Our high-quality PVC pressure systems are the ideal solution for a wide range of applications, including drinking water, recycled water, sewage, and gas distribution. Engineered for excellence, these systems offer reliable performance and durability.
At DHPI, we take immense pride in producing an extensive array of superior PVC pressure pipes and fittings. Utilizing the finest raw materials and adhering to the highest industry standards, our products ensure top-notch quality and long-lasting reliability.
PVC-UH represents an advanced evolution of PVC-U, available in various colors tailored for specific applications such as water mains, water supply, recycled water, irrigation, and pressure sewerage. Each pipe is supplied in standard 6-meter effective lengths, featuring spigot and socket ends for efficient rubber ring jointing (RRJ).
Introducing our groundbreaking pressure sewage drainage pipe, crafted with a built-in integrated steel skeleton sealing connection structure. This innovative design allows for quick and effortless installation, guaranteeing superior installation quality and connection tightness. Our pipes effectively eliminate joint leakage, ensuring a flawless, zero-leakage pipe network with exceptional strength.
Our high-performance PVC-UH water supply pipe boasts an integrally formed steel skeleton that ensures unparalleled connection reliability and tightness. The design significantly enhances the mechanical properties of the pipe, offering high strength, superior pressure resistance, and remarkable ring stiffness. Suitable for outdoor buried installation as well as pipe gallery applications, this product is engineered for excellence.
Exceptional Environmental Adaptability: Our pipelines exhibit remarkable toughness, effectively resisting point loads and uneven foundation settlement. Designed to adapt to non-standard construction and challenging working conditions, they ensure durability and performance under various scenarios.
Outstanding Chemical Corrosion Resistance: Our pipelines are engineered to withstand corrosion from a diverse range of media, ensuring that soil substances won't degrade the pipeline. With a lifespan of ≥50 years, our pipes are built to last.
Superior Hydraulic Performance: Our pipes adeptly absorb impact energy from water pressure fluctuations, enhancing the pipeline's ability to resist water hammer. This results in reduced operational risks, improved water supply efficiency, and lower 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 |
- |
- |
- |
- |
- |
Solvent Socket Bonding Type
Solvent Socket Bonding Type: Suitable for DN20-DN50 Caliber
Elastic Socket Sealing Ring
For N63-DN225 Calibers, You Can Opt for Either Solvent Socket Bonding or Elastic Socket Sealing Ring
For DN225 Calibers and Above, Elastic Socket Sealing Rings Are Used; The Steel Skeleton Rubber Ring Range is 110-1200mm.
Shandong Donghong Pipe Industry Co., Ltd. (stock code: 603856), referred to as Donghong Co., Ltd., is a prestigious engineering pipeline manufacturer and service provider headquartered in Qufu, China, the illustrious hometown of Confucius. Our core expertise spans four major categories of functional and customized pipelines: special pipelines for rainwater and sewage diversion, municipal areas, industrial and mining areas, and national key engineering projects. We have constructed a robust industrial ecosystem involving design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. With a commitment to innovation and quality, Donghong Co., Ltd. aspires to be the global leader in comprehensive pipeline system solutions, revolutionizing human life and ensuring the constant safety of pipeline transportation through intelligent pipeline technologies.
On November 6, 2017, Donghong Pipe Industry proudly became the first listed company on the main board of the Shanghai Stock Exchange in the plastic pipe industry!
The Donghong Pipe Industry Testing Center has earned the prestigious distinction of being rated as a national CNAS testing center by the National Standards and Accreditation Committee, underscoring our commitment to quality and excellence.
Our state-of-the-art factory features large storage bins and a fully automatic centralized mixing, blending, and transfer system. This closed management process ensures that raw materials are efficiently handled from production to extrusion, effectively preventing secondary contamination and guaranteeing the superior quality of our products.
At Shandong Donghong Pipe Industry Co., Ltd., we have forged strategic alliances with over five elite 5A-level logistics companies, boasting extensive expertise in transportation. Our versatile logistics network integrates automobile transport, railway systems, port operations, and maritime shipping. Regardless of the climate-be it scorching heat or biting cold-or the accessibility of the destination, whether it be a remote outpost or a challenging terrain, we are committed to delivering unparalleled service. Our meticulously crafted transportation strategy ensures that every shipment reaches your site promptly and efficiently.
Donghong continuously enhances service details and has established the comprehensive 9S Full Worry-Free Service. This ensures that customers around the globe can use Donghong products with utmost smoothness and safety.
| 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 have passed CE, BV, ISO, and WARS certifications. All metrics indicate performance exceeding these standards. Please inform us of your required national standard, and we will verify or test accordingly.
2. What kinds of services do you offer?
As a manufacturing factory, we provide pipe products, pipe fittings, packaging, and shipping solutions. As a professional consultation company, we offer project consulting, pipe system solutions, and design recommendations. As an engineering-focused enterprise, we also provide pipeline contracting, pipe repair services, and free maintenance guidance.
3. Do you support OEM/ODM services?
Yes, we offer customization in materials, specifications, logos, packaging, and connection methods. Our professional team can also provide solution suggestions for your specific projects; we have successfully executed numerous such services.
4. What are your terms of payment?
We accept T/T or L/C at sight.
5. How can you guarantee the quality of your goods?
We warmly welcome all customers to visit our company and inspect our goods in person. We can also conduct stringent tests as per customer requirements before ordering. Additionally, we can dispatch samples prior to bulk production for customers to perform their own quality tests.
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