the fin strip is tension wound onto the base tube. Typical fin materials: carbon steel, stainless steel, copper, brass, and copper-nickel.

Size Range:

- Base tube size: 6-219.1 (other sizes upon request)
- Fins: 50-500 fins/meter

- Fin thickness: 0.2-1.5 mm

- Fin quantity and size depend on the diameter of the base tube. In case of deviation against the sizes of the opposite page, please ask us.

- Tolerances: Fin height: +/- 1mm

- Fins/meter: +/- 2%

- Plain ends: +/- 5mm

Fields of Application:

Climatic Industry, Cooling, Heating, Drying

Manufacturing Process

Fins are spirally wound on a base tube, without welding, just fin spot welded. Non-ferrous tubes and fins on either

Root soldered or completely tinned

Execution: black, galvanized, and for special applications

Stainless Steel, Copper, Brass, and/or Aluminium.

Ends can be beveled, or bent upon request.

in order to forward you a prompt offer we would be pleased to receive your detailed inquiry containing:

Base tube material and quantity

Base tube size

Fin material

Fin type

Fin diameter or height

Fin thickness

Fins per inch, meter, or fin pitch

Lenght of plain, unfinned ends
(necessary to roll or weld the tubes into tubeplate or assembly)