... approval. suit to pipes 20-150mm, the longest cleaning length is 30 meters. Multifunctional, heavy duty, compact ... of the machine to accommodate different working environment. Using soft shafts of Dia. 8mm, the cleaning diameter ... shafts can be lengthened at will, with a cleaning length up to 30 meters. Using sectional helical ... ; Frequency of 50Hz and 60Hz, optional. Rothenberger drain cleaning machine