DELLOK High Frequency Welded Longitudinal Finned Tube 16-273mm OD with 4.0-38.1mm Fin Height for Heat Exchangers
Price:
$10 - 1000 /Piece/Pieces
MOQ:
1 piece
Delivery Time:
1-3 weeks
Brand:
Dellok Yonghui
Product Description
DELLOK High Frequency Welded Longitudinal Finned Tubes
DELLOK specializes in manufacturing high-frequency welded longitudinal finned tubes for industrial heat exchange applications. Our advanced welding technology ensures superior thermal efficiency and durability.
Manufacturing Excellence
Established in 2002 and now part of HARBIN AIR CONDITIONING CO., LTD., DELLOK operates with 66 million yuan in fixed assets and employs over 200 staff, including 33 technical experts. Our production capabilities include 47 finned tube production lines with an annual capacity exceeding 12 million meters.
Longitudinal Finned Tube Technology
Our longitudinal finned tubes feature resistance-welded fins in diametrically opposed pairs, formed from u-channels and pressure-rolled to the tube base. This construction method ensures maximum heat transfer efficiency with fins always in multiples of 4. Third-party inspection services are available.
Key Advantages
- Single-piece construction or welded bends available
- Bending tolerances compliant with TEMA and DIN/EN standards
- Superior thermal conductivity and efficiency
- Robust construction for demanding industrial environments
Technical Specifications
| Parameter | Specifications |
|---|---|
| Base Tube Sizes | 16 mm to 273 mm (10") and custom sizes available |
| Tube/Pipe Materials | Carbon Steel (A106, A333, A179, A210, P5, P11, P22, P9), Stainless Steels (304, 316, 321 Duplex, Super Duplex), Copper and Copper Alloys (Brass, Aluminum Brass, Copper Nickel 70/30 + 90/10), Nickel Alloys (400, 600 and 800 series) |
| Fin Materials | Carbon Steel, 11Cr Steel, Stainless Steel, Copper and Copper Alloys, Nickel Alloys |
| Fin Height | 4.0 mm to 38.1 mm |
| Fin Thickness | 0.8 mm to 1.5 mm |
| Number of Fins | Customized based on tube OD and application requirements |
Packaging & Shipping
We provide customized packaging solutions to ensure product safety during transportation. Special packaging requirements can be accommodated upon request.
Frequently Asked Questions
Q1: Are you a trading company or manufacturer?
We are a manufacturing factory and accept OEM orders. Factory visits are welcome to inspect our products and facilities.
Q2: Can I request a sample?
Yes, sample orders are available for quality testing. Mixed samples can also be arranged.
Q3: What is your production lead time?
Samples typically require 1-3 days, while mass production takes 15-30 days depending on order specifications.
Q4: What warranty do you provide?
We offer a one-year warranty on all products.
Q5: What payment terms do you accept?
We accept Trade Assurance, TT (Telegraphic Transfer), and Western Union payments.
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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