Siphonic Roof Drainage System Design

With a flat level design long horizontal runs above overhead ceilings are pos sible as shown in illustration 4.

Siphonic roof drainage system design.

Siphonic roof drainage systems at low rainfall intensities and flow rates a siphonic system operates similarly to a conventional system with water flowing through the pipe network at atmospheric pressure. A vertical drop from the roof level to some lower level and 3. The siphonic roof drainage system is based on the ingenious gravity induced vacuum principle allowing a quick and efficient way of draining roofs comprising various shapes and gradients. A professional support package is provided to clients based on sound engineering principles.

Siphonic roof drainage is not so much a system in terms of a pre engineered product or package. Unlike traditional roof drainage systems a siphonic system is designed to operate with the piping completely charged with water during a rainstorm. Either the contractors or the designers. It is instead a technique of no pitch pipe design used to achieve desired flow from roof drains to point s of discharge.

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. One or more roof drains 2. 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. A point of discharge.

When the rainfall is heavy enough the gullies create reduced pressure in the pipe system. The siphonic roof drainage system is based on the ingenious gravity induced vacuum principle. Contact roofing consultants today using our contact form for a quote. An overview of siphonic roof drainage systems all roof drainage systems have three main elements in common beyond the fact that they all use pipes to convey the water.

Aco siphonic drainage traffic free roof areas which are no larger than 150 m2 such as production buildings hangars or sports stadiums are suitable applications for siphonic drainage.