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.
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.
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.
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.

Our prefabricated units bring components and functions together in ready-to-install solutions that simplify installation, save time on site and support reliable system performance. Choose from our standard range or work with us to develop a customised unit around your system’s technical requirements. For customised projects, we work closely with you from the first sketch to final delivery, ensuring that the completed unit integrates smoothly into the wider system.
Looking for something unique? We are happy to help you design the right prefabricated unit, built to meet your technical and commercial needs.