Air baffle (Siphonic Roof Drainage)

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Air-Baffle.jpeg
  • A device that limits the flow of air into a drain, causing the connected drainage piping to run at full bore flow with a limited water depth on the roof surface.

References

1. ASPE Standard 45 Siphonic Roof Drainage; ASME 112.6.9.2005 Siphonic Roof Drains