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LK Group

LK Group

  • LK Armatur

    LK Armatur is a leading producer in Europe, manufactures millions of valves per year for the global HVAC market. Our solutions are based on a comprehensive view of how valves, control units, components and prefabricated products work together. Svenska English Deutsch Italiano Yкраїнська Suomi

  • LK Systems

    LK Systems is the leading manufacturer of easy-to-install systems for heating and tap water distribution and pre-insulated pipes in the Nordics. Through our prefabrication factory, we also provide tailor-made solutions that simplify the installation process even further. Svenska English Norsk Suomi

  • LK Pex

    Our PEX Pipe Extrusion business area is an innovative manufacturer of high-quality plastic pipes for the heating and plumbing industry. Our core is the efficient, high-technology production process for crosslinked PE-Xa pipes, resulting in products with a unique combination of flexibility and hydrostatic strength. English

  • LK Group

    LK is a family-owned trading and production group, operating on a global scale within the HVAC-area. We are the market leader in Sweden and has an increasing sales of products, systems and solutions in the Nordic countries, Europe and the USA. Svenska English

Soldering and welding

Welding

Welding managers are IWS certified.

We weld the following materials:

  • Stainless steel–Stainless steel

Manual welding

Complies with standard EN ISO 5817. All welders are certified according to EN ISO 6906-1.

Orbital welding

Complies with standard EN ISO 288-5. All welders are certified according to
EN ISO 14732.

Fillet welding

Complies with standard EN ISO 288-5. All welders are certified according to
EN ISO 14732.

  • Pipe-in-pipe
  • Performed manually

Butt welding

Complies with standard EN ISO 5817. All welders are certified according to EN ISO 6906-1.

  • Pipe-to-pipe
  • Can be performed manually or in an orbital welding machine

 

Soldering

Complies with standard EN ISO 12799, EN ISO 12797. All brazers are certified accord ing to EN ISO 13585.

We solder the following materials:

  • Copper–Copper
  • Copper–Brass/red brasses

 

 

  Heating system Tap water system
Orbital welding Yes Yes
Fillet welding Yes  
Butt welding Yes Yes
Soldering Yes Yes