Learning Siphonic Roof Drainage

The Principle of SRDSRD原理

A siphonic system has:

only one downpipe (1) and
one or more roof drains (2)

Note:
In a siphonic system all roof drains must be the same type. It is not permitted to change single roof drains in a siphonic system. But one can change all roof drain in a siphonic system when required.

个虹吸式系统包含：

仅有一个落水管（1）和
一个或多个屋面排水管

注:
在一个虹吸式系统里，所有的屋面水管必须为同一型号，不允许对单个管道进行改动。但可以对一个虹吸式系统里的所有屋面管道进行改动，如果需要的话。

This information is based on German laws, standard, and regulations (rules). We shall give no guaratee that the information is suitable for use in other countries or that it is in accordance with the rules in place there. Nevertheless, we are unable to guarantee the correcrness, completeness and up-to-dateness of the information and therefore exclude any liability in this respect. Subject to change without notice. © Keidel GmbH 2012. All rights reserved.

Learning Siphonic Roof Drainage 虹吸式屋面雨水排水系统学习