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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.
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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.
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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

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

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New product: LK HydronicGroup H/C 125 DN 32

02 October, 2026

New product: LK HydronicGroup H/C 125 DN 32

We are expanding our pump group range with LK HydronicGroup H/C 125 DN 32, designed for heating and cooling systems with higher flow requirements.

Example installation.

The complete pump group has a c/c distance of 125 mm, 2-inch threaded connections and is available for direct or mixed supply. It includes a high-efficiency circulation pump, insulation and two ball valves with thermometers. An integrated check valve in the return helps prevent self-circulation, while cataphoresis-treated pipes provide effective corrosion protection.

Choose LK 861 for direct supply or LK 862 with an integrated three-way mixing valve for mixed supply. For cooling applications, LK 862 must be fitted with a suitable LK actuator to help prevent condensation and frost formation.

LK HydronicGroup H/C 125 DN 32