Siphonic Roof Drainage System

The water is sucked or siphoned from the roof down into the drain at high velocity.

Siphonic roof drainage system.

Baffle and prevents air and debris from entering the piping system at full flow allowing the pipes to completely fill up with water. Comprising high quality stainless steel siphonic roof outlets high density polyethylene hdpe pipes fittings and a professional support package the siphonic roof drainage system allows the complete drainage of a roof without the requirement of a slope in the pipework thus saving valuable space. This air baffle is engineered and tested to prevent air from entering the piping system at peak flows. 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.

A siphonic drainage system has on the drainage points a baffle that prevents air from entering the system. A siphonic roof drain system is truly an engineered system to design a traditional roof drain system by code plumbing engineers simply follow prescriptive instructions in the code and read off of pre calculated standardized charts. Wh 300 400 500 600 siphonic primary roof drain. A siphonic roof drain looks much like a traditional roof drain.

This siphonic roof drainage presentation is proudly brought to you by syfon systems pty ltd specialists in siphonic roof drainage and gfrp glass fibre rein. Wh 300 pg wh 400 pg siphonic deck drain. The siphonic roof drainage system is based on the ingenious gravity induced vacuum principle. As a result the pipes have lower atmospheric pressure than the outside environment.

Siphonic systems must be designed with careful and expert analysis otherwise unfamiliar to a majority of. Atmospheric other than the baffle a siphonic roof drain has the same features. 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. Many large industrial commercial and retail buildings are now fitted with siphonic drainage which has clear advantages over gravity drainage.

By contrast a fully engineered siphonic roof drainage system contains an anti vortex plate that acts as a. The distinguishing feature of a siphonic roof drain is the air baffle. 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. 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.