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DELLOK Chemical Indudtry Longitudinal Finned Tube

1 Piece
$5000 ≥50 Piece/Pieces
DELLOK Chemical Indudtry Longitudinal Finned Tube
Features Gallery Product Description Request A Quote
Fin Height: 2.5mm
Fin Height Tolerance: +/- 0.1mm
Fin Number: 20
Fin Pitch: 2.5mm
Fin Pitch Tolerance: +/- 0.1mm
Fin Thickness: 0.25mm
Fin Thickness Tolerance: +/- 0.03mm
Fin Type: Longitudinal
Material: Stainless Steel
Surface Treatment: Polished
Tube Diameter: 6.35mm
Tube Length: 1000mm
Tube Length Tolerance: +/- 0.5mm
Tube Material: Stainless Steel
Tube Wall Thickness: 0.5mm
Basic Infomation
Place of Origin: China
Brand Name: Dellok Yonghui
Certification: ISO90001
Model Number: Longitudinal Finned Tube
Payment & Shipping Terms
Packaging Details: wooden box
Delivery Time: 1-3 weeks
Payment Terms: T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability: 10000 Piece/Pieces per Month
Product Description

DELLOK Chemical Indudtry Longitudinal Finned Tube



About Us


DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.) was established in 2002, which is located in Jiangsu, China. After many years of development, the company now has 66 million yuan in fixed assets, more than 200 employees, and 33 technical staffs. We have 4 aluminum processing production lines, with the annual processing capacity of more than 20,000 tons; And we have 5 tube-drawing production lines; 47 fintube production lines, 1 imported production line from American with the brand of McElroy , with the annual production capacity of 12 million meters the above. Quality is the theme of eternal pursuit of winner -Production workshop- Meticulous works, standardized management system and systematic quality assurance are Dellok(YONGHUI)'s best commitment to quality. In Dellok(YONGHUI), the quality control is not only the detection of the final process, but throughout the entire production process. We implement a set of quality control and assurance systems. Each batch of pipes is sampled and tested, and records are kept as a quality guarantee for the final product.


                   DELLOK Chemical Indudtry Longitudinal Finned Tube 0




The Longitudinal Finned Tube are wildely used in following fields.

1. Chemical- ,petrochemical-,oil-, and power indudtry

2. Heat exchanges

3. Fired heaters

4. Gas coolers and heaters

5. Tank heaters.



The longitudinal I/L or U shape fins are welded onto the core plain tubes by resistance welding or welding with filler matal (Spot welded).

1. U bends tubes with longitudinal fins and fintube coils are avaiable for requesting.

2. Longitudinal fins types: one-piece shape, standard U bent shape, cut & twist, perforated type etc…

3. The fin channels are welded to the tubes in opposite pairs. Fin height, number of fins and fin thickness can be specified.

4. Fins can be applied to either OD tube or NB pipe.

Studded Tube Nailhead Tube

Brown Fin Tube

Welded Steel Pipe


DELLOK Chemical Indudtry Longitudinal Finned Tube 1



1. Longer working life than others ordinary welding helical Fin Tube.

2. Much safer and energy saving.

3. Increase the heat transfer rates for viscous liquids.

4. Perforated fin type used whenever drainage of liquid from fin channels become a problem.

5. Longitudinal Fin Tube are widely used in horizontal Heat Exchanger.





Product Specification
Tube O.D.: 12~273 (mm) 3/8”~10”(NPS)
Tube Wall Thk.: 2.11~25.4(mm) 0.08”~1”
Tube Length: ≤12000 (mm) ≤39 ft
Fin Thk.: 1.0~1.5 (mm) 0.04”~0.06”
Fin Height: 5~25 (mm) 0.2”~0.98”
Fin Qty: 1U~36U 1U~36U



why choose us


Our Quality
Our quality awareness stems from the roots of our being. Each product is produced as per customer specifications meeting or exceeding applicable codes and standards. Each product is inspected and related documents are maintained to ensure the compliance. Additional testing and Third Party Inspection Agency can be offered if required by customer for further assurance. We are always concentrated on improving the effectiveness of our Quality Management Systems.

Our Service
Our service means getting the job done the way customer want it done. We always have the customer in our mind atall times. We realize that the customers, needs are different and we have the ability to satisfy those needs. Whether processing on customer-supplied materials or supplying a job completely turnkey, you can always count on us.

Our Efficiency
We can work 24/ 7 to meet your needs. Our proprietary online quote system enables us to rapidly prepare the quotes and reply to you. Our shops can operate 24 hours a day by shifts to satisfy your urgent delivery time. We can also maintain emergency contacts anytime you need, no matter pre-sales or after-sales.


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Get in touch with us
Contact Person : Pax Yang
Tel : +862569521609
Fax : 86-25-6952-5709
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