HDPE Siphon Pipe - Hualin Pipe Technology

HDPE 사이펀 파이프

HDPE siphon pipes are generally black. Siphon drainage, also known as roof siphon rainwater drainage system, forms a full pipe flow when there is no slope in the horizontal pipe, and drains the accumulated water on the roof at a very fast speed.

HDPE Siphon Pipe Manufacturer in China

The inner and outer surfaces of HDPE siphon pipes and fittings should be clean and smooth, without any defects such as bubbles, obvious scratches, dents, impurities and color. The pipe ends should be cut flat and perpendicular to the axis.

‌Our HDPE siphon pipes are made from 100% virgin material, featuring smooth inner and outer surfaces, high temperature resistance, high pressure resistance, and negative pressure drainage. Horizontal pipes require no slope, saving space and improving drainage efficiency. They are suitable for municipal engineering, transportation/road and bridge construction, large factories, exhibition halls, gymnasiums, and high-speed rail station drainage projects.

HDPE 사이펀 파이프

HDPE 사이펀 파이프

HDPE 사이펀 파이프

HDPE Siphon Pipe Sizes & Specifications

Siphon Drainage Principle

The core of a siphonic drainage system is to utilize the pressure differential of liquids within a sealed pipe to achieve automatic drainage.

When the rooftop rainwater level exceeds the height of the gutter, a specially designed anti-vortex gutter controls the flow rate of rainwater entering the gutter, adjusts the flow pattern, and reduces vortices. This, in turn, reduces the amount of air entrained by rainwater entering the system, allowing the drainage pipe to remain full. By leveraging the height of the building roof and the potential energy of the rainwater, a siphonic effect is created as the rainwater continuously flows through the rainwater suspension pipe and into the rainwater riser.

Advantages of HDPE Siphon Pipes

High drainage efficiency: The siphon effect significantly increases water flow speed, making drainage efficiency 35 times higher than traditional gravity drainage. Even in heavy rain, rainwater can be quickly drained from the roof.

Save space and cost: Due to the large discharge volume of siphonic drainage pipes, the diameter of the drainage pipes using the siphonic drainage system is usually smaller than that of the gravity drainage system, and the diameter can be reduced by 30%-50%. For example, if the gravity drainage pipe is DN110, the diameter can be DN75 when using siphonic drainage. The overall length of the siphonic drainage pipe is shorter, the installation is relatively simple, and the pipe cost and installation fee are relatively low.

Flexible layout: The rainwater gutter can be flexibly arranged according to the actual situation of the roof to adapt to different types of roofs, and the rainwater suspension pipe can be laid without slope.

Easy maintenance: The system’s unique self-cleaning design significantly reduces the risk of clogging. The high water velocity in the system allows for excellent self-cleaning.

HUALIN HDPE Siphon Pipe Applications Explored

HDPE siphon pipes are mainly used for draining rainwater and snowwater from building roofs. They achieve rapid drainage through the siphon principle and prevent water accumulation and leakage. Municipal Engineering: Suitable for urban road drainage, park and scenic area drainage, and other scenarios, supporting large-flow drainage needs. Environmental Engineering: Used for hillside development, slope soil and water conservation, and underground drainage system construction.

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What is a HDPE Siphon Pipe?

HDPE siphon pipe is a special siphon drainage pipe made of high-density polyethylene (HDPE), mainly used for efficient drainage of rainwater from building roofs.

How to Install HDPE Siphon Pipe？

1.Rainwater pipes should be installed according to the design’s location. Suspended pipes should be installed horizontally without slope.

2.Inspection ports should be installed on rainwater risers as specified, with the center of the ports 1.0 m from the ground. When using high-density polyethylene (HDPE) pipe, the maximum spacing between inspection ports should not exceed 30 m.

3.Connecting elbows between rainwater horizontal pipes and risers, and between risers and discharge pipes, should use two 45° elbows or 90° elbows with an R ≥ 4D.

4.Where rainwater pipes pass through walls and floors, sleeves should be installed as required.

5.During installation, open openings in pipes and rainwater gullies should be sealed.

6.Suspension systems should avoid crossing building settlement joints and expansion joints. When this is unavoidable due to site conditions, appropriate measures should be taken based on the characteristics of the system pipes and the deflection of different pipe materials.

HDPE 사이펀 파이프

HDPE Siphon Pipe Manufacturer in China

HDPE 사이펀 파이프

HDPE Siphon Pipe Sizes & Specifications

Siphon Drainage Principle

Advantages of HDPE Siphon Pipes

HUALIN HDPE Siphon Pipe Applications Explored

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관련 기사

PE 일렉트로퓨전 용접이란?

PE 스틸 와이어 메쉬 복합 파이프는 무엇입니까?

트렌치리스 PE 파이프 기술에 대한 종합 가이드

사이펀 배수 시스템에 HDPE 파이프를 사용하는 이유는 무엇입니까?

파이프 규격 지정 – 종합 가이드

PE 파이프 벽 두께 계산 방법

HDPE 사이펀 파이프

오늘 문의 보내기

HDPE Siphon Pipe Manufacturer in China

HDPE 사이펀 파이프

HDPE Siphon Pipe Sizes & Specifications

Siphon Drainage Principle

오늘 문의 보내기

Advantages of HDPE Siphon Pipes

오늘 문의 보내기

HUALIN HDPE Siphon Pipe Applications Explored

자주 묻는 질문

관련 기사

PE 일렉트로퓨전 용접이란?

PE 스틸 와이어 메쉬 복합 파이프는 무엇입니까?

트렌치리스 PE 파이프 기술에 대한 종합 가이드

사이펀 배수 시스템에 HDPE 파이프를 사용하는 이유는 무엇입니까?

파이프 규격 지정 – 종합 가이드

PE 파이프 벽 두께 계산 방법