Customized High Frequency Straight Seam Welded Pipe Unit Oil And
Gas Pipelines Widely Applicable
Due to its reliability and progressiveness, Duolek longitudinal
welded pipe unit has become an ideal choice for many industrial
fields.
High frequency straight seam welded pipe unit:
This unit combines advanced technology, reliable equipment, and
complete processes, making it particularly suitable for situations
that require high efficiency, continuous production, and high
surface quality requirements. Its molding is stable, the
specifications are easy to change, and it can quickly respond to
diverse production needs. It performs well in fields such as civil
construction, furniture, and lightweight structures.
Fully automatic steel pipe hydrostatic testing machine
The DORCO fully automatic steel pipe hydrostatic testing machine is
the main inspection equipment for welded pipe production. It adopts
PLC control, and each part of the work process is automatically
completed in sequence, with the function of automatic recording of
test result parameters. The pipe diameter range is from Φ 20 to Φ
3500mm, and the test pressure is 10-110MPa.
Fully automatic flat head chamfering machine
Steel pipe diameter: 20mm -3500mm, among which the flat head
chamfering machine with a diameter range of 60mm -339.7mm is a step
feeding high-speed flat head chamfering machine, suitable for
petroleum casing and ERW welded pipe production enterprises.
Ultrasonic flaw detector:
Take the initiative to alarm and spray marks if there are
shortcomings, and workers adjust parameters accordingly;
The parts with continuous ultrasonic testing marks on the weld seam
shall undergo manual ultrasonic and X-ray re inspection again;
Defects will be repaired and undergo non-destructive testing again
until they are confirmed to be cleared;
X-ray
The Duolek Heavy Industry X-ray equipment can not only detect
hidden welding points of various welded pipes, but also
intelligently analyze the detection results, providing an effective
detection method for achieving the goals of "first pass rate" and
"zero defects".
Application scope:
This production line is a specialized equipment for producing
straight seam welded pipes in industries such as metallurgy,
petroleum, construction, transportation, machinery, and vehicles.
Technical Specifications
| Model | Round Pipe (mm) | Square Pipe (mm) | Thickness (mm) | Speed (m/min) |
|---|
| DRC-12 | Φ4-Φ12 | / | 0.2-0.5 | 120 |
| DRC-16 | Φ6-Φ16 | / | 0.2-0.8 | 120 |
| DRC-20 | Φ8-Φ20 | 6x6-15x15 | 0.3-1.0 | 120 |
| DRC-25 | Φ10-Φ25 | 7x7-19x19 | 0.3-1.5 | 120 |
| DRC-32 | Φ12-Φ32 | 9x9-25x25 | 0.5-2.0 | 120 |
| DRC-50 | Φ20-Φ50 | 15x15-39x39 | 0.8-3.0 | 120 |
| DRC-76 | Φ32-Φ76 | 25x25-59x59 | 1.2-4.0 | 120 |
| DRC-89 | Φ42-Φ89 | 35x35-70x70 | 1.5-4.5 | 110 |
| DRC-114 | Φ48-Φ114 | 40x40-90x90 | 1.5-4.5 | 70 |
| DRC-140 | Φ60-Φ140 | 50x50-110x110 | 2.0-5.0 | 60 |
| DRC-165 | Φ76-Φ165 | 60x60-130x130 | 2.0-6.0 | 55 |
| DRC-219 | Φ89-Φ219 | 70x70-170x170 | 2.0-8.0 | 50 |
| DRC-273 | Φ114-Φ273 | 90x90-210x210 | 3.0-10.0 | 45 |
| DRC-325 | Φ140-Φ325 | 110x110-250x250 | 4.0-12.7 | 40 |
| DRC-377 | Φ165-Φ377 | 130x130-280x280 | 4.0-14.0 | 35 |
| DRC-406 | Φ219-Φ406 | 170x170-330x330 | 6.0-16.0 | 30 |
| DRC-508 | Φ273-Φ508 | 210x210-400x400 | 6.0-18.0 | 25 |
| DRC-660 | Φ325-Φ660 | 250x250-500x500 | 6.0-20.0 | 20 |
| DRC-720 | Φ355-Φ720 | 300x300-600x600 | 6.0-22.0 | 20 |
Size Range by Application
| Usage | External Diameter (mm) | Weight (mm) | Length (m) |
|---|
| Oil and gas pipelines | 406 - 1524 (16" - 60") | 6 - 40 (1/4" - 1.57") | 8 - 12.1 |
| Construction (pipe pile) | 350 - 1600 (14" - 63") | 6 - 60 (1/4" - 2.36") | 6 - 12 |
| Rolling tube | 1200 - 3800 (47.24" - 150") | 12 - 120 (1/2" - 4.7") | ≤3.2 |
Custom specifications available according to customer requirements
Application Scope
Specialized equipment for producing straight seam welded pipes in
industries including metallurgy, petroleum, construction,
transportation, machinery, and vehicles.
Customer Factory Inspection
Client Testimonials
Frequently Asked Questions
What information do we need customers to provide?
Duolek has an R&D Center focused on product development. We can
design and modify products according to customer requirements,
maintaining an open approach to customer service.
What's your quality control system?
We operate an ISO9001 Quality Management System. Our quality
control includes materials inspection, machining process control,
finished product testing, and pre-shipment inspection. Each step
has dedicated inspectors with recorded test results.
What payment terms do you accept?
We prefer bank transfer (T/T): 30% deposit with order confirmation
and 70% before shipment. Letters of Credit (L/C) are accepted for
orders over $200,000 USD.
What is your warranty policy?
All products carry a one-year warranty from delivery date against
defects in materials and workmanship. Normal wear and tear are not
covered.
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