These rail clamps are storm brakes suitable for high
forces: from 250 to 1500 kN.
They are self-blocking type; in case a force acts on the
crane and tends to put the same into motion, they press
on the rail sideways. This pressing gets stronger as the
crane moves. The rail clamps can withstand horizontal
The value of forces indicated are calculated with friction
coeff. of 0.25 (see after).
As the real coeff. in normal conditions is much higher
(approx 0,59 – TUV German register certificated), the
rail clamps can generate higher forces. Higher safety
and braking shoes life are guaranteed