Murphy Thermal Energy Co., Ltd.
Model No.: murphy-35
Brand: Murphy
Status: New
Applicable Industry: Machinery Repair Shops, Manufacturing Plant, Energy &Amp; Mining, Other
Out-of-warranty Service: Video Technical Support, Online Support, Spare Parts
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: Heat Exchanger Tube
Use: Heater Parts
Certification: Ce
Warranty Period: 1 Year
Service System: Free Spare Parts, Video Technical Support, Online Support
Packaging: wooden box
Productivity: TBD
Transportation: Ocean,Air,Express
Place of Origin: China
Supply Ability: TBD
Certificate: ISO90001
HS Code: 7322190000
Port: Shanghai
Payment Type: T/T
Incoterm: FOB,EXW
Longitudinal Finned Tube also called Brown Fintube , which produces by high frequency resistance welding fins in the longitudinal direction with the length of the tubes.
I/L or U fins welded longitudinally onto the base tube. Also U-Bend execution possible
Materials:
Carbon Steels, Alloy Steels, Stainless Steel, Nickel Alloys, and others
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.
High Frequency Welded Fin Tube
Longitudinal Straight Seam Welded Finned Tube
Boiler Laser Welded Finned Tube
Laser Welded Finned Tube
Application:
Chemical-, Petrochemical-, Oil-, Power Industry,Heat-Exchangers,Fired Heaters,Gas Coolers and Heaters,Tank Heaters
Advantages:
Increase of heat transfer rates for viscous liquids. Perforated fin type used whenever drainage of liquid from fin channels become a problem. Widely used in horizontal heat-exchangers.
As the distance between the longitudinal finned tubes increases, the drag coefficient and pressure drop are generally flat. This is because the overall complexity of the flow channel does not change significantly, and the flow velocity of the fluid in the flow channel changes little. Less affected.
The change of the longitudinal finned tube spacing will not cause the change of the heat exchange area. During the calculation process, the hydraulic diameter on the air side remains unchanged, which has little effect on the fluid Reynolds number, but the heat transfer factor and heat transfer have a slight effect when the longitudinal spacing increases. This is due to the fact that the increase in the longitudinal spacing increases the heat transfer area of the air when it flows in the Heat Exchanger.
In general, changing the longitudinal spacing to enhance the heat transfer performance of the Finned Tube Heat Exchanger has little effect.
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 Fin Type: “U" Material Fin Material: Ø C.S. (most common grade: Q235B) Ø S.S. (most common grade are AISI 304, 316, 409, 410, 321,347) Ø A.S. Tube Material: Ø C.S. (most common grade: A106 Gr.B) Ø S.S. (most common grade are TP304,316, 321, 347) Ø A.S. (most common grade are T/P5,9,11,22,91)
Product Categories : Longitudinal Finned Tube
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