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| Steel Wire Reinforced PE Composite Pipe |
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HDPE Pipe |
PVC Pipe |
| Antistaic Flame Redartant Composite Pipe for Mining |
Anti-corrosion Composite Pipe |
Thermal Insulated Pipe |
Big Carliber Composite Steel Pipe |
The Double Layer Axial Hollow Pipe, also known as the double layer axial direction hollow wall pipe, represents a groundbreaking advancement in piping solutions. Featuring an innovative two-layer material structure with a hollow interspace, this design achieves remarkable strength and durability while remaining lightweight and flexible. The internal hollow cavity facilitates the efficient transportation of fluids or gases, making the pipe ideal for a wide range of applications, including drainage, sewage systems, and cable protection. Additionally, the double layer configuration significantly enhances resistance to pressure, impact, and environmental challenges, ensuring outstanding long-term performance and reliability.
Advantages
When matched with the same ring stiffness, the hollow wall pipe with its optimized structure offers significant savings in raw material costs compared to solid wall pipes. This product is notably lightweight, easy to connect, and reduces overall project costs.
The connection method for Double Layer Axial Hollow Pipes typically involves joining sections of pipe using specially designed fittings or couplings. These fittings ensure a secure, watertight seal between pipe sections, facilitating efficient fluid or gas transfer. Common methods include solvent cement welding, mechanical couplings, and compression fittings, tailored to the specific requirements and material of the pipe. Some manufacturers offer proprietary connection systems for their double-layer axial hollow pipes, enhancing compatibility and performance.
PVC-U is the most prevalent type of PVC used for pipes and fittings due to its versatility in transporting drinking water, soil and waste, sewage, underground drainage, and industrial fluids.
Pipes and fittings crafted from PVC-U offer numerous advantages. They are safe for drinking water transportation, lightweight, easy to handle, and cost-effective. Their technical properties include high mechanical performance, exceptional durability (lasting at least 100 years for underground pipes), high chemical resistance, and UV resistance. Additionally, PVC-U pipes boast favorable environmental profiles and are fully recyclable.
1.
Double-Layer Structure : The pipe features a dual-layer design with an inner and outer layer, separated by a hollow space, which enhances structural integrity and durability.
2.Axial Hollow Wall : The axial hollow wall design lightens the pipe without compromising strength, making it easier to handle and install.
3. High Strength: Despite its lightweight design, the pipe offers exceptional strength and resistance to external loads, ensuring long-term reliability in underground applications.
4. Corrosion Resistance : Constructed from high-quality PVC materials, the pipe is resistant to corrosion, rust, and chemical degradation, extending its service life even in harsh 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 : Suitable for a wide range of applications, including stormwater drainage, sewer systems, culverts, and underground utilities, this pipe offers versatile solutions for 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), headquartered in the historically rich city of Qufu, China-the birthplace of Confucius-is a pioneering enterprise in the engineering pipeline sector. Our expertise extends across manufacturing, service provision, and general contracting for four primary categories of functional and bespoke pipelines: specialized pipelines for rainwater and sewage diversion, municipal applications, industrial and mining areas, and key national engineering projects. Our holistic industrial ecosystem integrates design institutes, financial institutions, port logistics, construction units, and both upstream and downstream enterprises. We are devoted to revolutionizing the pipeline industry by harnessing intelligent technologies to enhance human life and ensure the unwavering safety of pipeline transportation, striving to become a global leader in comprehensive pipeline system solutions.
Donghong boasts an impressive team of over 200 R&D professionals and holds more than 100 patents. Leveraging prestigious national platforms such as the National Enterprise Technology Center, National CNAS Laboratory, Academician Expert Workstation, and Post-doctoral Workstation, we spearhead advancements in the digitalization, informatization, and intelligentization of pipeline engineering. Our pioneering research drives the industry forward, supporting significant national strategic and public welfare projects including the South-to-North Water Diversion, Huangzhilin, Hanzhiwei, Beijing-New Zealand Expressway, and the One Belt, One Road initiative.
Donghong is also deeply involved in diverse key projects such as the 'One Tip' initiative, standardized farmland, urban and rural water supply integration, Liren gas, and centralized heat supply. Our contributions are pivotal to national strategic endeavors and essential public welfare projects.
| Automatic Feeding System |
Integrated Production Line |
Complete Mechanical Control |
| Comprehensive Test |
Xray Product Inspection |
One-code Track |
|
Donghong has meticulously forged strategic alliances with over five elite 5A-level logistics companies, boasting extensive years of transportation expertise. By seamlessly integrating automobile, railway, port, and shipping logistics, we ensure optimal service regardless of extreme weather conditions or challenging locales. Our robust and comprehensive transportation strategy is committed to delivering every shipment to your site with unrivaled speed and efficiency.
| Automobile transportation |
Train transportation |
Sea transportation |
1. Does your product comply with international standards?
Our products proudly meet international standards, holding CE, BV, ISO, and WARS certifications. Each performance figure surpasses standard requirements. Should you need to meet a specific national standard, please inform us, and we will verify and test accordingly.
2. What services do you offer?
As a dedicated manufacturing facility, we supply premium pipe products, fittings, packaging, and shipping services. As a consulting firm, we provide expert project consultations, pipe system solutions, and design recommendations. As an engineering enterprise, we offer comprehensive pipeline contracting, repair services, and free maintenance guidance.
3. Do you support OEM/ODM services?
Absolutely! We offer extensive customization options including materials, specifications, logos, packaging, and connection methods. Our experienced team provides tailored solutions for your specific projects, with a track record of successful implementations.
4. What are your payment terms?
We accept T/T or L/C at sight.
5. How do you ensure the quality of the goods supplied?
We warmly invite all customers to visit our facility and inspect our products firsthand. Additionally, we can conduct rigorous testing as per your requirements before order placement. Prior to bulk production, we can dispatch samples for your independent testing to ensure product qualification.
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