Spiral fin tubes
High frequency welded Helical fin tubes with solid or serrated fin
This light and cost effective construction is the best alternative when choosing heat exchangers for clean gases as natural gas, propane and air. It provides a sturdy construction and can be varied in a wide range of dimensions.
Spiral fin tubes from Ekströms Värmetekniska AB are completely high frequency welded in the contact surface between the fin and the tube to give the best heat transfer.
Ekströms offers both solid and serrated, (segmented), type of fin.