| Hot Selling Pipes |
| Steel Wire Reinforced PE Composite Pipe |
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HDPE Pipe |
PVC Pipe |
| Antistaic Flame Redartant Composite Pipe for Mining |
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Big Carliber Composite Steel Pipe |
Introducing the Double Layer Axial Hollow Pipe, the epitome of innovation in piping solutions. Also known as the double layer axial direction hollow wall pipe, this revolutionary product features a dual-layered construction with a hollow core, providing unparalleled strength and durability while remaining lightweight and flexible. The internal hollow space allows for the efficient flow of fluids or gases, making it an ideal choice for a range of applications including drainage, sewage systems, and cable protection. Its double layer design ensures superior resistance to pressure, impact, and environmental stressors, guaranteeing long-term dependability and performance.
The Advantages:
When comparing ring stiffness, the hollow wall pipe with its optimized structure significantly reduces raw material usage compared to traditional solid wall pipes. This product's lightweight nature ensures ease of handling and connection, ultimately leading to lower project costs without compromising on quality or performance.
The connection method for Double Layer Axial Hollow Pipes typically involves joining sections using compatible fittings or couplings specifically designed for this advanced piping system. These fittings ensure a secure and watertight seal, facilitating efficient fluid or gas transfer. Common methods include solvent cement welding, mechanical couplings, and compression fittings, tailored to the specific requirements of the application and pipe material. Additionally, some manufacturers offer proprietary connection systems to enhance the performance and convenience of their double layer axial hollow pipe products.
PVC-U is the most prevalent type of PVC used in pipes and fittings, suitable for transporting drinking water, soil and waste, sewage, underground drainage, and various industrial applications.
Pipes and fittings crafted from PVC-U come with an array of advantages. They are a safe choice for drinking water transportation, lightweight, easy to handle, and cost-effective. Key technical properties include high mechanical performance, exceptional durability (lasting at least 100 years for underground pipes), high chemical resistance, and UV exposure resilience. Furthermore, PVC-U pipes boast favorable environmental profiles and are entirely recyclable.
1.
Double-Layer Structure : The pipe features a dual-layer construction - an inner layer and an outer layer - with a hollow space in between, significantly enhancing its structural integrity and durability.
2. Axial Hollow Wall : The axial hollow wall design lowers the overall weight of the pipe while preserving its strength, making it easier to handle and install.
3. High Strength: Despite its lightweight design, the pipe exhibits high strength and resistance to external loads, ensuring long-term reliability for underground applications.
4. Corrosion Resistance : Constructed from premium PVC materials, the pipe is resistant to corrosion, rust, and chemical degradation, extending its service life even in challenging underground environments.
5. Easy Installation : The pipe's lightweight construction and smooth interior surface facilitate easy handling, transportation, and installation, significantly reducing labor and installation costs.
6. Versatile Applications : This pipe is ideal for a variety of uses, including stormwater drainage, sewer systems, culverts, and underground utilities, offering versatile solutions for diverse infrastructure projects.
