Our state-of-the-art PVC pressure systems are extensively utilized across a diverse range of applications, including drinking water, recycled water, sewage, and gas distribution. These systems are engineered to provide robust and reliable performance in municipal engineering projects.
Shandong Donghong Pipe Industry Co., Ltd. (DHPI) is committed to excellence, proudly offering an extensive selection of premium PVC pressure pipes and fittings. We employ the highest quality raw materials and adhere to industry-leading practices to ensure unmatched durability and performance.
Our advanced PVC-UH pipes represent the next generation of PVC-U technology. Available in various colors to suit different applications, these pipes are ideal for water mains, water supply, recycled water, irrigation, and pressure sewerage. Each pipe is provided in standard 6-meter effective lengths and features spigot and socket ends for easy rubber ring jointing (RRJ).
Introducing an innovative solution for pressure sewage drainage: our pipes feature an integrated built-in steel skeleton sealing connection structure for rapid and convenient installation. This design ensures superior installation quality and connection tightness, effectively eliminating pipeline joint leakage and achieving zero-leakage operation. Our products boast high strength and reliability.
Our high-performance PVC-UH water supply pipes incorporate an integrally formed steel skeleton to ensure excellent connection reliability and tightness. This innovative design significantly enhances the mechanical properties of the pipes, providing high strength, high pressure resistance, and exceptional ring stiffness. Ideal for outdoor buried installations and pipe gallery applications, our products are built to last.
Our pipelines are engineered for strong environmental adaptability. Enhanced toughness allows them to withstand point loads and uneven foundation settlement, making them suitable for non-standard construction and challenging working conditions.
With superior chemical corrosion resistance, our pipes can withstand various corrosive media, ensuring that soil substances do not degrade the pipeline. Designed for longevity, our pipelines have a lifespan of 50 years or more.
Exceptional hydraulic performance is a hallmark of our pipes. They effectively absorb impact energy from water pressure fluctuations, enhancing the pipeline's resistance to water hammer, reducing operational risks, improving water supply efficiency, and cutting 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 |
- |
- |
- |
- |
- |
Advanced Solvent Socket Bonding Type
Solvent Socket Bonding Type: Compatible with DN20-DN50 Calibers
Reliable Elastic Socket Sealing Ring
Versatile Options for N63-DN225 Calibers: Solvent Socket Bonding or Elastic Socket Sealing Ring
Robust DN225 Calibers and Above: Elastic Socket Sealing Rings with Steel Skeleton Rubber Ring Range from 110-1200mm
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) is headquartered in Qufu, China, the illustrious hometown of Confucius. We stand as a premier engineering pipeline manufacturer, renowned pipeline engineering service provider, and a distinguished pipeline engineering general contractor. Our core business encompasses four pivotal categories of high-function, customized pipelines: dedicated pipelines for rainwater and sewage diversion, specialized pipelines for municipal areas, tailored pipelines for industrial and mining zones, and bespoke pipelines for national key engineering projects. Donghong Co., Ltd. has expertly constructed a comprehensive industrial ecosystem, collaborating seamlessly with design institutes, financial institutions, port logistics, construction units, and a range of upstream and downstream enterprises. Our unwavering commitment is to transform into a global leader in pipeline system solutions, leveraging intelligent pipelines to enhance human life and ensure the unwavering safety of pipeline transportation.
On November 6, 2017, Donghong Pipe Industry proudly marked its milestone by being listed on the Shanghai Stock Exchange, thus achieving the prestigious distinction of becoming the first publicly listed company on the main board in the plastic pipe industry!
The Donghong Pipe Industry Testing Center has earned the esteemed designation of a national CNAS testing center, accredited by the National Standards and Accreditation Committee.
Our state-of-the-art factory is equipped with a large storage bin, and a fully automatic centralized mixing, blending, and transfer system. This system ensures closed management of raw materials from production through to the extruder, effectively avoiding secondary contamination and guaranteeing superior product quality.
Donghong has established strategic partnerships with over five 5A-level logistics companies, leveraging years of transportation expertise. By seamlessly integrating automobile transport, railway systems, port services, and shipping logistics, we provide unparalleled delivery solutions. Regardless of extreme temperatures or remote and challenging locations, our comprehensive transportation strategy ensures that every shipment reaches its destination promptly and efficiently. Experience the pinnacle of logistics service with Donghong, where your satisfaction is our utmost priority.
Donghong continuously enhances its service excellence by implementing the 9S full worry-free service. This meticulous approach guarantees that customers worldwide can use Donghong products with utmost ease and confidence, ensuring smooth and safe operations at all times.
| 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 are certified by CE, BV, ISO, and WARS, surpassing international standards. Please let us know the specific national standard you require, and we will verify or test it accordingly.
2. What services do you offer?
As a manufacturing factory, we provide pipes, pipe fittings, packaging, and shipping. As a professional consulting company, we offer project consulting, pipe system solutions, and design suggestions. As an engineering-focused enterprise, we also provide pipeline contracting, repair services, and free maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely, we offer customization in material, specifications, logos, packaging, and connection methods. Our expert team can provide tailored solutions for your specific projects, with numerous successful cases to our credit.
4. What are your terms of payment?
Payment terms are T/T or L/C at sight.
5. How can you guarantee the quality of the goods you offer?
We warmly welcome customers to visit our company and inspect our goods firsthand. We can also conduct rigorous testing as per customer requirements before orders. Additionally, we can dispatch samples for customers to perform their own tests before bulk production.
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