Shandong Dorco Heavy Machinery Co., Ltd.
| Place Of Origin | China |
| Packaging Details | After Being Wrapped With Stretch Film, It Is Shipped Unpacked In The Container. |
| Delivery Time | 45 - 75 Working Days |
| Payment Terms | L/C,T/T |
| Specification(mm） | φ 508 - φ 2400 |
| Coil weight (ton) | 30 |
| Model | DRC - 2400 |
| auxiliary equipment | Steel Pipe Hydrostatic Testing Machine , Flat Head Chamfering Machine , Ultrasonic Flaw Detector , X-ray Steel Pipe Inspection |
| Coil width(mm） | 1200 - 2000 |
| Area(m2） | 24 * 200 |
| Brand Name | Duolek |
| Model Number | LXHGJ |
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Product Specification
| Place Of Origin | China | Packaging Details | After Being Wrapped With Stretch Film, It Is Shipped Unpacked In The Container. |
| Delivery Time | 45 - 75 Working Days | Payment Terms | L/C,T/T |
| Specification(mm） | φ 508 - φ 2400 | Coil weight (ton) | 30 |
| Model | DRC - 2400 | auxiliary equipment | Steel Pipe Hydrostatic Testing Machine , Flat Head Chamfering Machine , Ultrasonic Flaw Detector , X-ray Steel Pipe Inspection |
| Coil width(mm） | 1200 - 2000 | Area(m2） | 24 * 200 |
| Brand Name | Duolek | Model Number | LXHGJ |
| High Light | Spiral Weld Pipe Mill 30 Ton Capacity ，Spiral Weld Pipe Mill 508-2400mm ，Spiral Weld Pipe Mill with warranty | ||
The spiral welded pipe unit is a standard finalized unit developed and improved by Duoleke Heavy Industry on the basis of absorbing the essence of foreign molding technology and combining with the actual situation in China. It is the most competitive and mature unit with technical characteristics of DORCO Heavy Industry.
The raw materials are strip steel coils, welding wire, and flux. Strict physical and chemical inspections must be conducted before investment.
The head and tail of the strip steel are connected by single or double wire submerged arc welding, and after being rolled into a steel pipe, active submerged arc welding is used for repair welding.
Before forming, the strip steel undergoes leveling, trimming, planing, surface cleaning, transportation, and pre bending treatment.
Using an electric contact pressure gauge to control the pressure of the oil cylinders on both sides of the conveyor to ensure the smooth transportation of the strip steel.
Adopting external or internal control roller molding.
The use of a weld seam gap control device ensures that the weld seam gap meets the welding requirements, and the pipe diameter, misalignment, and weld seam gap are strictly controlled.
Both internal and external welding are carried out using American Lincoln welding machines for single or double wire submerged arc welding, in order to achieve stable welding quality.
Use an air plasma cutting machine to cut steel pipes into individual pieces.
Each batch of steel pipes must undergo a strict inspection system to check the mechanical properties, chemical composition, fusion condition, surface quality of the steel pipes, and undergo non-destructive testing to ensure that the pipe manufacturing process is qualified before it can be officially put into production.
| Model | Specification(mm) | Coil weight (ton) | Coil width(mm) | Thickness(mm) | Capacity(KW) | Area(m2) |
| DRC-400 | φ219-φ426 | 10 | 400-750 | 5-8 | 150 | 18*72 |
| DRC-500 | φ219-φ529 φ219-φ720 | 15 | 400-800 | 5-10 | 180 | 18*72 |
| DRC-600 | φ219-φ630 | 15 | 450-1050 | 6-10 | 190 | 21*72 |
| DRC-700 | φ219-φ720 | 15 | 500-1250 | 5-12.7 | 210 | 21*72 |
| DRC-800 | φ219-φ820 | 20 | 500-1300 | 6-12.7 | 220 | 24*78 |
| DRC-1000 | φ219-φ1020 | 20 | 500-1560 | 6-12.7 | 220 | 24*78 |
| DRC-1400 | Φ325-φ1420 | 25 | 500-1560 | 6-18 | 400 | 24*120 |
| DRC-1600 | Φ426-φ1620 | 30 | 1100-1600 | 6-20 | 400 | 24*120 |
| DRC-1800 | φ508-φ1820 | 30 | 1200-1600 | 8-25.4 | 500 | 24*180 |
| DRC-2000 | φ508-φ2020 | 30 | 1200-2000 | 8-25.4 | 550 | 24*180 |
| DRC-2400 | φ508-φ2400 | 30 | 1200-2000 | 8-25.4 | 600 | 24*200 |
| DRC-3000 | φ508-φ3000 | 30 | 1200-2000 | 8-25.4 | 700 | 24*200 |
The spiral welded pipe unit, with its efficient forming process and flexible adaptability, is widely used in high and low pressure fluid conveying pipes, urban construction pile pipes, industrial structural pipes, power/heat/gas pipelines, etc., providing efficient and high-quality pipeline solutions.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Total Annual:
300-500
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Shandong Duolek Heavy Machinery Co., LTD., located in Puji Industrial Park, Jiaozhou, Qingdao, Shandong Province. We are a large-scale heavy industry machinery manufacturing enterprise in China. The company is mainly engaged in the design, manufacturing, and installation of large-scale equipmen... Shandong Duolek Heavy Machinery Co., LTD., located in Puji Industrial Park, Jiaozhou, Qingdao, Shandong Province. We are a large-scale heavy industry machinery manufacturing enterprise in China. The company is mainly engaged in the design, manufacturing, and installation of large-scale equipmen...
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