Shandong Dorco Heavy Machinery Co., Ltd.
| Payment Terms | L/C,T/T |
| Delivery Time | 45 - 75 Working Days |
| Packaging Details | After Being Wrapped With Stretch Film, It Is Shipped Unpacked In The Container. |
| Model | DRC - 2400 |
| Specification(mm） | φ 508 - 2400 |
| Coil weight (ton) | 30 |
| 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 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 45 - 75 Working Days |
| Packaging Details | After Being Wrapped With Stretch Film, It Is Shipped Unpacked In The Container. | Model | DRC - 2400 |
| Specification(mm） | φ 508 - 2400 | Coil weight (ton) | 30 |
| 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 | Place of Origin | China |
| High Light | Precision Intelligent Manufacturing Spiral Weld Pipe Mill ，Lincoln Welding Machines Spiral Pipe Mill ，Hydrostatic Testing Spiral Welded Pipe Unit | ||
| 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 |
All raw materials such as welding wire, flux, and strip steel must undergo strict physical and chemical inspections before being put into use to eliminate quality hazards at the source.
The strip steel undergoes a complete set of processes including leveling, trimming, planing, cleaning, and pre bending, providing perfect conditions for rolling and forming.
Smooth conveying: The electric contact pressure gauge accurately controls the conveying pressure to ensure the smooth operation of the strip steel.
Adopting external or internal control roll forming technology.
The weld seam gap device ensures strict control over pipe diameter, misalignment, and weld seam gap.
The core internal and external welding processes are completed by Lincoln welding machines from the United States (single/double wire submerged arc welding), combined with active submerged arc repair welding, resulting in stable and excellent welding quality.
Using an air plasma cutting machine, cutting is fast and precise.
Perform comprehensive inspections covering mechanical properties, chemical composition, fusion condition, surface quality, and non-destructive testing. Only fully qualified steel pipes can be delivered to customers.
Continuous ultrasonic testing marks on weld seams undergo manual ultrasonic and X-ray inspection. Any defects are repaired and retested until cleared.
Strip steel butt welds, spiral weld intersections, and T-joints are inspected by X-ray television or film.
Fully automatic steel pipe hydrostatic testing machine
The hydraulic testing machine is mainly used for pressure testing of welded pipes, and has the functions of computer recording, storage, printing, and test results. It has the advantages of high efficiency, high testing pressure, and strong safety. The pipe diameter range is from Φ 20 to Φ 3500mm, and the test pressure is 10-110MPa.
Process flow: upper pipe - connecting pipe - water filling - pressure pressing - pressure holding - pressure relief - drainage - outlet pipe.
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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