PE drainage pipes are classified by pipe structure

Haili admin
Mar/18/2025
PE drainage pipes are classified by pipe structure
PE drainage pipes can be divided into several main types according to the structure of the pipe wall and the production process, including PE solid wall drainage pipes, HDPE double-wall corrugated pipes, HDPE hollow wall winding pipes, and steel belt reinforced spiral corrugated pipes. Each pipe has different characteristics and applicable scenarios, which are specifically introduced as follows:

1. PE solid wall drainage pipe

1.1 Product Overview

PE solid wall pipe is the most basic PE drainage pipe. The pipe wall is a uniform solid structure with no internal cavity. It is consistent inside and outside. It is usually made of high-density polyethylene (HDPE) or low-density polyethylene (LDPE).


1.2 Main features

The pipe wall is thick and has strong pressure bearing capacity. It can be used for drainage pipes with a certain pressure.

It has strong corrosion resistance and can resist erosion by chemical media such as acid and alkali.

The inner wall is smooth, the friction coefficient is small, and the water flow resistance is small.

It is easy to construct and can be connected by hot melt butt welding, electric fusion connection, etc., with high connection reliability.


1.3 Applicable scenarios

Building drainage (indoor and outdoor drainage pipes)

Industrial sewage (transporting corrosive wastewater)

Rainwater discharge (small municipal pipe network)


1.4 Specification range

Diameter: DN20 DN1200

Pressure level: PN6, PN8, PN10, PN16

Color: black, blue, orange, white, etc.


2. HDPE double-wall corrugated pipe

2.1 Product Overview

HDPE double-wall corrugated pipe adopts a double-layer structure design: the outer wall is corrugated to enhance strength, and the inner wall is smooth to reduce fluid resistance. It is a lightweight and high-strength drainage pipe, widely used in underground drainage systems.


2.2 Main features

High strength and superior compressive performance: the corrugated outer wall structure greatly improves the ring stiffness of the pipe and can withstand greater soil pressure.

Lightweight and convenient: lighter than traditional cement pipes, more economical to transport and construct.

Strong corrosion resistance: HDPE material itself is resistant to acid and alkali corrosion and not easy to age.

Smooth inner wall and smooth drainage: low friction coefficient, improve fluid delivery efficiency.

Flexible connection: socket-type rubber ring connection, easy construction and good sealing performance.


2.3 Applicable scenarios

Municipal drainage (rainwater pipe network, sewage treatment system)

Highway/railway drainage (underground drainage pipe)

Farmland drainage (irrigation and drainage projects)


2.4 Specification range

Diameter: DN110 DN2000

Ring stiffness grade: SN4, SN8, SN10, SN12.5, SN16

Color: black, yellow, blue, etc.


3. HDPE hollow wall winding pipe (carat pipe)

3.1 Product Overview

HDPE hollow wall winding pipe (also known as carat pipe) is manufactured by spiral winding process, the pipe wall is a multi-layer structure, and a hollow cavity is formed to enhance the strength and durability of the pipe.


3.2 Main features

Large diameter drainage capacity: the pipe diameter can reach DN3000, suitable for large flow drainage projects.

Lightweight and convenient construction: lighter than cement pipes of the same specifications, with low installation cost.

High ring stiffness: can withstand higher external pressure, suitable for deep buried projects.

Corrosion resistance and long service life: HDPE material has excellent corrosion resistance and can last for more than 50 years.

Good welding sealing: hot melt butt welding or electric fusion welding is used to ensure that the pipeline is leak-free.


3.3 Applicable scenarios

Large-scale municipal drainage (rainwater and sewage transportation)

Sponge city construction (rainwater storage system)

Industrial sewage treatment (chemical wastewater discharge)


3.4 Specification range

Diameter: DN300 DN3000

Ring stiffness grade: SN8, SN10, SN12.5, SN16

Color: black, blue


4. Steel belt reinforced spiral corrugated pipe

4.1 Product Overview

Steel belt reinforced spiral corrugated pipe is to add a steel belt reinforcement layer to the HDPE pipe structure to improve the ring stiffness of the pipe, making it suitable for drainage projects with higher loads.


4.2 Main features

Ultra-high strength: The steel belt reinforced structure provides higher compressive resistance, suitable for deep burial and high load applications.

