Shandong Dorco Heavy Machinery Co., Ltd.
                                                                                                           
Verified Supplier
Years
Since
Menu

Customized High Frequency Straight Seam Welded Pipe Unit for Oil and Gas Pipelines with Stable Molding

Price Negotiable
Price: 200000 - 1190000 USD per set
MOQ: 1 set
Delivery Time: 45 - 75 working days
Brand: Duolek
Product Description
Customized High Frequency Straight Seam Welded Pipe Unit
The Duolek longitudinal welded pipe unit combines reliability and advanced technology, making it an ideal solution for various industrial applications including oil and gas pipelines.
Key Features
  • High frequency straight seam welded pipe unit: Advanced technology with stable molding and quick specification changes for diverse production needs
  • Fully automatic steel pipe hydrostatic testing machine: PLC-controlled with automatic recording (Φ20-Φ3500mm, 10-110MPa)
  • Fully automatic flat head chamfering machine: Handles diameters from 20mm to 3500mm, with high-speed operation for petroleum casing
  • Ultrasonic flaw detector: Automatic alarm and marking system with manual verification process
  • X-ray inspection: Intelligent analysis of weld points for quality assurance and defect prevention
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
Duolek Straight Seam Welded Pipe Unit in operation
Duolek Straight Seam Welded Pipe Unit in operation
Close-up view of welded pipe production
Close-up view of welded pipe production
Application Scope
Specialized equipment for producing straight seam welded pipes in industries including metallurgy, petroleum, construction, transportation, machinery, and vehicles.
Industrial applications of straight seam welded pipes
Industrial applications of straight seam welded pipes
Customer Factory Inspection
Customer inspection at Duolek factory
Customer inspection at Duolek factory
Client Testimonials
Customer testimonials about Duolek products
Customer testimonials about Duolek products
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.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shandong Dorco Heavy Machinery Co., Ltd.
Location North of Zhuzhu Road, Puji Town, Jiaozhou City, Qingdao, China
Contact Person Sophie

Request A Quote

Please check your email address.
Your message must be at least 20 characters.