The BPS and BS series of hammer grabs have been designed for the preparation of small to large diameter bored piles foundations in terrains of variable consistency. BPS and BS hammer grab can easily be adapted for operation in both single rope or double rope configuration and the high closing force of the jaws is guaranteed by a 6th line pull sheave transmission.
The BSP can be equipped to carry out excavations ranging from a minimum nominal diameter of 500mm up to maximum of 850 mm, whilist for the BS, the minimum is 850 mm and the maximum is 1750 mm.
Jaws sets of different diameters are interchangeable on the same grab body. A change is effective excavation diameter requires simple substitution of the following: pair of jaws, pair of jaw actuators, collar, upper guide ring for the BS version.