maximum workpiece length: 22 000 mm maximum diameter tube: 25,4 - 101,6 mm maximum pipe thickness: 2,0mm - 10mm works as a welding line, line for the production of ribbed pipes we have 2 pcs Price: on request   This is a device that continuously supplies pins so that the machine does not stop. This device automatically supplies pins to the machine even during the coil exchange process between the first and second pin coilers , and controls the tension of the pins using a tension controller so that the pins are supplied to the machine at a constant rate. Finning Tubes Highfrequency welding method Automated spiral tube finning line  based on  high-frequency  welding method,  manufactured  in South Korea  was  put  into  operation.  Finning parameters:  plain  tube  diameter   16 ... 219  mm,  tube wall thickness  1,5 ... 15  mm,  postweld fin height 10 ... 28 mm,  strap  thickness  0,8 ... 2.5 mm, fin pitch

3. .. 25,4 mm, maximum  finned  length 22 000 mm.  Tube material:  carbon low-alloy pipes. Tube fin