JUST VACUUM has instituted and applies a certified Quality Management System according to DIN EN ISO 9001-2015. Our most important quality criteria is summarized in the following table.



Leakage rate
  • < 1.0 E-9 mbar l / s
  • welded parts are checked individually
  • test certificate available
Weld seam
  • inside or welded-through from outside
Surface quality

Milled parts:

  • blank
  • roughness N8, sealing surface N6, N7

Welded parts:

  • QF und ISO: glass bead blasted inside and outside
  • CF: inside blank, outside polished or glass bead blasted
  • roughness R8 or better
  • electro polished on request
  • oil- and grease-free
  • hydrocarbon-free
  • washed with de-ionized water
  • ultrasonic cleaning on request
  • dust-proof packed in bags or foil
  • protected against damage
  • clean room packaging on request