Semi Crimped Fin

Semi Crimped Fin
This fin type is a non taper fin wrapped under tension around the base tube. The finning process results in a crimp forming at the foot of the fin. Fin is then welded to the base tube at the strip ends. Maximum operating temperature for this fin type is 250°C.
Fin material: Carbon/stainless steel or copper.
Tube materials: Carbon/stainless steel or copper and copper alloys.
Production Capability
Profins utilise 2 different types of finning equipment whose capabilities are as follows.

McElroy finning equipment

Base tube O/D: From 5/8" (15.88mm) to 2" (50.8mm) Fin height : From 1/4" (6.35mm) to 1" (25.4mm) Fin pitch : From 5 fins per inch to 12 fins per inch(196 fins/metre to 473 fins/metre) Fin Thickness: From 0.012" (0.30mm) to 0.031"(0.76mm) Base tube material: Dependent on fin type Fin material: Aluminium or copper Fin types : L, LL, KL, G

Razmussen finning equipment

Base tube O/D: From 5/8" (15.88mm) to 4" (101 .6mm) Fin height : From 1/4" (6.35mm) to 1" (25.4mm) Fin pitch : From 2 fins per inch to 9 fins per inch (78 fins/metre to 351 fins/metre) Fin Thickness: From 0.012" (0.30mm) to 0.040" (1mm) Base tube material: Carbon / stainless steel or copper and copper based alloys Fin material: Carbon / stainless steel or copper based alloys Fin types : Semi Crimped

Category: Helically Wound High Fin Tubes
Related Category: Aluminum Finned Tube  Copper Finned tube  Fin Tube Coil  Medium high fin tube  Low fin tube