DELLOK Copper L Type Spiral Finned Tube - 150°C to 260°C Temperature Range for Heat Exchangers
Price:
$10 - 300 /Piece/Pieces
MOQ:
1 meter
Delivery Time:
1-3weeks
Brand:
DELLOK Yonghui
Product Description
DELLOK Copper L Type Spiral Finned Tube
DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.) specializes in high-performance finned tube solutions for industrial heat transfer applications.
Product Overview
L/LL/KL Finned Tube Types
L Finned Tube: Aluminum or copper fin strip formed to L shape and tension wound to base tube. Maximum operating temperature: 150°C.
LL Finned Tube: L-shaped fin strip tension wound with overlapping fins. Maximum operating temperature: 180°C.
KL Finned Tube: Base tube knurled before and after fin wrapping for enhanced bonding. Maximum operating temperature: 260°C.
Manufacturing Process
Fin strip wrapped under tension around base tube with welded fin ends for secure attachment.
![Finned tube manufacturing process diagram]()
Technical Advantages
- L Type: Cost-effective solution for low-temperature applications up to 150°C
- LL Type: Corrosion-resistant alternative to extruded fins, rated for 180°C
- KL Type: Superior heat transfer with knurled bonding, withstands 260°C
- High finization ratio with uniform fin spacing
- Base tube protection from atmospheric corrosion
Technical Specifications
| Parameter | Specification |
|---|---|
| Fin Type | L/LL/KL Spiral Finned Tube |
| Tube Material | Carbon steel, stainless steel, copper, aluminum |
| Fin Material | Copper, aluminum |
| Fin Tube Length | Customizable (No Limit) |
| Working Temperature | Up to 260°C (KL Type) |
| Atmospheric Corrosion | Resistant |
| Heat Transfer Efficiency | Moderate to High |
Industrial Applications
- Petroleum, chemical and petrochemical process industries
- Natural gas treatment facilities
- Steel industry: blast furnace and converter systems
- Power generation: steam turbine exhaust condensing
- Fossil and nuclear power plants
- Air conditioning systems (Freon, ammonia, propane)
- Incineration of household refuse
- Compressor coolers and heat exchangers
Company Capabilities
Established in 2002 with 66 million yuan in fixed assets, DELLOK operates 47 finned tube production lines with annual capacity exceeding 12 million meters.
![Knurled aluminum tube manufacturing process]()
Frequently Asked Questions
What is your lead time for production?
Sample: 1-3 days, Mass production: 15-30 days
What is the warranty for your products?
One year warranty provided
What payment terms do you accept?
Trade assurance, TT, Western Union
What are the modes of transportation?
Air freight, sea freight, express delivery based on requirements
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.
Location
No.18 Tianyue Road,Yanzhou,Jiangsu China
Contact Person
Peter Cheng