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DELLOK Carbon Steel Welded Stainless Steel Longitudinal Fin Tube

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Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.

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DELLOK Carbon Steel Welded Stainless Steel Longitudinal Fin Tube

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Brand Name :	Dellok Yonghui
Model Number :	Longitudinal Finned Tube
Certification :	ISO90001
Price :	$10 ≥1 Piece/Pieces
Payment Terms :	L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability :	10000 Piece/Pieces per Month
Delivery Time :	1-3 weeks

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Company Profile

DELLOK Carbon Steel Welded Stainless Steel Longitudinal Fin Tube

^{DELLOK Carbon Steel Welded Stainless Steel Longitudinal Fin Tube}

^{About Us}

^{Dellok(YONGHUI Radiating Pipe Manufacturing Co.,Ltd) was
established in 2002, which is located in Nanjing, China.We joined
HARBIN AIR CONDITIONING CO., LTD. in 2022 and became the most
professional industry manufacturer in 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.}

^{Longitudinal
Finned Tube Product Description:}

^{Welded Longitudinal Finned Tubes are produced by resistance welding
fins in the longitudinal direction along the length of the tube.
The fin strip is first formed into a U-shaped channel, such that
each leg of the U will form a fin. The channels are cut to the
appropriate length and then oriented along the length of the tube
and resistance welded in place. The channels are welded in pairs,
diametrically opposed — therefore the number of fins specified must
always be a multiple of four.}

^{For a given pipe or tube size, the desired heat transfer surface
area per unit length of tube can be obtained by specifying the
appropriate fin height and number of fins. The maximum number of
fins is dependent upon the tube outside diameter — larger OD tube
can accommodate a greater number of fins.}

^{Longitudinal Fin Tube Manufacturing Process:}

^{The longitudinal I/L or U fins are welded onto the base tubes by
resistance welding or welding with filler metal. U-Bend tubes with
LFW, Fins also possible.}

^{Longitudinal
Fin Tube(Carbon
Steel Welded Pipe) Advantages:}

^{1. Longer working life than others ordinary welding helical fin
tubes.}

^{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 tubes are widely used in horizontal heat
exchangers.}

^{Brown
Fin Tube Properties:}

^{Improve heat transfer efficiency in efficient space.}

^{Reduces installation space on required heat transfer surfaces.}

^{Reduce the cost of the equipment, and have a high operational
reliability.}

^{The pressure drop on the side of the tube is reduced and the
operation cost is reduced.}

^{The stiffness of steel tube is improved, and the seismic
performance of steel tube is improved.}

^{Enhance heat transfer, reduce flow resistance and metal
consumption.}

^{Longitudinal Finned Tube(Welded
Steel Pipe) Applications:}

^{1. Chemical-,petrochemical-,oil-,and power industry}

^{2. Heat exchanges}

^{3. Fired heaters}

^{4. Gas coolers and heaters}

^{5. Tank heaters.}

^{Longitudinal Finned Tube Specifications:}

^{Product Specification}
^{Tube OD}	^{16~273 (mm)}	^{3/8”~10”(NPS)}
^{Tube Wall Thk}	^{2.11~25.4 (mm)}	^0.08”~1”
^{Tube Length}	^{≤12,000 (mm)}	^{≤39 ft}
^{Fin Thk}	^{1.0~1.5 (mm)}	^{0.04”~0.06”}
^{Fin Height}	^{5~25 (mm)}	^{0.2”~0.98”}
^{Fin Pitch}	^1U~36U
^{Fin Type}	^{“U”or“I/L”}
^{Material Combinations}
^{Fin Material}	^{C.S. (most common grade: Q235B)}
	^{S.S. (most common grade are AISI 304, 316, 409, 410, 321,347)}
	^A.S.
^{Tube Material}	^{C.S. (most common grade: A106 Gr.B)}
	^{S.S. (most common grade are TP304,316, 321, 347)}
	^{A.S. (most common grade are T/P5,9,11,22,91)}

^{Product Categories : Longitudinal
Finned Tube}

^FAQ

^{Q1: Are you trading company or manufacturer?}

^{A: We are manufacture factory and we can accept OEM order. Welcome
to visit our factory and check our products.}

^{Q2: Can I have a sample ?}

^{A: Yes, welcome to place sample order to test and check quality.
Mixed samples are also OK.}

^{Q3: What is your the lead time for production?}

^{A: Generally Sample needs 1-3 days, mass production needs 15-30
days, also depends on your request.}

^{Q4: What is the warranty for your products?}

^{A :We provide one year warranty for the products.}

^{Q5: What payment terms do you accept?}

^{A :Trade assurance,TT,Western Union.}

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