Our premium high-pressure PVC water transmission systems are indispensable for a multitude of applications, including drinking water, recycled water, sewage, and gas distribution. Experience the reliability and versatility that our top-tier PVC pressure solutions bring to your projects.
At Shandong Donghong Pipe Industry Co., Ltd. (DHPI), we take immense pride in our meticulously crafted range of high-quality PVC pressure pipes and fittings. Our unwavering commitment to excellence ensures that we use only the finest raw materials and implement the most advanced manufacturing practices in the industry, delivering unparalleled quality and durability.
Our PVC-UH pipes represent a significant upgrade from traditional PVC-U. Available in a variety of colors tailored for specific applications, these pipes are perfect for water mains, water supply, recycled water systems, irrigation, and pressure sewerage solutions. Each pipe is provided in standard 6-meter lengths with spigot and socket ends for efficient rubber ring jointing (RRJ), ensuring seamless and reliable connectivity.
Introducing our groundbreaking pressure sewage drainage pipe, designed with an innovative built-in steel skeleton sealing connection structure. This ensures rapid and effortless installation, superior installation quality, and tight connections, effectively eliminating joint leakage and guaranteeing zero-leakage operation. These pipes are engineered for high strength and reliability.
Our high-performance PVC-UH water supply pipes feature a robust integrally formed steel skeleton, guaranteeing superior connection reliability and tightness. The advanced design significantly enhances the mechanical properties, delivering exceptional strength, high pressure handling capability, and superior ring stiffness. These pipes are ideal for outdoor buried ground installations and pipe galleries.
Unmatched Environmental Adaptability: Our pipes exhibit remarkable toughness, effectively countering point loads and uneven foundation settlements. They are perfectly suited for non-standard construction practices and the most demanding working conditions, ensuring long-lasting performance and reliability.
Outstanding Chemical Corrosion Resistance: Our pipes resist a wide range of media corrosion, ensuring that substances in the soil do not degrade the pipeline. Designed for longevity, our pipes offer an impressive lifespan of over 50 years, providing enduring service and reliability.
Superior Hydraulic Performance: Our pipes adeptly absorb the impact energy from water pressure fluctuations, enhancing their ability to withstand water hammer. This improves operational safety, boosts water supply efficiency, and lowers operating costs, making them a smart choice for any water transmission project.
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, you have the flexibility to choose between a solvent socket bonding connection or an elastic socket sealing ring.
For DN225 calibers and above, we exclusively offer elastic socket sealing rings. Additionally, our steel skeleton rubber ring range is designed to accommodate calibers from a robust 110mm to an impressive 1200mm.
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) is proudly headquartered in Qufu, China, the illustrious hometown of Confucius. As a leading engineering pipeline manufacturer, pipeline engineering service provider, and general contractor, our core business encompasses 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 unparalleled industrial ecosystem integrating design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. We are steadfastly committed to evolving 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 historic debut on the Shanghai Stock Exchange, setting a remarkable milestone as the first publicly listed company on the main board within the plastic pipe industry!
Donghong Pipe Industry Testing Center has earned national acclaim by being rated as a CNAS testing center by the National Standards and Accreditation Committee.
Our cutting-edge factory features a large storage bin along with a fully automatic centralized mixing, blending, and transfer system. This sophisticated setup ensures closed management of raw materials from production to extruder entry, effectively preventing secondary contamination and guaranteeing superior product quality.
Donghong has forged elite partnerships with over 5 top-tier 5A-level logistics companies, boasting years of unparalleled transportation expertise. 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 is dedicated to continuously elevating service excellence by meticulously refining every detail. Our comprehensive 9S full worry-free service ensures that customers around the globe can enjoy the seamless and secure use of Donghong products, giving them unparalleled 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 meet and surpass international standards, having secured CE, BV, ISO, and WARS certifications. We consistently exceed standard requirements, ensuring top-notch quality. If you have specific national standards in mind, please inform us, and we will diligently verify or test our products to align with your needs.
2. What services do you offer?
As a versatile manufacturing factory, we offer an array of pipe products, fittings, comprehensive packaging, and efficient shipping solutions. Beyond manufacturing, our expertise as a professional consultation company allows us to provide project consulting, tailored pipe system solutions, and personalized design recommendations. Furthermore, our engineering prowess extends to offering pipeline contractor services, specialized pipe repair services, and complimentary maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely! We specialize in customization across various aspects such as materials, specifications, logos, packaging, and connection methods. Our dedicated professional team excels in delivering bespoke solutions tailored to your specific projects, backed by a proven track record of successful implementations.
4. What are your terms of payment?
We accommodate flexible payment terms, accepting T/T or L/C at sight for your convenience.
5. How do you guarantee the quality of your goods?
We extend a warm invitation to all customers to visit our facility and inspect our products firsthand. To ensure your confidence, we conduct thorough testing based on customer specifications before finalizing any order. Additionally, we can provide sample dispatch before bulk production, enabling customers to perform their own rigorous quality assessments.
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