Six core fin types, produced in our own workshops from 9 mm to 273 mm base tube diameter — extruded, embedded (G), L/LL/KL, high frequency welded, laser welded and integral. Custom materials, fin heights and pitches to your drawing.

Extruded (Bimetal) Finned Tube
- Best heat transfer per metre
- Aluminium or copper sleeve
- Up to 250 °C

Embedded (G-Type) Finned Tube
- Fin locked in a machined groove
- Up to 400 °C
- Refinery air coolers

High Frequency Welded Finned Tube
- Metallurgical weld
- Up to 600 °C
- Economisers and HRSG

Laser Welded Finned Tube
- Narrow heat-affected zone
- Thin fins on stainless
- Up to 700 °C

Integral Finned Tube
- Fin rolled from the tube wall
- Zero contact resistance
- Chiller and condenser retubes
Can’t see exactly what you need?
Studded, double-H, T-type, elliptical, flat-V, knurled and serrated variants are all in regular production. Browse the special geometries, or send a drawing and we will tell you whether it can be produced and at what price.
Other Finned Tubes
Studded, double-H, T-type, elliptical, flat-V and serrated geometries.
Technical Center
Selection rules, fin pitch and height guidance, material data and performance comparisons.
Applications
How each fin type performs in air coolers, refineries, power plants and HVAC.
Tell us the duty and we will select the fin
Tell us the tube diameter, fin height, fin pitch, materials and quantity — we reply with price and lead time within one working day.
