Siphonic Roof Rainwater Drainage System

When the rainfall is heavy enough the gullies create reduced pressure in the pipe system.

Siphonic roof rainwater drainage system.

This pump requires no external power as it is activated by rainfall filling the drain beyond its anti vortex plate at which point air flow to the pipe is cut off. The advantages of a wavin quickstream siphonic roof drainage system. For use in engineered siphonic roof drain age systems for gutters parapets small balconies sills cornices marquees and other small overhanging areas where drainage of rainwater is required. Pipes run level and full without air.

A siphonic roof drainage system however is said to prime during storm events and operate filled with water. Higher flow rates increases efficiency. 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. Instead syphonic drainage technology employs the use of a gravity induced vacuum pump to remove water at high velocity from multiple roof drains at once.

We are a leader in siphonic rainwater management with a design base of more than 35 000 systems worldwide. Unlike traditional roof drainage systems a siphonic system is designed to operate with the piping completely charged with water during a rainstorm. We provide design jas siphonic outlets hdpe piping systems supervision and installation services that can support our client needs whilst creating specific benefits and integration for your building project. 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.

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. Fewer roof outlets and downpipes smaller pipe diameter shorter pipe lengths takes up less space and reduces installation costs. 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. Air baffle creates siphonic drainage action producing a more efficient drainage than traditional gutter drains.

Jas siphonic is a specialist supplier of siphonic roof drainage systems. The original full bore flow roof rainwater drainage system. Many large industrial commercial and retail buildings are now fitted with siphonic drainage which has clear advantages over gravity drainage. Despite what its name may suggest the process of syphonic drainage does not actually involve the syphoning of water at all.