Our advanced PVC pressure systems are the ultimate choice for an array of applications including drinking water, recycled water, sewage, and gas distribution. Experience the unparalleled performance and reliability that sets us apart.
At DHPI, we take immense pride in crafting a diverse range of premium quality PVC pressure pipes and fittings. Utilizing only the highest-grade raw materials and industry-leading practices, we ensure exceptional durability and performance.
PVC-UH represents the next evolution of PVC-U, offering enhanced features and diverse color options for various applications. It is ideally suited for water mains, water supply, recycled water, irrigation, and pressure sewerage systems. Standard pipes are available in 6m lengths with spigot and socket ends for efficient rubber ring jointing (RRJ).
Introducing our groundbreaking pressure sewage drainage pipe. It features an innovative online built-in integrated steel skeleton sealing connection structure that ensures swift and seamless installation. This design guarantees superior installation quality and connection integrity, effectively eliminating pipeline joint leakage and ensuring a zero-leakage pipe network with high strength.
The high-performance PVC-UH water supply pipe boasts an integrally formed steel skeleton sealing connection structure, ensuring exceptional connection reliability and tightness. This innovative design significantly enhances the pipe's mechanical properties, providing high strength, high pressure resistance, and superior ring stiffness. Perfect for outdoor burial and installation within pipe galleries.
Unmatched environmental adaptability: The enhanced toughness of our pipelines ensures remarkable resistance to point loads and uneven foundation settlement, making them perfect for non-standard construction and demanding conditions.
Outstanding chemical corrosion resistance: Our pipes withstand corrosion from a wide range of media, with no degradation from soil substances, ensuring a pipeline lifespan of over 50 years.
Superior hydraulic performance: Our pipes adeptly absorb impact energy from water pressure fluctuations, bolstering resistance to water hammer, reducing operational risks, enhancing water supply efficiency, and cutting down on operating 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: Suitable for DN20-DN50 Caliber
Elastic Socket Sealing Ring
For DN63-DN225 Calibers: Options of Solvent Socket Bonding or Elastic Socket Sealing Ring
For DN225 Calibers and Above: Elastic Socket Sealing Rings; Steel Skeleton Rubber Ring Range of 110-1200mm
Shandong Donghong Pipe Industry Co., Ltd. (stock code: 603856), affectionately known as Donghong Co., Ltd., is proudly headquartered in Qufu, China-the revered hometown of Confucius. As a premier manufacturer and service provider in the engineering pipeline industry, we excel in delivering comprehensive pipeline solutions. Our portfolio spans four distinct categories of high-functionality, customizable pipelines: specialized rainwater and sewage diversion pipelines, dedicated municipal pipelines, tailored industrial and mining pipelines, and bespoke pipelines for national key engineering projects. By collaborating with design institutes, financial institutions, port logistics, construction units, and a network of upstream and downstream enterprises, we have cultivated a robust industrial ecosystem. Our unwavering commitment is to revolutionize pipeline systems globally, making intelligent pipelines an integral part of enhancing human life and ensuring the unwavering safety of pipeline transportation.
On November 6, 2017, Donghong Pipe Industry made a historic leap by being listed on the Shanghai Stock Exchange, proudly becoming the first company in the plastic pipe industry to be listed on the main board!
In a testament to our excellence, the Donghong Pipe Industry Testing Center has been honored as a national CNAS testing center by the National Standards and Accreditation Committee, affirming our commitment to top-tier quality and standards.
Our factory is a testament to technological advancement, featuring a large storage bin and a fully automatic centralized mixing, blending, and transfer system. This cutting-edge setup ensures closed management of raw materials from production to extrusion, effectively preventing secondary contamination and guaranteeing superior product quality.
Donghong has established strategic partnerships with over five 5A-level logistics companies, leveraging years of extensive transportation expertise. Whether by road, rail, or sea, our multifaceted logistics network ensures that we deliver unparalleled service in any climate and to even the most remote or challenging destinations. Our comprehensive transportation strategy guarantees that every shipment reaches your site with speed and reliability, ensuring customer satisfaction every step of the way.
Shandong Donghong Pipe Industry Co., Ltd. is committed to excellence in customer satisfaction. Our unwavering dedication to service is exemplified through our 9S Full Worry-Free Service, meticulously designed to ensure that customers around the globe can enjoy the seamless and secure use of our innovative Reliable PVC-Uh Water Supply Pipe. We continuously refine our service offerings to meet and exceed your expectations, wherever you are.
| 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 successfully passed CE, BV, ISO, and WARS certifications, consistently surpassing the standard benchmarks. Feel free to inform us of your specific national standard requirements, and we will diligently verify or test our products to meet those criteria.
2. What kinds of services do you offer?
As a leading manufacturing factory, we offer an extensive range of products including pipes, pipe fittings, packaging, and shipping services. In addition, we excel as a professional consultancy, providing project advice, pipe system solutions, and design recommendations. Our engineering expertise allows us to offer pipeline contracting, repair services, and complimentary maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely! We provide customization options for material, specifications, logos, packaging, and connection methods. Furthermore, our expert team is equipped to offer tailored solutions for your specific projects, with a proven track record of successful implementations.
4. What are your terms of payment?
We accept payment via T/T or L/C at sight.
5. How do you guarantee the quality of your products?
We cordially invite all customers to visit our company and inspect our products firsthand. We can also conduct rigorous tests as per your requirements before placing an order. Additionally, we offer pre-production samples for your own testing to ensure product quality meets your standards.
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