Siphon-type Roof Rainwater Drain System Pipe and Fittings
Siphon-type drain system takes special rainwater head to absorb the rainwater and forms the full flow status in pipe. With the aid of potential energy due to the drop of architecture and falling water, the minus pressure is obtained in pipe so that the flow in rainwater head or horizontal can be pushed under additional pressure. Above phenomenon is called as siphon. siphon can expedite the flow in drain pipe and drain the roof rainwater more quickly.
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