High Quality High Frequency Fin Tube, Stainless Steel Tube, Air Dry Heating Tube Suppliers in China

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High Frequency Stainless Steel Air Dry Finned Tube

High Frequency Stainless Steel Air Dry Finned Tube

    Unit Price: 10 USD
    Min. Order: 1 Piece/Pieces
    Packaging: wooden box
    Productivity: 10000 Piece/Pieces per Month
    Brand: Murphy
    Transportation: Ocean,Air,Express
    Place of Origin: China
    Supply Ability: TBD
    Certificate: ISO90001
    HS Code: 8108904090
    Port: Shanghai

Basic Info

Model No.: murphy-03

Product Description

High Frequency Welded Fin Tube Product Description:

High frequency welding spiral solid fin tube is manufactured by helically wrapping continuous fin strip on tube. HF Resistance Welding Usually Employs Frequency Of 400 kHz. The fin wound around the tube and continuous weld. The fin strip is wounded spirally onto the tube and welded continuously with a high frequency electrical process to the base tube along the spiral root. The fin strip held under tension and confined laterally as it is formed around the tube, thereby ensuring that the strip is in forceful contact with the base tube surface.

High frequency welding spiral serrated fin tube is now more and more popular in the manufacturing of boiler, pressure vessel and other heat exchanger equipment. Spiral serrated finned tube, serrated fins cut from metal strip and then helically wound around the tubes. Others are same as high frequency welded solid finned Tubes Pipes.

The important features of this configuration are efficiency, effective bond of fins to tubes under all conditions of temperature and pressure, and ability to withstand high fin side temperatures. This serrated fin configuration is even better to withstand the fin fouling if that is a problem in the application. This gives better heat transfer properties compared to solid fin.

Electric Resistance Welded Pipe

High Frequency Finned Tube Manufacturing Process:

The steel fin is helical wound and continuously welded to the tube by high frequency electric resistance welding(HFERW). The high-frequency current is introduced into the work piece, and the welding contact surface is melted or semi-melted by resistance heat, then apply appropriate pressure to the weld contact surface to complete the welding of the finned tube. This produces an homogeneous, clean and continuous fin-to-tube bond with no additional weld material, for a very efficient heat flow and resistance to corrosion.

Welded Aluminum Pipe

High Frequency Welded Fin Tube(Electric Resistance Welded Pipe) Advantages:

1.Simple and economical installation High frequency welding spiral fin tube are with zero connection point, so that the installation is more economical, fast, and reduce the probability of leakage at the joint.

2. Easy maintenance. After installation, high-frequency welded spiral fin tube doesn’t need additional maintenance.

3. High efficiency High frequency welding spiral fin tube is full contact welding between fin and steel tube whose heat dissipation area is more than 8 times of bare tube. In addition, the smooth internal wall reduces water flow resistance as well.

4. Long service life, Fin and pipes are combined with high mechanical strength whose tensile strength is more than 200 Mpa. Both inside and outside of the tube are treated with hot dip galvanized processing.

High Frequency Finned Tube

High Frequency Welded Fin Tube(Welded Aluminum Pipe) Properties:

Manufacturing Process:- Continuously Welded Spiral Fin Tube

Fin To Tube Bond:- Excellent

Heat Transfer Efficiency:- Excellent

Mechanical Resistance:- Excellent (Hence can be frequently cleaned with high pressure jets unlike other fin tubes. Thereby reducing down time and increasing overall life)

Corrosion Protection:- Moderate

Temperature Range:- Up to Maximum 500 Deg C

High Frequency Welded Fin Tube

High Frequency Welded Fin Tube(Spiral Welded Pipe) Applications

High frequency welded spiral finned tubes are generally used for petrochemical industry and mostly installed on the convection sections of fired heaters, waste heat boilers, economizers, air preheaters, and heat exchangers involving the transfer of heat from a hot fluid to a colder fluid through a tube wall.

Fin Tube

High Frequency Welded Fin Tube(Spiral Welded Pipes) Specifications

Product Specification
Tube OD 16~273 (mm) 3/8”~10”(NPS)
Tube Wall Thk 2~28.6 (mm) 0.08”~1.1”
Tube Length ≤28,000 (mm) ≤92 ft
Fin Thk 0.5~3.5 (mm) 0.02”~0.14”
Fin Height 8~35 (mm) 0.31”~1.3”
Fin Pitch 3~333 FPM 1~8 FPI
Fin Type Solid, “U”or"V” Serrated
Material Combinations
Fin Material C.S. (most common grade: 08F)
S.S. (most common grade are AISI 304, 316, 409, 410, 321,347,2205)
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)
Type of Service High temperature

Electric Resistance Welded Pipe

Murphy Thermal Energy Co., Ltd.

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 Founded in 2019, our company is a high-tech enterprise integrating research, the design, manufacturing and the installation of thermal conversion equipment. our company specializes in the production of cooper tube, metal tubes and Aluminum tube extrude finned tube, high frequency finned tube, laser welded finned tube, U bent tubes, coil, heat exchanger.

Application Area:
Petroleum, chemical and petrochemical industries;
Environment Energy saving,
Chemical, Printing,
HVAC, Marine,
Pharmaceutical Natural gas treatment;
Steel industry: Blast furnace and converter system;
Power generation: condensation of exhaust gas from steam turbine, condensation water contact cycle cooling condensation, fossil and nuclear power plants;
Air conditioning (freon, ammonia, propane);
Waste incineration Equipment; Compressor cooler,

Our company has a 12,000 square meters workshop, we have a fully automation numerical control cutting machine, high frequency welded finned tube line, laser welded finned tube line, extruded finned tube line. Guided by customer need, our company continues to provide high-quality fin tubes and heat exchanger for the global thermal energy industry. Our company has a professional team composed of several thermology doctors, masters and related engineers. We can provide non-standard thermal conversion products according to customer needs, to meet the needs of various customers.

We deploy our team on your projects, who has already designed and engineered 2000 plus successfully operating tailor-made projects over the past 29 years.

Our Systems have been engineered & supplied to meet the Energy Saving & Heat transfer needs of every industry- Power Plants, Petrochemicals, Oil& Gas, Chemicals,Automobile, Food and Beverages, Steel, Textiles etc.

We have expertise in Conceptualizing, Process Designing, Detail / Field Engineering, Automation/ Instrumentation/ Electrical Engineering, Manufacturing/ Shop / QA drawings & Documentation conforming to various international codes & standards for all types of thermal systems and equipment such as:

a. Waste Heat Recovery based Power Plants, Combined Cycle Power Plant
c. Heat Exchangers/Pressure Vessels
d. Thermic Fluid Heaters and other Fired Boilers.
e. Hot Water Generators & Air Heaters

Company Info

  • Company Name: Murphy Thermal Energy Co., Ltd.
  • Representative: Du Shuyang
  • Product/Service: Fin Tube , High Frequency Finned Tube , Extruded Fin Tube , U Bend Tubes , Laser Welding Fin Tube , Finned Tube Coil
  • Capital (Million US $): 5000000
  • Year Established: 2019
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): US$50 Million - US$100 Million
  • No. of Production Lines: 18
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: No. 2, Zhongsheng Road, Huangtang, Xuxiake Town, Jiangyin City
  • Contact Person: Ms. Susanna Tang
  • Tel: 86--13773013809
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