| Customization: | Available |
|---|---|
| Type: | Welded |
| Technique: | SAW |
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| Nominal Diameter/ mm | Inner Coating Layer /mm | Outer coating layer,mm | |
| Ordinary level | Strengthen level | ||
| DN ≤65 | >0.3 | >0.6 | >0.8 |
| 65≤DN≤150 | >0.35 | >0.8 | >1.0 |
| 150≤DN≤300 | >0.35 | >0.8 | >1.2 |
| 300≤DN≤800 | >0.4 | >1.0 | >1.3 |
| 800≤DN≤1200 | >0.45 | >1.2 | >1.8 |
| 1200≤DN≤3600 | >0.45 | >1.5 | >1.8 |
In order to adapt to the needs of different project characteristics, Donghong develops a variety of connection methods for large diameter anticorrosion steel pipe, specifically flexible socket connection, butt welding, socket lap weld, spherical lap weld, customized bevel form and other forms of connection, providing a variety of choices for the major water conservancy projects, to support a variety of construction environments and construction conditions.
| Welding Connection | Mechanical Connection | Socket Connection |
About Us
Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) is headquartered in Qufu, China, the hometown of Confucius.Is an engineering pipeline manufacturer, pipeline engineering service provider and pipeline engineering general contractor with the main business of four categories of functional and customized pipelines: special pipelines for rainwater and sewage diversion, special pipelines for municipal areas, special pipelines for industrial and mining areas, and special pipelines for national key engineering projects. The company has built up an industrial ecosystem with the participation of design institutes, financial institutions, port logistics, construction units, upstream and downstream enterprises, etc. The company is committed to becoming a global leading pipeline system comprehensive solution provider by making intelligent pipelines change human life and constant safety of pipeline transportation.
In 2021, become the enterprise with the largest variety of powder anti-corrosion processes in the industry, with a total of 14 production lines of internal epoxy and external PE, internal and external epoxy and 3PE, with anti-corrosion processing technologies such as suction coating, spraying, roller coating, dip coating, and spraying.
1. Is your product meets the international standard ?
Our products have pass CE, BV, ISO and wars certificate, and all figures indicates higher than standard, you can feel free to let us know which national standard you required, we will check or test it for you.
2. What kind of service do you offer ?
As a manufacture fatory, we provide pipe products, pipe fittings, package and shipping; as a professional consulation company we provide project consulting advise, pipe system solutions and design suggestions; as an engineering focused enterprise , we also provide pipeline contractor service and pipe repair service, also can give free maintance guidance.
3. Do you support OEM/ODM service?
Yes, we offer customization in material, specification, logo, package , connection methods andothers. Meanwhile, our professional team can offer solution suggestion for your specified projects, we have successfull cases of that 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 all customers arrange the visit to our company and see our goods in sight, we can also provide strict test as per customer required before order. Meanwhile, before the bulk production, we can dispatch samples for customer to do their own tests to qualify the products.
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