Discover the unmatched versatility and reliability of our premium PVC pressure systems, meticulously engineered to meet the rigorous demands of various applications. Whether it's drinking water, recycled water, sewage, or gas distribution, our robust systems ensure safe, efficient, and long-lasting performance, catering to all your essential utility needs seamlessly.
At Shandong Donghong Pipe Industry Co., Ltd. (DHPI), we pride ourselves on presenting a meticulously crafted range of superior PVC pressure pipes and fittings. Our unwavering commitment to excellence propels us to use only the finest raw materials and state-of-the-art manufacturing practices, ensuring top-tier products in every facet.
Experience the pinnacle of advanced technology with our PVC-UH pipes, a significant upgrade from traditional PVC-U. Available in a multitude of colors tailored for specific applications, these pipes are ideal for watermains, water supply, recycled water systems, irrigation, and pressure sewerage solutions. Each pipe comes in standard 6-meter lengths with spigot and socket ends for efficient rubber ring jointing (RRJ), guaranteeing seamless and secure connectivity.
Introducing our revolutionary pressure sewage drainage pipe, featuring an innovative built-in steel skeleton sealing connection structure. This advanced design ensures quick and effortless installation, exceptional quality, and tight connections, effectively eliminating joint leakage for reliable zero-leakage operation. These pipes offer unparalleled strength and dependability for critical applications.
Our high-performance PVC-UH water supply pipes are engineered with a robust integrally-formed steel skeleton, ensuring superior connection reliability and tightness. The advanced design significantly enhances mechanical properties, providing exceptional strength, high-pressure handling, and outstanding ring stiffness. Perfectly suited for outdoor buried installations and pipe galleries, these pipes promise unmatched performance.
Unmatched Environmental Adaptability: Our pipes exhibit extraordinary toughness, effectively countering point loads and uneven foundation settlements. They are expertly engineered for non-standard construction environments and the most demanding working conditions, ensuring reliable performance in all scenarios.
Outstanding Chemical Corrosion Resistance: Our pipes offer exceptional resistance to a wide array of media corrosion, ensuring longevity by preventing degradation from substances in the soil. Built to last, these pipes boast a lifespan exceeding 50 years, making them a long-term solution for your infrastructural needs.
Superior Hydraulic Performance: Our pipes proficiently absorb impact energy from water pressure fluctuations, significantly enhancing their ability to withstand water hammer effects. This results in improved operational safety, increased water supply efficiency, and reduced operating costs, making them the optimal choice for sustained performance.
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 DN63-DN225 calibers, enjoy the flexibility of choosing between a solvent socket bonding connection or an elastic socket sealing ring. This dual-option design ensures a perfect fit for diverse requirements.
For DN225 calibers and above, we provide robust elastic socket sealing rings. Our extensive steel skeleton rubber ring range accommodates calibers from 110mm to an impressive 1200mm, guaranteeing unmatched versatility and durability.
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. As a premier engineering pipeline manufacturer, pipeline engineering service provider, and general contractor, we excel in four specialized categories of functional and customized pipelines: bespoke pipelines for rainwater and sewage diversion, dedicated pipelines for municipal use, specialized pipelines for industrial and mining sectors, and essential pipelines for national key engineering projects. Donghong Co., Ltd. has meticulously crafted an industrial ecosystem that integrates design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. Our unwavering commitment is to evolve into a global pioneer in providing comprehensive pipeline system solutions, revolutionizing human life with intelligent pipelines and ensuring the utmost safety in pipeline transportation.
On November 6, 2017, Donghong Pipe Industry proudly made its debut on the Shanghai Stock Exchange, marking a significant milestone as the first publicly listed company on the main board within the plastic pipe industry!
The Donghong Pipe Industry Testing Center has achieved national recognition by earning the prestigious CNAS accreditation from 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. This advanced setup ensures closed management of raw materials from production to extruder entry, efficiently preventing secondary contamination and guaranteeing superior product quality.
Donghong has forged elite partnerships with over five top-tier 5A-level logistics companies, boasting years of unparalleled transportation expertise. By leveraging a diverse array of logistics options, including automobile, railway, and maritime shipping, we ensure seamless deliveries regardless of extreme weather conditions or remote locations. Our robust and comprehensive transportation strategy guarantees that every shipment reaches the customer's site with unmatched speed and reliability, providing you with unparalleled service excellence.
Donghong continuously elevates service excellence by refining every detail, establishing our comprehensive 9S full worry-free service. This ensures that customers across the globe can enjoy the seamless and secure use of Donghong products. With our meticulous attention to customer satisfaction and our global reach, Donghong is committed to providing not just products, but peace of mind.
| 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 proudly exceed international benchmarks, boasting certifications such as CE, BV, ISO, and WARS. We guarantee that all our metrics surpass standard requirements. Should you have specific national standards in mind, please inform us, and we will ensure our products meet or surpass those criteria through thorough verification or testing.
2. What services do you offer?
At Shandong Donghong Pipe Industry Co., Ltd., we pride ourselves on a comprehensive suite of services. As a premier manufacturing factory, we deliver top-tier pipe products, fittings, packaging, and shipping solutions. Our expertise extends to professional consultancy, providing project consulting, tailored pipe system solutions, and bespoke design recommendations. Furthermore, being an engineering-centric enterprise, we offer unparalleled pipeline contractor services, specialized pipe repair services, and complimentary maintenance guidance to ensure the longevity and efficiency of your systems.
3. Do you support OEM/ODM services?
Absolutely, we specialize in OEM/ODM services, allowing for extensive customization in materials, specifications, logos, packaging, and connection methods. Our expert team is adept at crafting tailor-made solutions to fit your unique project requirements, backed by a history of successful implementations.
4. What are your terms of payment?
We are flexible with our payment terms, accepting both T/T and L/C at sight for your convenience.
5. How do you guarantee the quality of your goods?
We uphold the highest standards of quality assurance and warmly invite all customers to personally visit and inspect our facilities and products. For your peace of mind, we conduct stringent testing as per your specific requirements before order placement. Moreover, we can provide samples prior to bulk production, enabling you to perform your own quality tests and ensure our products meet your expectations.
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