Kind and Materials of High-frequency-welding Spiral Fin Tubes
Type of weld able fin tubes: Without tooth and tooth punched
Weld able materials: Carbon steel, corrosion resisting steel, stainless steel, alloy steel
Application of the Products
Boiler economizer, power station exhaust-heat boiler, petrochemical engineering, every kind of exchangers
Specifications of High-frequency-welding Spiral Fin Tubes
Outside diameter D of the base tube: ф25 ~ 140 mm
Length L of the base tube: 1 ~ 12 M
Spacing t of fins: 5 ~ 30 mm
Thickness Sγof fin: 0.8 ~ 2.5 mm
Height ηg of fin: ≤ radius of base tube (8 ~ 30 mm)
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Materials of Cold-rolled Compound Fin Tube
Lining Tube: Carbon steel, stainless steel, copper
Fin: Aluminum
Application of the Products
Heat exchanger, baking box
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Specifications of Cold-rolled Compound Fin Tubes
Outside diameter D of the base tube: ф16 ~ 38 mm
Outside diameter D of the fin tube: ф35 ~ 70 mm
Length L of the base tube: 1 ~ 4 M
Spacing t of fins: 2.5, 3 or 7 mm |