WELDED FIN

ALUMINUM HIGH FIN

Welded fin pipes are used for Boiler, Preheater, HRSG and Furnace heaters.

We provides a standard welded fin pipe but also customized special fin types.

Fin types are

  1. SOLID TYPE
  2. SERRATED TYPE
  3. LONGITUDINAL WELDED TYPE
  4. STUD WELDED TYPE
  5. U SHAPE CHANNEL TYPE
  6. H WELDED Type
DUSUNG METAL
WELDED FIN PIPES

APPLICATION

Boiler, Preheater, HRSG, Super Heater, Heating coil for the Oil etc.

PRODUCT RANGE

  1. Tube Out diameter: 1” (25.4) ~10”
  2. Fin thickness: 0.8mm~3.2mm
  3. Fin material: A1008(CS), TP409, TP304, TP316
  4. Fin height: 9mm~38mm
  5. Fin pitch: 60FPM~315FPM
  6. Finning length: 18meter
  7. Material: Carbon steel, Low alloy steel, Austenitic stainless steel tubes
  8. Stud OD: 12.7mm / 63Plane/meter / 15.8,19.05Height

APPLICATION

  1. Power plant boiler heating surface
  2. High temperature economizer
  3. Low temperature economizer
  4. Air preheater
  5. Fired heater

MAIN MATERIAL

  1. Carbon steel
  2. Stainless steel
  3. Alloy steel
  4. Nickel alloy
  5. CuNi (Brass fin soldering)

STANDARD WELDED FIN PIPE

DUSUNG METAL SOLID/SERRATED TYPICAL HIGH FREQUENCY WELDD FIN
Solid type
Serrated type(Fin tip part to be serrated for better performance
DUSUNG METAL LONGITUDINAL WELDED FIN PIPE
U Shape fin material to be welded to the pipe wall Fin Pitch to be modified by qty of U Fin
DUSUNG METAL STUD WELDED FIN PIPE
Stud to be spot welded to the pipe surface After welded, PWHT performed

OTHER WELDED FIN

H Fin pipe

DUSUNG METAL

Soldered U Channel Fin(Brass)

DUSUNG METAL

Rectangular Fin

DUSUNG METAL

HRSG

DUSUNG METAL

Coil pipe

DUSUNG METAL After finned, the fin pipe could be bent and coiled with pipe or drum.
The end of fin pipe shall be beveled as per B16.25
Coil bundle to be Air or Hydro pressure test after assembled