Siphonic Roof Drain

Providing more efficient drainage our hydromax siphonic roof drainage solutions will use less pipe material and save you money.

Siphonic roof drain.

The water is sucked or siphoned from the roof down into the drain at high velocity. The distinguishing feature of a siphonic roof drain is the air baffle. 2 2 mifab hydromax siphonic drainage a key feature of our siphonic system is the special mifab hydromax tm roof drain. By contrast a fully engineered siphonic roof drainage system contains an anti vortex plate that acts as a.

Unlike traditional roof drainage systems a siphonic system is designed to operate with the piping completely charged with water during a rainstorm. Find out where to buy. Baffle and prevents air and debris from entering the piping system at full flow allowing the pipes to completely fill up with water. 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.

This can only be achieved by assuring that no air is sucked in with the rain water and no bubble vortexes formed in the pipe system. Many large industrial commercial and retail buildings are now fitted with siphonic drainage which has clear advantages over gravity drainage. This air baffle is engineered and tested to prevent air from entering the piping system at peak flows. 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 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.

Siphonic drainage systems operate with specially designed flat roof drains which unlike gravity drainage systems are configured to work with completely full pipes degree of fill h d 1 0. The unique design incorporates a one piece inducer or air baffle plate securely fastened to the roof drain. 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. As a relatively shallow water depth builds.

A siphonic roof drain looks much like a traditional roof drain. Zurn offers a full line of siphonic roof drains featuring a dura coated ductile iron drain body. Atmospheric other than the baffle a siphonic roof drain has the same features. Siphonic building drainage zurn.

Wh 300 400 500 600 siphonic primary roof drain.