STATIONARY ROCK BRAKER TYPE URB/NPR-4
 
Mining excavation's parameters
Height:   min. 3,0 m
Width:   min. 6,0 m
Technical data of URB device
Boom's reach:   6 000 mm
Boom's turning angle:   ± 39°
Total weight:   ca. 5 000 kg
Hydraulic hammer parameters
Impact energy (range):   400 J ÷ 1 900 J
Working pressure (range):   10 Mpa ÷ 17 MPa
Oil flow (range):   20 l/min. ÷ 120 l/min.