Introducing our innovative low-pressure sewage drainage pipe, designed with an advanced online built-in integrated forming steel skeleton sealing connection structure. This ensures a swift and effortless installation process, guaranteeing top-tier installation quality and connection tightness. Our product effectively addresses the perennial issue of pipeline joint leakage, achieving a zero-leakage pipe network. With its superior strength, our solution offers unparalleled reliability.
Our high-performance PVC-UH water supply pipe boasts an integrally formed steel skeleton sealing connection structure, ensuring exceptional connection reliability and tightness. This advanced design significantly enhances the mechanical properties of the pipe, providing outstanding strength, high-pressure resistance, and remarkable ring stiffness. Ideal for outdoor buried installations and pipe gallery applications, this product is engineered to deliver superior performance in demanding environments.
Comprehensive Product Specification
| Nomina diameter dn/mm |
Nominal Pressure PN/Mpa |
| 0.5 |
0.63 |
0.8 |
1.0 |
1.25 |
1.6 |
2.0 |
2.5 |
| Nominal wall thickness en/mm |
| 110 |
- |
2.7 |
3.4 |
4.2 |
5.3 |
6.6 |
8.1 |
10.0 |
| 125 |
- |
3.1 |
3.9 |
4.8 |
6.0 |
7.4 |
9.2 |
11.4 |
| 140 |
- |
3.5 |
4.3 |
5.4 |
6.7 |
8.3 |
10.3 |
12.7 |
| 160 |
- |
4.0 |
4.9 |
6.2 |
7.7 |
9.5 |
11.8 |
14.6 |
| 180 |
- |
4.4 |
5.5 |
6.9 |
8.6 |
10.7 |
13.3 |
16.4 |
| 200 |
- |
4.9 |
6.2 |
7.7 |
9.6 |
11.9 |
14.7 |
18.2 |
| 225 |
- |
5.5 |
6.9 |
8.6 |
10.8 |
13.4 |
16.6 |
20.5 |
| 250 |
- |
6.2 |
7.7 |
9.6 |
11.9 |
14.8 |
18.4 |
22.7 |
| 280 |
- |
6.9 |
8.6 |
10.7 |
13.4 |
16.6 |
20.6 |
25.4 |
| 315 |
- |
7.7 |
9.7 |
12.1 |
15.0 |
18.7 |
23.2 |
28.6 |
| 355 |
- |
8.7 |
10.9 |
13.6 |
16.9 |
21.1 |
26.1 |
32.2 |
| 400 |
- |
9.8 |
12.3 |
15.3 |
19.1 |
23.7 |
29.4 |
36.3 |
| 450 |
- |
11.0 |
13.8 |
17.2 |
21.5 |
26.7 |
33.1 |
40.9 |
| 500 |
- |
12.3 |
15.3 |
19.1 |
23.9 |
29.7 |
36.8 |
45.4 |
| 560 |
- |
13.7 |
17.2 |
21.4 |
26.7 |
33.2 |
41.2 |
- |
| 630 |
- |
15.4 |
19.3 |
24.1 |
30.0 |
37.4 |
46.3 |
- |
| 710 |
- |
17.4 |
21.8 |
27.2 |
33.9 |
42.1 |
52.2 |
- |
| 800 |
15.7 |
19.6 |
24.5 |
30.6 |
38.1 |
47.4 |
- |
- |
| 900 |
17.6 |
22.0 |
27.6 |
34.4 |
42.9 |
53.3 |
- |
- |
| 1000 |
19.6 |
24.5 |
30.6 |
38.2 |
47.7 |
- |
- |
- |
| 1200 |
23.5 |
29.4 |
36.7 |
45.9 |
- |
- |
- |
- |
| 1400 |
27.4 |
34.3 |
42.9 |
53.5 |
- |
- |
- |
- |
| 1600 |
31.3 |
39.2 |
49.0 |
- |
- |
- |
- |
- |
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) proudly stands at its headquarters in Qufu, China-the esteemed hometown of Confucius. As a premier engineering pipeline manufacturer, pipeline engineering service provider, and pipeline engineering general contractor, our company specializes in four key categories of functional and customized pipelines: rainwater and sewage diversion pipelines, municipal area pipelines, industrial and mining area pipelines, and pipelines for national key engineering projects. We have cultivated a robust industrial ecosystem involving design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. Our mission is to elevate the global pipeline industry by offering comprehensive pipeline system solutions, revolutionizing human life through intelligent pipeline technology and ensuring the consistent safety of pipeline transportation.
On November 6, 2017, Donghong Pipe Industry made history by being listed on the Shanghai Stock Exchange. This milestone achievement marked us as the first company in the plastic pipe industry to be listed on the main board!
The Donghong Pipe Industry Testing Center has earned the prestigious designation of a national CNAS testing center, as recognized by the National Standards and Accreditation Committee.
Our factory boasts advanced infrastructure, including a large storage bin and a fully automatic centralized mixing, blending, and transfer system. This state-of-the-art setup ensures closed-loop management from raw material production to extrusion, effectively preventing secondary contamination and guaranteeing superior product quality.
Donghong has cultivated strategic alliances with over five elite 5A-level logistics companies, boasting extensive experience in diverse modes of transportation. Whether it's by road, rail, port, or sea, our robust logistics network ensures seamless delivery in any climate, to any location, no matter how remote or challenging. Our holistic transportation strategy is crafted to guarantee prompt delivery of every consignment directly to your doorstep, reflecting our unwavering commitment to exceptional service.
Donghong is committed to continuously enhancing the intricacies of our service. We have established a robust 9S full worry-free service framework to ensure that customers, no matter where they are in the world, can seamlessly and securely utilize Donghong products without any hitches.
| Full technical support from an expert team |
Answers to product technical questions |
Construction and installation guidance, material budget |
1. Does your product meet international standards?
Our products have passed CE, BV, ISO, and WARS certifications, with all figures exceeding the standard requirements. Rest assured, you can inform us of the specific national standard you need, and we will verify or test it for you.
2. What kind of services do you offer?
As a manufacturing facility, we provide a comprehensive range of pipe products, pipe fittings, packaging, and shipping services. As a professional consulting company, we offer project consulting advice, pipe system solutions, and design suggestions. Additionally, as an engineering-focused enterprise, we provide pipeline contracting services, pipe repair services, and free maintenance guidance.
3. Do you support OEM/ODM services?
Yes, we offer customization in material, specifications, logos, packaging, connection methods, and more. Additionally, our expert team can provide solution suggestions for your specific projects, with numerous successful cases to showcase our capabilities.
4. What are your terms of payment?
We accept T/T or L/C at sight.
5. How can you guarantee the quality of the goods you offer?
We warmly welcome all customers to visit our company and inspect our goods in person. We can also conduct strict tests as per customer requirements before the order is placed. Additionally, before bulk production, we can dispatch samples for customers to conduct their own tests to ensure product quality.
Audited Supplier 
){kind=link}
){kind=link}