What Is The Best Pipe To Use For Underground Drainage?

In the underground drainage system of municipal engineering, industrial projects and residential areas, the choice of pipes is very important. In the face of the mainstream PPR pipe, PVC pipe and HDPE pipe in the market, engineers and decision makers need to comprehensively consider multiple factors such as corrosion resistance, resistência de alta pressão, installation process and economic benefits. Although PPR pipe and PVC pipe can also meet the requirements under certain conditions, Tubo corrugado de parede dupla HDPE with high pressure performance and excellent corrosion resistance, has become an increasingly ideal choice in underground drainage systems.

Part 1, PPR Pipê: The Balance Choice of High Temperature Resistance and Corrosion Resistance

PPR Pipe Ccaracterísticas

Tubo PPR (random copolymer polypropylene pipe) is known for its high temperature resistance (long-term use temperature 70℃) and chemical corrosion resistance, and its molecular structure is stable, especially suitable for transporting industrial wastewater containing acid and alkali components. Its inner wall smoothness reaches Ra≤0.1μm, which can effectively reduce scale deposition.

Tubo PPR UMdvantages

Resistência à corrosão: Resists pH 2-12 liquids to avoid the risk of metal pipe rust

Conexão de fusão a quente: the strength of the welding reaches 90% of the body material, preventing potential leakage

Vida útil: design life of 50 anos, low maintenance cost

Tubo PPR Aplicativo Suggestions

Chemical park wastewater discharge system

Ground source heat pump circulating water pipe network

High temperature steam condensate recovery pipeline

PPR Pipe Analysis

The impact strength is only 20kJ/m² (23 °C), and the heavy duty vehicle rolling area should be avoided Linear expansion coefficient 0.15mm/(m·K), need to set expansion joint compensation

Part 2, PVC Pipê For Drainage Sistema: Cost-effective Choice

UMnalysis Of PVC U Pipê Performance Parameter

PVC-U Pipe (hard polyvinyl chloride pipe) with 0.6-1.6MPa ring stiffness and a cost advantage of 3-8$ per meter, occupy 60% share of the global underground drainage system. Its Vica softening point is ≥79℃, which can meet the requirements of conventional drainage temperature.

PVC U Pipe Advantage

Cost-effective: Cost of PVC U pipe raw material is 30%-40% lower than HDPE

Convenient construction: No professional equipment is required for socket connection, e a eficiência da instalação é aumentada em 50%

Biological Erosion Resistance: Not decomposed by microorganisms, suitable for sewage environment

PVC U Pipe Aaplicação

Residential rainwater collection network

Municipal road side ditch drainage system

Low corrosive industrial wastewater discharge

PVC U Pipe Using Tips

Low temperature impact resistance is poor (embrittlement temperature -5℃), the northern region needs to add a toughening agent

Long-term use temperature does not exceed 45 °C, avoid conveying high temperature media

Part 3, PEAD Pipê: UM Technical Model of High Precurso Resistance UMe Flexibility

The ring stiffness of HDPE double-wall corrugated pipe can reach SN8 level (8kN/m²), and the elastic bending rate of 1:100 has become the first choice for earthquake zones and settling areas. Its elongation at break exceeds 350% and can withstand 3% of foundation deformation.

Tubo corrugado de parede dupla HDPE characters

High pressure resistance: HDPE pipe has a very high pressure resistance, and can effectively resist external loads under underground stress conditions to ensure long-term stable operation. This is also one of the important reasons for choosing high pressure drainage pipes.

Resistência à corrosão: HDPE material itself has strong chemical resistance and corrosion resistance, whether it is industrial wastewater or urban sewage, HDPE pipe can maintain stable performance and become the ideal choice for corrosion resistant sewage pipes.

Light weight and easy to installation: HDPE pipe is light in weight, mais conveniente para transporte e instalação, and its flexible design makes it easier to adapt to terrain changes in the design specification of underground pipe network, reducing the risk caused by foundation settlement.

Longa vida útil: Because HDPE pipe is not susceptible to corrosion and aging, its service life can usually reach more than 50 anos, in line with international drainage pipe standards, to ensure the maximum return on investment.

Tubo corrugado de parede dupla HDPE advantage

Zero leakage connection: electric fusion connection to achieve molecular level fusion

Wear resistance: the wear coefficient is 4 times that of the steel pipe, suitable for the medium containing gravel

Eco-friendly: 100% reciclável, in line with green building standards

Tubo corrugado de parede dupla HDPE applicationé

Highway integrated pipe corridor drainage

Landfill leachate collection system

Coastal saline drainage works

Tubo corrugado de parede dupla HDPE custo

The use of winding structural wall pipe (HDPE-SSP) can reduce the material consumption by 15%

The life cycle cost is 40% lower than that of concrete pipe

Part 4,Comparison of HDPE Pipe,Tubo de PVC & Tubo PPR

Part 5,How To Choose The Correct Pipes

1. Geological conditions are preferred:

 Earthquake zone/soft ground → Select HDPE pipe

 Stable rock formation → Consider PVC pipe to reduce costs

2. Medium characteristics orientation:

 Oil/high temperature wastewater → PPR pipe

 Containing solid particles → HDPE double-wall bellows

3. Budget constraint considerations:

 Short-term project → PVC pipe

 Centennial Project → HDPE pipe

Fornecedor

Luoyang Datang Energia Tech Co., Ltda. é um fabricante chinês líder especializado em tubos e acessórios de plástico de alta qualidade. Equipada com linhas de produção automatizadas de última geração e apoiada por uma equipe de 200 profissionais, oferecemos uma extensa linha de produtos que compreende mais de 150 types of plastic pipes and fittings designed for water supply and drainage systems, transmissão de gás, e sistemas de aquecimento de piso. Nossos principais produtos incluem tubos e conexões de PVC, Educação Física (PEAD) Tubos e conexões, Tubos e conexões PPR, e tubos de aquecimento de piso PEX.

Se você tiver alguma dúvida sobre tubo de PVC,Tubo PPR & Tubo HDPE , por favor não hesite em contactar-nos!

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