Engine Block Cleaning

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Sinto’s engine block cleaning system’s cabinet is specially designed to clean the interior water and oil passages of engine blocks using steel shot. It is a fully automatic system that requires only that the block is properly positioned at the loading station. The engine block is conveyed through the machine via a lift and carry system. Blast nozzles in the cabinet move into close proximity of the block to blast target areas. The cabinet is made from ½” steel plate and lined with Lina-Tex rubber for high wear resistance and improved noise abatement.


  • Three blast stations with a total of 32 nozzles and one air blow-off station
  • Powered work doors open and close in sequence with the indexing of the lift and carry rails.
  • Media is reclaimed from the cabinet via a pneumatic conveying system. Dust collector features a high powered blower to draw the media and dust from cabinet
  • Dust and fines are removed by a cyclone separator. The reusable media goes through a vibratory screener to closely classify the media to appropriate size
  • Automatic shot adder to replace broken down shot removed by the screener. System includes low media level warning
  • Dual pressure pot configuration allows uninterrupted blasting during pot recharging periods
  • Two sets of pressure pots, each with 16 media drops to feed 16 pressure blast nozzles
  • Tungsten carbide blast nozzles for high wear resistance



Throughput30 blocks/ hour (varies by application)
Max Part Size38" L x 16" W x 16" D
Main Cabinet Dimensions168" L x 72" W x 84" H
Overall Machine Height340.39"
Required Compressed Air Supply1200 CFM @ 6 bar.
Blast Nozzles5/16" ID, qty. 32
Max Blast Pressure5 bar.
Max Abrasive Flow Rate: 28 lb/min per nozzle
Dust Collector Required2750 CFM @ 18" wg. / 2200 CFM@ 23" wg. with 15HP fan.