Component assembly from A-Z

  • Aerni AG is your reliable partner for small to large series as well as for simple or complex component assembly.
  • We plan, manufacture and install your entire assembly from A-Z. Our engineering department is also happy to take on the design and construction.
  • We offer you customised solutions for welding steel, chromium-nickel steel, high-strength steels and mixed joints - using MAG and TIG processes.
  • Our focus is on the following areas
    •  Steam systems and process industry
      • Electric steam generator
      • Pressure vessel construction
      • Pipeline construction
      • Steam and gas control line assemblies
      • Heat exchange systems
      • Condensate lifting stations
      • Special appliances according to customer specifications
    • Vehicle and mechanical engineering
      • Vehicle construction assemblies
      • Welded constructions with subsequent machining
      • Repairs and operational maintenance work
      • Component assembly
      • Gluing work
    • We are also happy to be your strong partner outside of these areas. Contact our team for a non-binding offer.

This is important to us

  • Highly trained and certified staff
  • Modern systems and investments in the future
  • Welding according to norms while complying with quality standards
  • Ensuring consistent documentation and certification procedures
  • Ensuring the required test procedures in-house (X-ray RT, visual inspection VT, penetrant testing PT)
  • Precise and punctual production according to drawings at the best possible prices
  • Partnerships and strategic sourcing for reliable and cost-effective procurement
  • Collaboration with our customers to feed any cost reduction potential we identify from our production back into your design
  • On request, we can also deliver the complete assembly to you and support you with on-site installation if required

Authorisations and management systems

  • ISO 3834-2:2021: Quality requirements for the fusion welding of metallic materials
  • EN 15085-2 CL1: Authorisation for the welding of rail vehicles and vehicle parts.
  • 2014/68/EU Manufacture of pressure vessels and pipelines
  • ISO 9001:2015: Quality management system
  • European Adhesive Bonder EAB acc. DVS/EWF3305