| Nomina diameter dn/mm |
Nominal Pressure PN/Mpa |
| 0.25 |
0.32 |
0.4 |
0.5 |
0.63 |
| Nominal wall thickness en/mm |
| 75 |
/ |
/ |
1.9 |
2.3 |
2.9 |
| 90 |
/ |
1.8 |
2.2 |
2.8 |
3.5 |
| 110 |
1.8 |
2.2 |
2.7 |
3.4 |
4.2 |
| 125 |
2.0 |
2.5 |
3.1 |
3.9 |
4.8 |
| 140 |
2.2 |
2.8 |
3.5 |
4.3 |
5.4 |
| 160 |
2.5 |
3.2 |
4.0 |
4.9 |
6.2 |
| 180 |
2.8 |
3.6 |
4.4 |
5.5 |
6.9 |
| 200 |
3.2 |
3.9 |
4.9 |
6.2 |
7.7 |
| 225 |
3.5 |
4.4 |
5.5 |
6.9 |
8.6 |
| 250 |
3.9 |
4.9 |
6.2 |
7.7 |
9.6 |
| 280 |
4.4 |
5.5 |
6.9 |
8.6 |
10.7 |
| 315 |
4.9 |
6.2 |
7.7 |
9.7 |
12.1 |
| 355 |
5.6 |
7.0 |
8.7 |
10.9 |
13.6 |
| 400 |
6.3 |
7.9 |
9.8 |
12.3 |
15.3 |
| 450 |
7.0 |
8.8 |
11.0 |
13.8 |
17.2 |
| 500 |
7.8 |
9.8 |
12.3 |
15.3 |
19.1 |
| 560 |
8.8 |
11.0 |
13.7 |
17.2 |
21.4 |
| 630 |
9.9 |
12.3 |
15.4 |
19.3 |
24.1 |
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) is proudly headquartered in Qufu, China, the historic hometown of Confucius. As a pioneering engineering pipeline manufacturer, service provider, and general contractor, Donghong Co., Ltd. specializes in four main categories of high-performance and tailor-made pipelines: dedicated pipelines for rainwater and sewage management, municipal pipelines, industrial and mining pipelines, and pipelines for national key engineering projects. Our company has established a robust industrial ecosystem, integrating design institutes, financial institutions, port logistics, construction units, as well as upstream and downstream enterprises. With a steadfast commitment to revolutionizing pipeline systems worldwide, Donghong Co., Ltd. aims to enhance human lives through intelligent pipeline solutions and unwavering pipeline transportation safety.
Donghong boasts an impressive team of over 200 R&D personnel and holds more than 100 patents. Leveraging our national enterprise technology center, CNAS-accredited laboratory, academician expert workstation, post-doctoral workstation, and other top-tier national technology R&D platforms, we delve deeply into the realms of digitalization, informatization, and the intelligent advancement of pipeline engineering. By spearheading the development of the pipeline engineering industry, we actively contribute to major national strategic and public welfare projects, including the South-to-North Water Diversion, Huangzhilin, Hanzhiwei, Beijing-New Zealand Expressway, and the Belt and Road Initiative. Donghong is dedicated to driving innovation within the industry and supporting critical projects, ensuring the efficient and safe transportation of essential resources.
Our extensive involvement in vital national and public welfare projects includes initiatives like 'One Tip', standardized farmland, urban and rural water supply integration, Liren gas, and centralized heat supply, among others. We remain steadfastly committed to enhancing the quality of life and infrastructure across urban and rural landscapes.
| Automatic Feeding System |
Integrated Production Line |
Complete Mechanical Control |
| Comprehensive Test |
Xray Product Inspection |
One-code Track |
|
Donghong has established strategic partnerships with over five premier 5A-level logistics companies, leveraging our extensive experience in transportation. Utilizing a blend of automobile, railway, port, and shipping logistics, we ensure impeccable service regardless of temperature extremes or challenging and remote locations. Our robust transportation strategy guarantees that every shipment reaches your site swiftly and efficiently.
| Automobile transportation |
Train transportation |
Sea transportation |
1. Does your product meet international standards?
Our products have been certified by CE, BV, ISO, and WARS, showcasing compliance with and exceeding international standards. Please feel free to inform us of the specific national standards you require; we will verify or test accordingly to ensure compliance.
2. What types of services do you offer?
As a leading manufacturing factory, we offer a comprehensive range of services including pipe products, pipe fittings, packaging, and shipping. Additionally, as a professional consulting company, we provide expert project consulting, pipe system solutions, and design recommendations. As an engineering-focused enterprise, we also offer pipeline contracting, pipe repair services, and free maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely, we provide extensive customization options in materials, specifications, logos, packaging, and connection methods. Our expert team is also available to suggest solutions for your specific projects, with a proven track record of successful custom service cases.
4. What are your terms of payment?
We accept payment via T/T or L/C at sight.
5. How can you guarantee the quality of the goods you offer?
We warmly invite all customers to visit our company and inspect our products firsthand. We can conduct stringent tests as per customer requirements prior to order placement. Additionally, we can send samples for customers to perform their own quality tests before proceeding with bulk production.
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