• Customer: A manufacturer of pistons for conventional fuel as well as more obscure applications like ammonia, hydrogen, and methanol.

  • Item to Clean: Friction welded Pistons, Machine will accommodate up to an 8″ diameter x 8″ high piston. Heaviest piston weighs 11.3 kg or approximately 24.9 lbs.

  • Contamination: Water soluble machine coolant and other light soils

  • Cleanliness Required: Visually clean.

  • Dryness Required: As dry as possible. However, some residual moisture may remain in the deep cavity on top of pistons and ring groove areas

  • Production Rate:  It is desired to process weekly volume in approximately 23 hours = 2.968 pistons/hr or 20.21 seconds per piston.

  • Process Parameters: Wash and regenerative blowoff

  • Machine Type: Aquamaster RI-7200

Customer Background

Customer produces pistons for conventional fuel as well as applications like ammonia, hydrogen and methanol.


Customer wanted water soluble coolant and other light oils removed from the pistons.


Alliance provided an Aquamaster RI-7200 rotary indexing machine with a wash and regenerative blowoff that was capable of removing the water soluble coolant and light soils from the pistons.