Our advanced PVC pressure systems are extensively utilized in a myriad of applications, including drinking water distribution, recycled water systems, sewage management, and gas distribution. These systems guarantee safe, reliable, and efficient transportation, ensuring the highest standards of performance and dependability.
At Shandong Donghong Pipe Industry Co., Ltd. (DHPI), we take immense pride in manufacturing a comprehensive range of superior-quality PVC pressure pipes and fittings. By leveraging the finest raw materials and adhering to industry-leading best practices, we deliver products that set the standard for unmatched excellence and reliability.
PVC-UH, an enhanced version of PVC-U, is available in a variety of colors tailored to specific applications, such as water mains, water supply, recycled water systems, irrigation, and pressure sewerage. These pipes are offered in standard 6m lengths with spigot and socket ends designed for rubber ring jointing (RRJ), ensuring a seamless and secure connection every time.
Introducing our groundbreaking pressure sewage drainage pipe, ingeniously engineered with an online built-in integrated forming steel skeleton sealing connection structure. This innovation ensures quick and effortless installation, guaranteeing optimal installation quality and leak-proof connections. By fundamentally addressing joint leakage issues, our product ensures zero leakage in pipe network operations and provides unparalleled strength and durability.
The high-performance PVC-UH water supply pipe is meticulously crafted with an integrally formed steel skeleton sealing connection structure. This design ensures exceptional connection reliability and tightness, significantly enhancing the pipe's mechanical properties. Our pipes boast high strength, superior pressure tolerance, and remarkable ring stiffness, making them ideal for outdoor buried installations and pipe gallery setups.
Exceptional Environmental Adaptability: The advanced toughness of our pipelines enables them to effectively withstand point loads and uneven foundation settlements. This makes them well-suited for non-standard constructions and challenging working conditions, ensuring maximum durability and reliability.
Outstanding Chemical Corrosion Resistance: Our pipes are engineered to resist corrosion from a wide range of media, ensuring that soil substances do not degrade the pipeline. With a lifespan of ≥50 years, our pipes offer long-term reliability and peace of mind for all your infrastructure needs.
Superior Hydraulic Performance: Expertly designed to absorb impact energy from water pressure fluctuations, our pipes enhance resistance to water hammer, reduce operational risks, improve water supply efficiency, and significantly lower 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: DN20-DN50 Caliber
Elastic Socket Sealing Ring
For calibers ranging from DN63 to DN225, you have the flexibility to select either solvent socket bonding or elastic socket sealing rings, tailored to your specific requirements.
For calibers DN225 and above, elastic socket sealing rings are utilized; the steel skeleton rubber ring range is comprehensive, covering from 110mm to an impressive 1200mm.
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856), proudly situated in Qufu, China, the venerable hometown of Confucius, stands as a beacon of excellence in the realm of engineering pipeline manufacturing. Renowned as a premier service provider and general contractor, Donghong Co., Ltd. specializes in four pivotal categories of pipelines: innovative rainwater and sewage diversion systems, advanced municipal piping, durable industrial and mining pipelines, and bespoke pipelines for national key engineering projects. Our meticulously crafted industrial ecosystem integrates design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. At Donghong Co., Ltd., we are committed to leading the global frontier in comprehensive pipeline system solutions, transforming human life with intelligent pipeline innovations, and ensuring perpetual safety in pipeline transportation.
On November 6, 2017, Donghong Pipe Industry celebrated a landmark achievement by being listed on the prestigious Shanghai Stock Exchange. This historic event marked Donghong as the first plastic pipe industry company to gain such distinguished recognition on the main board!
Exemplifying unparalleled excellence and trust, the Donghong Pipe Industry Testing Center has earned the esteemed national CNAS testing center accreditation from the National Standards and Accreditation Committee.
Our cutting-edge factory is equipped with a vast storage bin and 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 exceptional product quality.
Donghong has forged strategic alliances with over five 5A-level logistics powerhouses, underpinned by years of rich transportation expertise. By seamlessly integrating automobile transport, railway logistics, and port shipping, we ensure unparalleled service regardless of extreme temperatures or challenging, remote locations. Our robust and agile transportation strategy guarantees that every order is expediently and securely delivered to your site, promising utmost reliability and efficiency.
Donghong continuously enhances its service details by implementing a comprehensive 9S worry-free service system. This dedication ensures that customers from any corner of the globe can utilize Donghong products with unmatched ease and absolute safety. This unparalleled commitment to service excellence means that from the moment a product is purchased, through its installation, and throughout its entire lifecycle, customers can expect nothing but the best. Every query, concern, or service requirement is handled with utmost precision, aiming to provide a seamless and satisfying experience.
| Full technical support from an expert team |
Answers to product technical questions |
Construction and installation guidance, material budget |
1. Does your product comply with international standards?
Our products have proudly obtained CE, BV, ISO, and WRAS certifications, with all metrics surpassing standard requirements. If you have a specific national standard, inform us and we will gladly verify or test it to ensure compliance.
2. What kinds of services do you offer?
As a manufacturing powerhouse, we offer a comprehensive range of pipe products, pipe fittings, packaging, and shipping services. With our expertise as consultants, we provide project consulting, bespoke pipe system solutions, and innovative design suggestions. Additionally, as an engineering-driven enterprise, we excel in pipeline contracting, pipe repair services, and offer free maintenance guidance to ensure long-lasting performance.
3. Do you support OEM/ODM services?
Absolutely, we provide extensive customization options including material, specification, logo, packaging, and connection methods. Our expert team is ready to offer tailored solution suggestions for your specific projects, backed by numerous successful implementations.
4. What are your terms of payment?
We accept payment through T/T or L/C at sight for your convenience.
5. How can you guarantee the quality of the goods you offer?
We warmly invite all customers to visit our facility and inspect our goods firsthand. We can also perform rigorous testing as per customer requirements before finalizing any order. Additionally, we offer sample dispatching prior to bulk production for customers to conduct their own quality assessments.
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