Our premium PVC pressure systems are indispensable across a multitude of applications, including drinking water, recycled water, sewage, and gas distribution. Crafted to perfection, these systems set a new standard in quality and performance.
At Shandong Donghong Pipe Industry Co., Ltd. (DHPI), we take immense pride in presenting our meticulously crafted range of high-quality PVC pressure pipes and fittings. Our unwavering commitment to excellence means that we utilize only the finest raw materials and the most advanced manufacturing practices in the industry, ensuring unparalleled durability and reliability.
Our PVC-UH pipes represent a significant advancement over traditional PVC-U, available in a spectrum of colors tailored for specific applications. They are the perfect solution for watermains, water supply systems, recycled water systems, irrigation, and pressure sewerage solutions. Each pipe comes in a standard 6-meter length 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 design ensures quick and easy installation, superior installation quality, and tight connections, effectively eliminating joint leakage and guaranteeing a zero-leakage operation. These pipes are distinguished by their high strength and reliability, setting a new benchmark in the industry.
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 greatly enhances the mechanical properties, offering exceptional strength, high-pressure handling capabilities, and superior ring stiffness. These pipes are ideal for outdoor buried ground installations and pipe galleries, delivering unmatched performance in demanding environments.
Unmatched Environmental Adaptability: Our pipes exhibit extraordinary toughness, effectively countering point loads and uneven foundation settlements. They are perfectly suited for unconventional construction and the most demanding working conditions, providing unparalleled reliability and durability.
Outstanding Chemical Corrosion Resistance: Our pipes exhibit exceptional resistance to a wide range of media corrosion, ensuring that substances in the soil do not degrade the pipeline. Designed for longevity, our pipes boast a lifespan of over 50 years, guaranteeing long-term performance and reliability.
Superior Hydraulic Performance: Our pipes expertly absorb the impact energy from water pressure fluctuations, enhancing their resilience against water hammer. This improves operational safety, increases water supply efficiency, and reduces operating costs, making them an optimal choice for any water distribution system.
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 robust solvent socket bonding connection or a reliable elastic socket sealing ring;
For DN225 calibers and above, we offer durable elastic socket sealing rings. Additionally, our steel skeleton rubber ring range caters to calibers from 110mm to a substantial 1200mm, ensuring superior performance for varying sizes.
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856), headquartered in Qufu, China, the illustrious hometown of Confucius, stands as a beacon in engineering pipeline manufacturing and services. As a premier manufacturer, service provider, and general contractor, we specialize in four key categories: custom pipelines for rainwater and sewage, municipal use, industrial and mining sectors, and national key engineering projects. Our integrated industrial ecosystem encompasses design institutes, financial institutions, port logistics, construction units, and a comprehensive network of upstream and downstream enterprises. With an unwavering commitment to innovation and excellence, we aim to be a global pioneer in pipeline system solutions, transforming human life with intelligent pipelines and ensuring the highest safety standards in pipeline transportation.
On November 6, 2017, Donghong Pipe Industry proudly made its debut on the Shanghai Stock Exchange, marking a historic milestone as the first publicly listed company on the main board within the plastic pipe industry!
Donghong Pipe Industry Testing Center is nationally acclaimed as a CNAS testing center by the National Standards and Accreditation Committee, showcasing our commitment to rigorous quality and standards.
Our state-of-the-art factory features 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, 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. Experience the assurance of timely and secure delivery with Shandong Donghong Pipe Industry Co., Ltd., where your satisfaction is our foremost priority.
At Donghong, we are dedicated to delivering unparalleled service excellence. Through relentless attention to detail and a commitment to refinement, we have developed our comprehensive 9S full worry-free service. This innovative approach guarantees that customers worldwide can experience the seamless, secure, and hassle-free use of Donghong products, ensuring satisfaction and peace of mind with every interaction.
| 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 boast CE, BV, ISO, and WARS certifications, ensuring they surpass all standard requirements. Share your specific national standards with us, and we will either verify compliance or conduct appropriate tests to meet your needs.
2. What services do you offer?
As a comprehensive manufacturing facility, we provide an extensive range of pipe products, fittings, and packaging, along with efficient shipping solutions. Beyond manufacturing, we excel in project consulting, pipe system solutions, and design recommendations. Our engineering expertise allows us to offer complete pipeline contractor services, pipe repair solutions, and complimentary maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely! We specialize in customization across materials, specifications, logos, packaging, connection methods, and beyond. Our expert team is adept at providing bespoke solutions tailored to your unique project requirements, supported by an impressive portfolio of successful cases.
4. What are your terms of payment?
We accept flexible payment terms via T/T or L/C at sight.
5. How do you guarantee the quality of your goods?
We extend a warm invitation for customers to visit our company and personally inspect our products. Furthermore, we conduct rigorous pre-order testing based on customer-specific requirements. Prior to bulk production, we can also send samples for independent customer verification, ensuring the highest quality standards are met.
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