| Customization: | Available |
|---|---|
| Compound Material: | Steel Plastic Composite Pipe |
| Material: | PEX-Al-PE |
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The Underground Flame Retardant Colored Steel Pipe from Shandong Donghong Pipe Industry Co., Ltd. is a pinnacle of engineering, meticulously crafted for underground applications where uncompromising safety and durability are essential. Constructed from top-tier steel and enveloped in a specialized flame-retardant coating, this pipe delivers unparalleled fire protection. The vibrant, colored exterior not only enhances its visibility but also ensures easy identification and heightened safety during underground installations. Its rugged construction and superior flame-resistant properties make it an indispensable asset across a multitude of industries, including mining, construction, and infrastructure development. Renowned for its reliable performance and exceptional longevity, this pipe stands as the premier choice for underground piping systems in the most demanding environments.
| Clamp Connection | Flange Connection |
1. Unparalleled Durability : Meticulously engineered from premium-grade steel, our ERW Steel Pipe delivers exceptional durability and supreme resistance to corrosion, ensuring it stands the test of time in demanding underground applications.
2. Enhanced Fire Safety : Featuring a robust flame retardant coating, our pipe significantly mitigates fire hazards, thereby markedly reducing the likelihood of fire-related incidents in subterranean settings.
3. Improved Visibility : The vividly colored exterior of our pipe boosts visibility, facilitating easy identification and location in underground environments, enhancing safety and streamlining maintenance procedures.
4. Exceptional Versatility : Ideal for a myriad of applications, including mining, construction, and infrastructure projects, our underground flame retardant colored steel pipe provides versatile solutions for diverse underground piping requirements.
5. Stringent Compliance : Rigorously designed to meet stringent safety standards and regulatory directives for underground installations, our pipe guarantees peace of mind and ensures adherence to industry regulations.
6. Remarkable Cost-Effectiveness : Despite its advanced features and high-end performance, our pipe remains economically viable, offering exceptional value for money throughout the entire lifecycle of the underground installation.
| Product Specification |
| Nominal diamter /mm | Nominal Pressure / Mpa | |||||||||||||||||||
| 0.8 | 1.0 | 1.25 | 1.6 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 5.0 | 6.3 | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | |
| Nominal Wall Thickness / mm | ||||||||||||||||||||
| 50 | / | / | / | 4.5 | 5.0 | 5.5 | 5.5 | 5.5 | 6.0 | 8.5 | 9.0 | 9.5 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.5 | 10.5 |
| 63 | / | / | / | 4.5 | 5.0 | 5.5 | 5.5 | 5.5 | 6.5 | 8.5 | 9.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.5 | 10.5 | 11.5 | 11.0 | 11.0 |
| 75 | / | / | / | 5.0 | 5.0 | 5.5. | 6.0 | 6.0 | 9.5 | 9.5 | 9.5 | 10.5 | 10.5 | 10.5 | 11.5 | 11.5 | 12.0 | 12.0 | 12.0 | 12.0 |
| 90 | / | / | / | 5.5 | 5.5 | 5.5 | 6.0 | 6.0 | 10.0 | 10.5 | 10.5 | 11.5 | 11.5 | 11.5 | 12.0 | 12.0 | 12.0 | 12.0 | 12.5 | 13.0 |
| 110 | / | 5.5 | 5.5 | 7.0 | 7.0 | 7.5 | 8.5 | 8.5 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.5 | 13.5 | 14.5 | 14.5 | 15.5 |
| 125 | / | 5.5 | 5.5 | 7.5 | 8.0 | 8.5 | 9.5 | 9.5 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.5 | 15.5 |
| 140 | / | 5.5 | 5.5 | 8.0 | 8.5 | 9.0 | 9.5 | 9.5 | 11.0 | 11.0 | 13.0 | 13.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 16.0 | 16.5 |
| 160 | / | 6.0 | 6.0 | 9.0 | 9.5 | 10.0 | 10.5 | 10.5 | 11.0 | 12.0 | 14.0 | 14.0 | 15.0 | 15.0 | 15.0 | 15.5 | 16.0 | 16.0 | 17.0 | 17.0 |
| 180 | / | 6.0 | 6.0 | 9.5 | 10.5 | 1.0 | 12.0 | 12.5 | 13.0 | 13.0 | 14.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.5 | 16.0 | 17.0 | / | / |
| 200 | / | 6.0 | 6.0 | 9.5 | 10.5 | 11.0 | 12.0 | 12.5 | 13.0 | 13.0 | 15.0 | 15.0 | 15.0 | 15.0 | 16.0 | 17.0 | 17.0 | / | / | / |
