Murphy Thermal Energy Co., Ltd.
Brand: Murphy
Applicable Industry: Manufacturing Plant, Food &Amp; Beverage Factory, Construction Works, Energy &Amp; Mining, Other
Out-of-warranty Service: Video Technical Support, Online Support
Where To Provide Local Services (in Which Countries Are There Overseas Service Outlets): None
Showroom Location (in Which Countries Are There Sample Rooms Overseas): None
Video Factory Inspection: Provided
Mechanical Test Report: Provided
Marketing Type: Ordinary Product
Place Of Origin: China
Species: Fin Tube
Use: Heater Parts
Certification: Ul
Warranty Period: 1 Year
Service System: Free Spare Parts, Online Support
Packaging: wooden box
Productivity: 10000 Piece/Pieces per Month
Transportation: Ocean,Air,Express
Place of Origin: China
Supply Ability: TBD
Certificate: ISO90001
HS Code: 8108904090
Port: Shanghai
Payment Type: T/T
Incoterm: FOB,EXW
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
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