DELLOK L/LL/KL Aluminum Finned Tube Heat Exchanger - 260°C Max Temperature, Carbon Steel Base
Price:
$10 - 100 /Piece/Pieces
MOQ:
1 meter
Delivery Time:
1-3weeks
Brand:
DELLOK Yonghui
Product Description
Product Overview
DELLOK KL Carbon Steel Tube Aluminum Fin Heating Transfer provides efficient thermal exchange solutions for industrial applications. These L/LL/KL finned tubes are engineered for optimal heat transfer performance across various temperature ranges.
Manufacturing Excellence
DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.) has been a trusted manufacturer since 2002, operating from Jiangsu, China. With 66 million yuan in fixed assets and over 200 employees including 33 technical staff, we maintain rigorous quality control throughout the entire production process.
Finned Tube Types & Specifications
KL Finned Tube (Knurled Aluminum Tubing)
Manufactured with knurled base tube before wrapping L-shaped fin strip, providing enhanced bonding and superior heat transfer performance.
- Maximum Operating Temperature: 260°C (500°F)
- Tube Material: Carbon steel, stainless steel, copper, aluminum
- Fin Material: Aluminum or copper
L Finned Tube
Aluminum fin strip formed to L shape and tension wound to base tube.
- Maximum Operating Temperature: 150°C (302°F)
- Tube Material: Carbon steel, stainless steel, copper, aluminum
- Fin Material: Aluminum or copper
LL Finned Tube
L-shaped fin strip tension wound with overlapping fins for improved corrosion resistance.
- Maximum Operating Temperature: 180°C (356°F)
- Tube Material: Carbon steel, stainless steel, copper, aluminum
- Fin Material: Aluminum or copper
Technical Properties
| Property | L Type | LL Type | KL Type |
|---|---|---|---|
| Atmospheric Corrosion Resistance | Acceptable | Acceptable | Acceptable |
| Mechanical Resistance | Poor | Poor | Poor |
| Fin Contact | Interference Fit | Interference Fit | Interference Fit |
| Fin To Tube Bond | Moderate | Moderate | Moderate |
| Heat Transfer Efficiency | Moderate | Moderate | Moderate |
Key Advantages
L Finned Tube Benefits
- Suitable for low-temperature applications
- Most cost-effective finning method
- Failed fins easily removable during production
- No helical groove required on core tube
- Compatible with thin-walled tubes
- Withstands temperatures up to 130°C without atmospheric corrosion risk
LL Finned Tube Benefits
- Alternative to expensive extruded fins in corrosive environments
- Maximum operating temperature 170°C
KL Finned Tube Benefits
- Corrosion-resistant construction
- Enhanced vibration resistance
- Withstands temperatures up to 320°C (608°F)
- High thermal performance and stress resistance
- Protection from air corrosion
- Can replace any form of finned tube
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
- Contact condensing with cooling of circulating condensate
- Fossil and nuclear power plants
- Air conditioning systems (Freon, ammonia, propane)
- Household refuse incineration plants
- Compressor coolers and heat exchangers
- Paper making, tobacco, and building heating industries
- Spray drying systems in food industry
Custom Manufacturing
We provide customized finned tube solutions according to individual customer requirements and specifications.
Manufacturing Process
Applied fin tube is manufactured with strip wrapped under tension around the base of the tube. Fins are welded to the base tube at the strip ends for secure attachment.
Frequently Asked Questions
What is your lead time for production?
Sample production: 1-3 days | Mass production: 15-30 days
What is the warranty for your products?
We provide one year warranty for all products.
What payment terms do you accept?
Trade assurance, TT, Western Union
What are the modes of transportation?
Air freight, sea freight, express delivery - we select the most suitable method based on your 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