A high-quality steel construction is the basis of a long-lasting screen cleaning machine. Therefore, we manufacture carriageways and supports of the screen cleaning machines exclusively in the EXC3 design class according to DIN EN 1090-2.

Details under: Welding certificate for welding of steel structures

We also offer our customers our many years of experience in steel construction for a wide range of steel components as contract manufacturing. We have certified welders, technical equipment and filler materials for various welding processes:

  • ISO 4063-111 Steel and stainless steel: manual arc welding
  • ISO 4063-135 Steel: Metal active gas welding
  • ISO 4063-136 Stainless steel: Metal active gas welding with welding powder filled wire electrode
  • ISO 4063-141 Stainless steel and aluminum: Tungsten inert gas welding
  • ISO 4063-131 Aluminium: Metal inert gas welding


  • Manufacturer qualification according to EN 1090-2:2008+A1:2011
  • Construction class EXC3 according to EN 1090-2
  • Certified welders according to DIN 9606-1 for processes: 111, 135, 141
  • Certified welders according to DIN 9606-2 for processes: 131

Apparatebau-Münster GmbH

Geschäftsführer: Kai Schawe

Kaddenbusch 2

25578 Dägeling

Phone +49 4821 89 99-0

Fax +49 4821 89 99-19