The quality assurance system complies with the relevant directives according to the ISO 9001 quality standards and products are built, tested and approved by NEN, CEN and DIN directives. Many medical devices for instance are approved according to the environmental standard ISO 14000.

Our policy is to apply personal involvement and technical expertise to advise you on the best possible way. Amongst a wide variety of gas related products we also offering the following support;

  • Product training
  • Maintenance and testing procedures
  • Calibration


ISO 9001:2008Trainings are delivered in an interactive small group-learning environment.
A substantial part of Katje Welding is responsible for the technical- and maintenance activities.
A well-functioning calibration system includes much more than the regular calibration of measuring instruments.
Full-scale service for optimum management of your valuable instruments.