Capstan Winches for Pipe Renewal Systems 20 – 1000 kN PULLING FORCE PRESELECTION WITH AUTOMATIC HOLD-ON (STATIC PULL) SYSTEM

Capstan Winches for Pipe Renewal Systems 20 - 1000 kN Pipe Cracking When cracking underground cast-iron pipes the winch will have to pull the cracking mole (PIM) through various obstructions, such as bell- and-spigot joints, sleeves, leak clamps etc. To avoid overstressing of the cracking mole each Bagela Pipe Renewal Winch is equipped with a line pull pre-selecting device, i.e. the pre-selected line speed is much higher than the pipe cracking speed. This system works as follows: as soon as the pre-selected line pull is reached, the hydraulic pump will be automatically controlled down to the...