Spiral Square Longitudinal ERW Fin Tubings

Finned tube is mainly used for boiler economizer, air preheater, heat recovery, petrochemical industry cracking furnace etc.It can largely save energy and protect environment.Our company can produce finned tube from Φ22mm to Φ250mm according to GB or customer's require. According to the wing...

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Finned tube is mainly used for boiler economizer, air preheater, heat recovery, petrochemical industry cracking furnace etc.It can largely save energy and protect environment.Our company can produce finned tube from Φ22mm to Φ250mm according to GB or customer's require.

According to the wing shape and structure, finned tube can be divided into the following categories:

Square finned tube,spiral finned tube,Longitudinal Finned Tube,Helical Serrated Finned Tubes,inner finned tube.

1.Tube OD:On request from 12mm to 219mm.

Tube thickness:on request(less than 16mm)

FPI:On request(2.3mm to 30mm)

Fin thickness:On request(0.8mm to 4.0mm)

Fin height:from 5.5mm to 30mm

2.Base tube material: Aluminium, copper, brass, cupronickel, carbon steel, stainless steel, titanium, nickel alloy, corrosion-resistamce steel etc.

3.Fin material: Aluminium,carbon steel,alloy steel ,stainless steel ,copper and corrosion-resistance steel. if you need others material,contact us.

Applications: Aftercoolers, air coolers, air heaters, charge air chillers, condensers, convection heaters, electric heaters, evaporators, fluid coolers, gas coolers, heat pipes, hydrogen coolers, industrial tumble dryers, intercoolers, immersion heaters, oil coolers, radiators, refrigeration, solvent recovery and steam to air heat exchangers

Base Tube O.D (mm)

Base Tube Thickness (mm)

Fin Height (mm)

Fin Thickness(mm)

Fin NO.(Pc)

25.4 mm ~152.4 mm

1.0 mm ~4.0 mm

5.0 mm ~16.0 mm

0.89 mm ~1.5 mm

2 ~ 36

Base Tube Material

Fin Material

Tube Length (Mtr)

Carbon Steel ,Alloy Steel ,Stainless Steel

Carbon Steel ,Alloy Steel ,Stainless Steel

≤ 20Mtrs

INNED TUBES PRODUCTS & SERVCE AVAILABLE

I. Mechanical-forming thermal-transfer tubes

DR type-Extruded high fin tube (solid and serrated fins)

L type-wrap-on spiral fin tube

LL type-Overlapped footed spiral fin tube

KL & KLM type-wrap-on knurled footed fin tube

G base type-Embedded fluted fin tube

LF- integral low fin tube (knurled option)

I type-Crimped spiral fin tubes
Corrugated tube, spiral tube,

2. Welding-forming thermal-transfer tubes

HFW type -ERW High frequency resistance welding fin tube(Solid & Serrated Fins)

H/HH type ( DC welding square or rectangular fin tube) ,

Studs type(ERW studded tube)

Longitudinal welding fin tube (standard , preforated,cut & twist)

Single Row Flat finned tube & Elliptical Finned Tubes

3. Others service on request

Elbows, bends, U-tube, tube swaging

Tube spacer box (Material: SS, Alu. Galvanized/Zinc)

Fin material

Aluminum or copper

Tube materials

Carbon steel, Cr.-Mo. steel, stainless steel, copper, copper alloys,   etc.

Tube Dia.

5/8" [15.875mm] to 2" [50.8mm]

Tube Thick

>0.065" [1.65mm] depending on tube material

Tube Length

300mm to 20000mm

Fin Height

1.4" [6.35mm] to 1" [25.4mm]

Fin Pitch

5 to 13 fins per inch

Fin Strip Thickness

0.012" [0.30mm] to 0.020" [0.50mm]

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