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PreVent Ventilator

Current State of Manhole Venting

Utilities use vented manhole covers to allow air to passively escape from the underground structure. However, passive ventilation is not a holistic solution. Only using vented manhole covers:

  • Fails to exhaust or recirculate air
  • Allows harmful elements to drain through
  • Accumulates dangerous gas levels

 

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Active venting to prevent the buildup of flammable gases

PreVent Vent removes combustible gases to prevent fires and explosions and keep the overall manhole environment safe.

Watch how active ventilation within the vault structure allows gases to circulate and escape through the manhole cover.