X46Cr13/4Cr13 LL-Foot Finned Tube for Air Pre-heaters - 230°C Working Temperature, Custom Lengths
Price:
$10 - 100 /Piece/Pieces
MOQ:
1 meter
Delivery Time:
1-3weeks
Brand:
DELLOK Yonghui
Product Description
LL-Foot Finned Tube for Air Pre-heaters
X46Cr13/4Cr13 stainless steel raw material LL-foot finned tubes designed for high-performance air pre-heater applications across industrial sectors.
Product Overview
DELLOK LL-foot finned tubes are manufactured using tension-wound L-shaped aluminum or copper fins on base tubes, providing efficient heat transfer solutions for air pre-heaters and heat exchangers.
Technical Specifications
Base Tube Material: Carbon steel, stainless steel, copper, aluminum
Fin Material: Aluminum or copper
Working Temperature: Up to 230°C
Fin Tube Length: Custom lengths available
Fin Type: L/LL/KL configurations
Finned Tube Types
L Finned Tube
Aluminum fin strip formed to L shape and tension wound to base tube
Max Temperature: 150°C
Cost-effective solution for low-temperature applications
LL Finned Tube
L-shaped fins wound with overlapping configuration
Max Temperature: 180°C
Enhanced corrosion resistance for demanding environments
KL Finned Tube
Knurled base tube with knurled fin foot for superior bonding
Max Temperature: 260°C
High thermal performance with vibration resistance
Key Advantages
- High production efficiency with uniform fin spacing
- Excellent heat transfer characteristics and finization ratio
- Base tube protection from air erosion
- Corrosion-resistant design for harsh environments
- Vibration resistance and thermal stress tolerance
- Cost-effective alternative to extruded fin types
Performance Properties
| Property | L Type | LL Type | KL Type |
|---|---|---|---|
| Atmospheric Corrosion Resistance | Good | Good | Excellent |
| Mechanical Resistance | Moderate | Moderate | High |
| Fin Contact | Interference Fit | Interference Fit | Knurled Bond |
| Heat Transfer Efficiency | Moderate | Good | High |
Industrial Applications
- Petroleum, chemical and petrochemical process industries
- Natural gas treatment systems
- 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
Manufacturing Process
Finned tubes are manufactured with strip wrapped under tension around the base tube. Fins are welded to the base tube at the strip ends for secure attachment.
Quality Assurance
DELLOK implements comprehensive quality control throughout the entire production process. Each batch undergoes sampling and testing with detailed records maintained for product traceability.
Customization Options
We provide customized finned tube solutions according to individual customer requirements, including specific materials, dimensions, and performance specifications.
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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