Siphonic Roof Drain System

Siphonic drainage can be used on membrane concrete and gravel roofs as well as on green roofs with extensive planting.

Siphonic roof drain system.

Siphonic drainage was first introduced in the 1960 s in scandinavia and since then has been used widely across europe including the uk in the far east australasia south africa and the usa. By minimising the intake of air into the system the water creates a siphoning effect maximising the suction of the water into the outlet. Wh 301 401 501 601 siphonic overflow drain. The innovative component of the siphonic roof drainage system is the specially designed roof outlet which controls the pattern of discharge preventing air from entering the pipework.

A syphonic drainage system is not only cheaper to construct than a typical roof drainage system especially when a large industrial roof has to be covered but the system s design means there is no need for the pipe pitch or gradients found in typical roof drain piping. Wh 300 400 500 600 siphonic primary roof drain. The water is sucked or siphoned from the roof down into the drain at high velocity. Uv system is the only engineering firm in the united states focused solely on siphonic roof drainage.

A siphonic roof drain looks much like a traditional roof drain. By contrast a fully engineered siphonic roof drainage system contains an anti vortex plate that acts as a baffle and prevents air and debris from entering the piping system at full flow allowing the pipes to completely fill up with water. Wh 300 pg wh 400 pg siphonic deck drain. 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.

When sizing and installing a siphonic system there are a series of guidelines to be followed. The distinguishing feature of a siphonic roof drain is the air baffle. Wade siphonic drainage design request. Uv system designs and supplies its line of top performing siphonic roof drains to projects throughout the united states canada and mexico.