Teflon coating/lining type


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