contraplex wide chamber impact pin mill with 2-driven counter rotating pin discs, throughput 1.2 ton/hour, housing disc belt driven by 48kw, 3/50/660 volt, 1480/2800 rpm Ex II T3 motor, front door disc belt driven by 36/49kw, 3/50/660 volt, 1150/1550 rpm Ex II T3 motor, hinged front door ,