Werner & Pfleiderer GK255-N

Year: 1992 (overhaul 2002),
Mixing chamber volume: approx 251 litres
Useful volume (fill factor 0.75 with ZZ2 type rotors) approx 188.25 litres,
S.S.A. type dust rings,
Hydraulic drop door discharge with linear actuator and spade latch,
Hydraulic hopper,
Seegers 2 speed unidrive gearbox Gear box ratio 28:1 or 45:1 (Selectable via handle on gearbox),
Elin 1400kW AC motor (fixed speed) 1487rpm, 6000V AC motor and starter.
Rotor speed (selectable) 30/33rpm or 48/53rpm (friction ratio between rotors 1.1:1),
Complete with hydraulic unit, lubrication unit and Siemens S7 PLC control system.