Wh 301 401 501 601 siphonic overflow drain.
Siphonic roof drain.
Siphonic drains are like other roof drains in that they are connected from the roof to the storm drain by a series of leaders or downspouts.
Siphonic roof drain anatomy siphonic roof drains from jay r.
Siphonic drainage systems can be used to drain a roof if the following criteria are met.
Conventional gravity fed roof drainage systems rely on gravity and water s ability to spread out and flow to the lowest point channeling from the roof down through the gutter outlets and downpipes to the ground below.
Drainage of large roof surfaces requiring a minimum outflow capacity of 1 0 l s.
Co a siphonic roof drain looks much like a traditional roof drain.
Wade siphonic drainage design request.
The main difference is that the siphonic drainage system is designed to run completely full of water whereas the conventional gravity drainage system is designed to run only 1 2 full 1 2 empty.
This air baffle is engineered and tested to prevent air from entering the piping system at peak flows.
Several of these drains tie into a horizontal collector that is routed to a convenient point where it transitions into a vertical downpipe this downpipe once it reaches the ground is piped to a.
Uv system designs and supplies its line of top performing siphonic roof drains to projects throughout the united states canada and mexico.
A siphonic roof drain has a special insert that acts as an air baffle and anti vortex vane such that only water is drawn off of the roof not air.
Uv system is the only engineering firm in the united states focused solely on siphonic roof drainage.
Adequate difference in height of at least four metres between the roof and the buried drains.