We purchase products which require different technologies.
For an easier communication with our purchasers, and to use the same terminology, find below the distribution of DEFINOX purchasing :

  • Raw materials  :steel bars and tubes
  • Forging   : 1/2 bodies - electroforged leaf valves- body forging - butterfly flaps
  • Casting  : cire perdu - sand
  • Steel working  : turning - milling
  • Seals  : EPDM - silicone - PFA - FKM
  • Springs :
  • Other products we buy :

    • steel cut - mechanical welding
    • sheet metal working
    • plastic injection
    • screws
    • plastic works
    • connecting accessories
    • purchased pieces

If you want to make an offer, please contact : Stephane-Chollet@defontaine.com

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