Siphonic Roof Drainage System

This air baffle is engineered and tested to prevent air from entering the piping system at peak flows.

Siphonic roof drainage 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. Wade siphonic drainage design request. Wh 300 pg wh 400 pg siphonic deck drain. 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.

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. Atmospheric other than the baffle a siphonic roof drain has the same features. Many large industrial commercial and retail buildings are now fitted with siphonic drainage which has clear advantages over gravity drainage.

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 301 401 501 601 siphonic overflow drain. Thus when water enters the drain it meets an area of lower pressure in the drain and is pulled in faster than it would be by gravity alone. A siphonic roof drain looks much like a traditional roof drain.

A siphonic drainage system has on the drainage points a baffle that prevents air from entering the 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. As a result the pipes have lower atmospheric pressure than the outside environment. The siphonic roof drainage system is based on the ingenious gravity induced vacuum principle.

Wh 300 400 500 600 siphonic primary roof drain. 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 water is sucked or siphoned from the roof down into the drain at high velocity. Siphonic systems must be designed with careful and expert analysis otherwise unfamiliar to a majority of.