PVC-U double-wall corrugated pipe

Category: Drainage and sewage pipe

Description：PVC-U double-wall corrugated pipes have advantages such as easy installation, low resistance, low cost, and strong corrosion resistance. Their overall performance far exceeds that of traditional metal pipes and concrete pipes, making them a replacement product for engineering piping materials, widely used in underground pipeline systems.

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Description

　Product Introduction

PVC-U double-wall corrugated pipes have advantages such as easy installation, low resistance, low cost, and strong corrosion resistance. Their overall performance far exceeds that of traditional metal and concrete pipes, making them a replacement product for engineering pipes, widely used in underground pipeline systems.

　　Product Features

1. PVC double-wall corrugated pipes have excellent corrosion resistance: They exhibit outstanding resistance to acids, alkalis, salts, and other media, making them suitable for the chemical industry;

2. PVC double-wall corrugated pipes have a low friction coefficient: The wall surface is smooth, with a roughness coefficient of only 0.009, which is lower than that of other pipe materials, resulting in low resistance to fluid flow. Under the same flow rate, the pipe diameter can be reduced, which is beneficial for wiring due to the low friction coefficient;

3. PVC double-wall corrugated pipes have high ring stiffness: The hollow ring structure significantly enhances the ring stiffness of the pipe material;

4. PVC double-wall corrugated pipes have good electrical insulation: They possess excellent electrical insulation properties and can be used for conduits for wires and cables;

5. PVC double-wall corrugated pipes have good wear resistance: They exhibit good wear resistance, resulting in a longer service life;

6. Lightweight: Easy to handle and unload, saving labor costs; convenient connections and quick construction; overall low cost;

7. Good connection sealing: The use of elastic sealing rings for socket connections provides significantly better sealing than metal and concrete pipes.

　　Application Fields

1. Underground fiber optic and cable conduits for telecommunications and electrical engineering;

2. Municipal engineering, underground drainage and sewage pipelines in buildings;

3. Embedded conduits for roads such as highways and railways;

4. Irrigation in farmland and transportation pipelines for aquaculture;

5. Transportation of fluids in chemical and mining industries.

Specifications of PVC-U Double-Wall Corrugated Pipes
Nominal Size DN/OD	Minimum Average Outer Diameter dem,min	Maximum Average Outer Diameter dem,max	Minimum Average Inner Diameter dim,min	Minimum Lamination Wall Thickness emin	Minimum Inner Layer Wall Thickness e1,min	Minimum Socket Joint Length Amin
160	159.1	160.5	135	1.2	1.0	42
200	198.8	200.6	172	1.4	1.1	50
250	248.5	250.8	216	1.7	1.4	55
315	313.2	316.0	270	1.9	1.6	62
400	397.6	401.2	340	2.3	2.0	70
500	497.0	501.5	432	2.8	2.8	80
630	626.3	631.9	540	3.3	3.3	93
710	705.7	712.2	614	3.8	3.8	101
800	795.2	802.4	680	4.1	4.1	110
1000	994.0	1003.0	854	5.0	5.0	130