Impact resistance and corrosion resistance: The HDPE layer provides excellent corrosion resistance and is not easily corroded by chemicals.

Large-diameter conveying capacity: DN300 DN2400 specifications can be manufactured to meet large-flow drainage needs.

Good flexibility: It can adapt to ground subsidence and prevent cracking or leakage.

Easy construction: It adopts electric fusion connection and socket connection, which is quick to install.


4.3 Applicable scenarios

High-load municipal drainage system (urban trunk drainage network)

Large industrial sewage treatment (petrochemical, papermaking, metallurgical industry wastewater transportation)

Underground culvert drainage (culvert, tunnel drainage)


4.4 Specification range

Diameter: DN300 DN2400

Ring stiffness grade: SN8, SN10, SN12.5, SN16, SN20

Color: black, blue, orange

TypeStructural featuresStrengthApplicable scenariosConnection
PE solid wall pipeSolid wallHigherBuilding drainage, industrial sewageButt fusion, electric fusion
HDPE double wall corrugated pipeOuter corrugation + inner smoothHighMunicipal drainage, highway drainageSocket rubber ring connection
HDPE hollow wall spiral pipeHollow cavity reinforcementHigherLarge-scale municipal drainage and sewage treatmentHot melt welding
Steel belt reinforced spiral corrugated pipeSteel belt reinforcementSuperHigh pressure drainage, industrial sewageElectric fusion connection, socket connection



Send a Message

If you want to ask anything just fill in the form below and send us.

// News //

Our News

PE drainage pipes are classified by pipe structure
PE drainage pipes are classified by pipe structure

03/18/2025

PE drainage pipes can be divided into several main types according to the structure of the pipe wall...

Comprehensive inspection method for urban buried PE gas pipelines
Comprehensive inspection method for urban buried PE gas pipelines

03/18/2025

PE gas pipelines can be used as a type of pressure pipeline and are widely used in urban gas constru...

What does PE Mean in Pipe?
What does PE Mean in Pipe?

03/17/2025

Polyethylene (PE) pipe is a plastic pipe widely used in water supply, gas transmission, drainage, in...

Tee fittings and cross fittings
Tee fittings and cross fittings

03/14/2025

Pipe fittings play a crucial role in pipeline systems, ensuring secure and efficient fluid transport...

What are the common classifications of gas pipelines?
What are the common classifications of gas pipelines?

03/13/2025

PE gas pipe is a pipe made of high-density polyethylene (HDPE) or medium-density polyethylene (MDPE)...

What is the difference between a ball valve and a plug valve?
What is the difference between a ball valve and a plug valve?

03/13/2025

In the vast system of the industrial field, valves are like joints in the human body, controlling th...

// Our Products //

New Products

Double Wall Corrugated Pipe Fittings HDPE
Double Wall Corrugated Pipe Fittings HDPE

HDPE Pipe Fittings and Double Wall Corrugated Pipe Fittings are essential components in modern pipel...

Poly Pipe in Black/Blue Color for Water Supply
Poly Pipe in Black/Blue Color for Water Supply

Buy the best quality HDPE Pipe (Poly Pipe) In Black/Blue Color For Water Supply from Sunplast now. T...

HDPE SDR 11 2 inch Poly Pipe
HDPE SDR 11 2 inch Poly Pipe

HDPE SDR 11 2-inch poly pipe is a type of high-density polyethylene (HDPE) pipe commonly used in var...

PVC-U Water Supply Pipe
PVC-U Water Supply Pipe

As a mature water supply pipe material, rigid polyvinyl chloride (PVC-U) water supply pipe has the a...

HDPE Drainage Pipe Price List
HDPE Drainage Pipe Price List

HDPE Drainage Pipe is called high-density polyethylene double-wall corrugated pipe, referred to as H...

Aluminum Alloy Plastic Lined Composite Pipe
Aluminum Alloy Plastic Lined Composite Pipe

Aluminum alloy lined plastic composite pipe is a new type of practical pipe developed on the basis o...

ABS Water Outlet
ABS Water Outlet

ABS water outlets have become an ideal choice in water supply systems because of their corrosion res...

2 inch plastic water pipe roll
2 inch plastic water pipe roll

A 2-inch plastic water pipe roll refers to a type of flexible tubing made from plastic, typically hi...