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Leak testing with air pressure

Leak test of large-volume cast housings with differently designed ducts and connection openings

Leak testing with air pressure

Test principle

  • Introduction of air pressure into the sealed test piece
  • Pressure drop monitoring (leak)


  • 100% inspection
  • OK marking by means of punch marking
  • NOK documentation via label printing
  • Parallel use of several leak test devices, temperature compensation for standardised leakage evaluation
  • Channels to be tested can be freely combined
  • Test pressures (differential pressure method) can be freely selected

Changing devices

  • For different test pieces
  • Can be converted with overhead crane
  • Motorised/pneumatic supply of the seals for the test pieces from 5 sides
  • Detection system for defective seals (O-rings and rubber washers)


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