Our PVC pressure systems are the epitome of versatility and reliability, extensively utilized for the distribution of drinking water, recycled water, sewage, and gas.
At DHPI, we take immense pride in delivering a diverse assortment of premium-quality PVC pressure pipes and fittings. Our commitment to excellence means we use only the finest raw materials and adhere to the industry's best practices.
PVC-UH is an advanced product of PVC-U, available in a range of colors tailored for various applications. Ideal for Watermains, Water supply, Recycled water, Irrigation, and Pressure sewerage, these pipes come in standardized 6m lengths with spigot and socket ends designed for rubber ring jointing (RRJ).
Introducing our groundbreaking pressure sewage drainage pipe: engineered with an innovative, built-in, integrated forming steel skeleton sealing connection structure. This design ensures quick and easy installation, superior installation quality, and connection tightness, effectively eliminating pipeline joint leakage and achieving zero-leakage pipe network operation. These products boast exceptional strength.
The high-performance PVC-UH water supply pipe features an integrally formed steel skeleton sealing connection structure, guaranteeing unmatched connection reliability and tightness. This design significantly enhances the pipe's mechanical properties, offering high strength, high pressure, and high ring stiffness. Ideal for outdoor buried installations and pipe gallery applications.
Unmatched Environmental Adaptability: Our pipelines exhibit enhanced toughness, effectively resisting point loads and uneven foundation settlement. Perfectly suited for non-standard constructions and the most challenging working conditions.
Superior Chemical Corrosion Resistance: Our pipes can withstand corrosion from a multitude of media, ensuring the substances in the soil do not degrade the pipeline. With a lifespan of ≥50 years, longevity is guaranteed.
Exceptional Hydraulic Performance: Designed to absorb impact energy from water pressure fluctuations, our pipes enhance resistance to water hammer, minimize operating risks, improve water supply efficiency, and reduce operational costs.
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 |
- |
- |
- |
- |
- |
Solvent Socket Bonding Type
Solvent Socket Bonding Type: DN20-DN50 Caliber
Elastic Socket Sealing Ring
For N63-DN225 calibers, choose either Solvent Socket Bonding or Elastic Socket Sealing Ring for optimal performance.
For DN225 calibers and above, utilize Elastic Socket Sealing Rings. Steel skeleton rubber ring range extends from 110mm to 1200mm, ensuring robust and reliable sealing.
Shandong Donghong Pipe Industry Co., Ltd. (stock code: 603856), fondly known as Donghong Co., Ltd., is headquartered in the illustrious town of Qufu, China-the birthplace of Confucius. As a premier engineering pipeline manufacturer and service provider, we specialize in four distinct categories of functional and customized pipelines: rainwater and sewage diversion pipelines, municipal area pipelines, industrial and mining area pipelines, and those designed for national key engineering projects. Donghong Co., Ltd. has crafted a robust industrial ecosystem that encompasses design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. Our unwavering commitment is to become a global frontrunner in comprehensive pipeline system solutions, revolutionizing human life with intelligent pipelines and ensuring the perpetual safety of pipeline transportation.
On November 6, 2017, Donghong Pipe Industry made a historic debut on the Shanghai Stock Exchange, proudly becoming 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 by the National Standards and Accreditation Committee.
Our state-of-the-art factory boasts a large storage bin and a fully automatic centralized mixing, blending, and transfer system, ensuring closed management of raw materials from production to extruder entry. This advanced setup effectively prevents secondary contamination and guarantees impeccable product quality.
Donghong has established strategic partnerships with over five 5A-level logistics companies, bringing years of seasoned transportation expertise to the table. Whether via roadways, railways, or maritime routes, we seamlessly integrate multiple transportation modes to ensure your product arrives in perfect condition. Regardless of extreme temperatures or challenging terrains, our robust and comprehensive transportation strategy guarantees prompt and reliable delivery to your doorstep.
Donghong continuously refines its service excellence by implementing the comprehensive 9S full worry-free service. This meticulous approach ensures that customers, no matter where they are in the world, can utilize Donghong products with utmost ease and safety.
| 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 WAR certificates. All figures indicate performance higher than standard requirements. Feel free to let us know which national standard you require, and we will check or test it accordingly.
2. What kinds of services do you offer?
As a manufacturing factory, we provide high-quality 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. Our professional team can provide solution suggestions for your specific projects, and we have successful cases showcasing these services.
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. We can also conduct strict tests as per customer requirements before the order. Additionally, before bulk production, we can dispatch samples for customers to conduct their own tests to qualify the products.
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