Finned Tube
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Stainless Steel Alloy Steel Serrated Finned Tube
Serrated fin tube is now more and more popular in the manufacturing of boiler, pressure vessel and other heat exchanger equipments. It has more advantages than other common solid fin tube.
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Inner fin tube; Internally finned tube
The inner finned tube is a new type of high efficiency heat exchange tube. Internally finned heat exchange tubes are widely used in air coolers,air compressor intercoolers,air compressor aftercoolers of Ingersoll Rand,Atlas Copco air compressors etc.
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ASTM A179 Embedded Finned Tube Steel Heat exchanger & Boiler Tube
ASTM A179 covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular, heat exchanger, condensers, and other heat transfer services. seamless ASTM A 179 steel tube is supplied and produced by cold drawning method. Chemical composition contains carbon, manganese, phosphorus, and sulfur.
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Extruded Fin Tube
Datang produces Extruded Fin Tubes which are manufactured by cold rotary extrusion process. The Extruded Fin is formed from an outer aluminium tube with a large wall thickness, which is aligned over an inner base tube. The two tubes are pushed through three arbors with rotating discs that literally squeeze or extrude the aluminium fins up and out of the muff material in a spiral shape in one operation. The process of extrusion hardens the fins and prevents dissimilar metal contacts at the fin root. The exposed external surface is aluminium and there are no minute gaps between adjacent fins where moisture can penetrate. This ensures good efficiency that is expected when using an extended surface for heat transfer. During the finning process a tight mechanical bond is made between the finned aluminium outer tube and inner base tube of the required metal.
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A213 T22 Finned Pipe Heat Exchanger Fin Tube Solid Type Cold Drawn
Tube Type:Seamless (Cold Drawn)
Ends:Plain ends or bevel ends.
Surface protection:black painting,anti-rust oil or varnish. -
G Type Embedded Spiral Finned Tube
The fin strip is wound into a machined groove and securely locked intd place by back filling with base tube material. This ensures that maximum heat transfer is maintained at high tube metal temperatures.
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T-Type High Efficient Heat Exchange Finned Tube
T fin tube is a kind of high efficient heat exchange tube that is made by rolling processing and molding of the light pipe. Its structure characteristic is forming a series of spiral ring T tunnel on the outside the pipe surface.
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Aluminum Copper Alloys Extruded Finned Tube
Extruded Finned Tube is made from mono extruded copper alloys. Fins are up to 0.400″ (10mm) high. Extruded fin tubes are formed helically out of a mono-metal tube. The result is an integrally formed finned tube with an excellent fin-to-tube uniformity providing exceptional efficiency and longevity. Whether rough service, high temperatures, or corrosive environment, extruded fin tubes are a great option for heat exchanger applications. High Finned Tubes can be annealed to a soft state for bending and coiling. This type of product is excellent for heating, refrigeration, machinery coolers, water-heaters, and boilers.
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Sprial Welding Finned Tube(Helical Finned Tubes)
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.
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L, LL, KL Finned Tube(Wound Finned Tubes)
Foot Finned Tubes are utilized into an heat exchanger, which does not exceed near 400 degrees, and used primarily in air-cooled applications (including large radiators and large compressor oil coolers).
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Laser Welding Finned Tube For Heat Exchanger
The heat exchanger is the key equipment of the thermal system, and the laser welding finned tube is an important part of the heat exchanger. For example, the tube and fin heat exchanger is a heat exchanger structure with high technical content and complex production process.
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H Type Finned Tube Rectangular Finned Tubes
H-economizer flash resistance welding processes used, the welding seam after the high rate of fusion, weld tensile strength, and has good thermal conductivity. H-economizer can also manufacture dual tube “double H” type fin tubes, its rigid structure, and can be applied to a longer tube row occasion.
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Studded Finned Tube Energy-Efficient Heat Exchange Component
The studs are welded to the tubes using electrical resistance welding, producing high quality welds. Studded tubes are mostly employed in preference to finned tubes in heat transfer systems in petrochemical plants, where the surface is exposed to very corrosive environment such as dirty gases or liquids. These tubes should be resistant to aggressive materials and must be cleaned frequently.
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G Type Finned Tube(Embedded Finned Tube)
G’ Fin Tubes or Embedded Fin Tubes are mainly used in air fin coolers and many different types of air-cooled radiators. These types of ‘G’ Fin Tubes mainly find application in areas where the temperature for heat transfer is in a slightly higher range. The Embedded Fin Tubes are mainly used in places with higher temperature and where the working atmosphere is relatively less corrosive to the base tube.
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ASTM A179 U Bend Heat Exchangers Tube
After U bend (cold forming), heat treatment of bending portion may be required. nitrogen generating machine (to protect stainless steel tube surface during annealing). Temperature is controlled through the entire heat-treated area by fixed and portable infrared pyrometers.