| 225 | / | 8.0 | 8.0 | 10.0 | 10.5 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 14.0 | 15.0 | 16.0 | 17.0 | 17.0 | / | / | / | / | / |
| 250 | 8.0 | 10.5 | 10.5 | 12.0 | 12.0 | 12.5 | 14.0 | 14.0 | 14.0 | 15.0 | 16.0 | 17.0 | 17.0 | / | / | / | / | / | / | / |
| 280 | 9.5 | 11.0 | 11.0 | 13.0 | 13.0 | 15.0 | 15.0 | 17.0 | 17.0 | 18.0 | 18.0 | 19.0 | 20.0 | / | / | / | / | / | / | / |
| 315 | 9.5 | 11.5 | 11.5 | 13.0 | 13.0 | 15.0 | 15.0 | 18.0 | 18.0 | 19.0 | 20.0 | / | / | / | / | / | / | / | / | / |
| 355 | 10.0 | 12.0 | 12.0 | 14.0 | 14.0 | 17.0 | 17.0 | 19.0 | 19.0 | 20.0 | 21.0 | / | / | / | / | / | / | / | / | / |
| 400 | 10.5 | 12.5 | 12.5 | 15.0 | 16.0 | 17.0 | 17.0 | 19.0 | 21.0 | / | / | / | / | / | / | / | / | / | / | / |
| 450 | 11.5 | 13.5 | 13.5 | 16.0 | 18.0 | 18.0 | 19.0 | 20.0 | 21.0 | / | / | / | / | / | / | / | / | / | / | / |
| 500 | 12.5 | 15.5 | 15.5 | 18.0 | 19.0 | 22.0 | 23.0 | 24.0 | / | / | / | / | / | / | / | / | / | / | / | / |
| 560 | 17.0 | 20.0 | 20.0 | 22.0 | 22.0 | 24.0 | 26.0 | / | / | / | / | / | / | / | / | / | / | / | / | / |
| 630 | 20.2 | 23.0 | 23.0 | 26.0 | 26.0 | 28.0 | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
| 710 | 23.0 | 26.0 | 28.0 | 30.0 | 32.0 | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
| 800 | 27.0 | 30.0 | 32.0 | 34.0 | 36.0 | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
| 900 | 29.0 | 33.5 | 35.0 | 38.0 | 40.0 | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
| 1000 | 34.0 | 37.0 | 40.0 | 45.0 | 47.0 | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
| 1200 | 38.0 | 40.0 | 43.0 | 50.0 | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
| Note: can be customized by customer's needs. | ||||||||||||||||||||
Donghong employs over 200 R&D personnel and holds more than 100 patents. Leveraging national technology research and development platforms such as the National Enterprise Technology Center, National CNAS Laboratory, Academician Expert Workstation, and Post-doctoral Workstation, we delve deeply into the digitization, informatization, and intelligence of pipeline engineering. This positions us at the forefront of the engineering pipeline industry, enabling us to serve national key strategic projects and significant livelihood projects like the South-to-North Water Diversion, Huangzhilin, Hanzhiwei, Beijing-New Zealand Expressway, One Belt, One Road initiatives, and more.
Our expertise extends to various national key strategic and livelihood projects, including the standardized farmland development, urban and rural water supply integration, Liren gas, and centralized heat supply, among others. Donghong is unwavering in its dedication to advancing these projects for the betterment of society.
1. Is your product meets the international standard ?
Our products have passed CE, BV, ISO and WARS certifications, and all measurements exceed the standard requirements. You are welcome to inform us of the specific national standard you need, and we will verify or test it accordingly.
2. What kind of service do you offer ?
As a manufacturing factory, we provide pipe products, pipe fittings, packaging, and shipping services. As a professional consultation company, we offer project consulting advice, pipe system solutions, and design suggestions. Additionally, as an engineering-focused enterprise, we provide pipeline contracting services, pipe repair services, and free maintenance guidance.
3. Do you support OEM/ODM service?
Yes, we offer customization in material, specifications, logo, packaging, connection methods, and more. Our professional team can also provide solution suggestions tailored to your specific projects, with successful cases to back our service.
4. What's your terms of payment?
T/T or L/C at sight.
5. How can you gurantee the goods you offered is qualified?
We warmly welcome customers to visit our company and inspect our products firsthand. We can also perform stringent tests as per customer requirements before order placement. Additionally, before bulk production, we can dispatch samples for customers to conduct their own tests and ensure product quality.
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