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DELLOK Longitudinal Straight Seam Welded Finned Tube

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Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.

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DELLOK Longitudinal Straight Seam Welded Finned Tube

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Brand Name :	Dellok Yonghui
Model Number :	Longitudinal Finned Tube
Certification :	ISO90001
Price :	$20 - 1000 /Piece/Pieces
Payment Terms :	D/P, T/T, Western Union, MoneyGram, D/A, L/C
Supply Ability :	TBD
Delivery Time :	1-3 weeks

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Company Profile

DELLOK Longitudinal Straight Seam Welded Finned Tube

^{DELLOK Longitudinal Straight Seam Welded 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.}

^{Longitudinal
Finned Tube Product Description:}

^{Longitudinal finned tubes are produced by welding the fins with
resistance along the length of the tube. The fins first form a
u-shaped channel, allowing each of the u-shaped legs to form a fin.
The channel is cut to the appropriate length and then welded into
place along the length of the tube and resistance. The channels are
a pair of welded, polar opposites, so the number of fins specified
must be a multiple of four.}

^{For a given tube or tube size, the desired heat transfer surface
area per tube unit length can be obtained by specifying the
appropriate fin height and number of fins. The maximum number of
fins depends on the outer diameter of the tube - the larger OD tube
can accommodate more fins.}

^{Longitudinal Fin Tube Manufacturing Process:}

^{The longitudinal fin tubes are welded onto the core plain tubes by
resistance welding or welding with filler metal.}

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

^{Provide 8 to 12 times the heat transfer area of bare tubes.}

^{Are more efficient than bare tubes.}

^{Provide smaller exchangers due to increased Heat Transfer area.}

^{Often provide a more economical selection.}

^{Fins can be "Cut & Twist" to increase shell side fluid turbulence
and improve heat transfer.}

^{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:}

^{We supply longitudinal finned tubes for:}

^{double pipe heat exchangers}

^{multi-tube heat exchangers}

^{fire rated heaters}

^{gas coolers}

^{tank heaters}

^{And we are able to accommodate the requirements of various
industries, including oil, power, chemical, and petrochemical.}

^{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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