p ar ts ca t al ogue 4 ALIV A SHOT CRETE MACHINES A LIV A AL 237 The Aliva AL 237 shotcrete machine is the ideal machine for small to midsized shotcrete applications Based on the rotor size the Aliva AL 237 has output capabilities ranging from 02 m 3 to 40 m 3 per hour As such this machine is ideal for applications such as concrete patchwork and restoration swimming pool construction joint filling slope stabilization and refractor y work The Aliva AL 237 Air Model allows for variable rotor speed controlled by an air motor The Aliva AL 237 Standard Model has a fixed output ONOFF The Aliva AL 237 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 07 Litre 32 mm 02 05 m 3 hr 6 mm 20 Litre 32 mm or 38 mm 06 14 m 3 hr 12 mm 36 Litre 38 mm 11 25 m 3 hr 12 mm 56 Litre 50 mm 17 40 m 3 hr 16 mm