p ar ts ca t al ogue 5 ALIV A SHOT CRETE MACHINES A LIV A AL 252 The Aliva AL 252 shotcrete machine has been considered the work horse of the mining and tunneling industr y for many years W ith output ranging from 35 m 3 to 110 m 3 per hour the Aliva AL 252 is ideally suited for high volume dr yprocess shotcrete operations This machine is most commonly used as a stand alone unit but it can also be integrated into a bulk type shotcrete system when installed on mobile equipment and fed by a bulk hopper The Aliva AL 252 Air Model allows for variable rotor speed controlled by an air motor The Aliva AL 252 Standard Model has a fixed output ONOFF The Aliva AL 252 T op Model allows for variable rotor speed controlled by a V ariable F requency Drive VFD Electric Drive machines r equir e compr essed air for material conveyance R OTOR S IZE H OSE D IAMETER C ONVEYING O UTPUT M AXIMUM A GGREGA TE S IZE 10 Litre 50 mm 35 70 m 3 hr 16 mm 16 Litre 60 mm 55 110 m 3 hr 20 mm