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.
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.
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.
16 April, 2025
Pre-insulated pipe system for transporting heating water and domestic hot water
LK Maxitherm PEX and Calpex PLUS+ are flexible, pre-insulated pipe systems available in two versions: one for heating and cooling, and one for domestic hot water. Both are optimised for cold conditions and maximum thermal insulation performance.
The pre-insulated pipe system is ideal for small and medium-sized installations and local heating networks, including industrial, agricultural, swimming-pool, domestic hot water and cooling applications.
Calpex PLUS+ also offers enhanced thermal insulation performance and has been developed for particularly demanding conditions.
LK Calpex PLUS+ is now available from well-stocked wholesalers.