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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.
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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.
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Check valves

Check valves

Check valves

Check valves - Assortment

Check Valve 5

Non-return valve 5 is used in heating and cooling systems.

6 Check Valve

Non-return valve 6 is used in heating and cooling systems.

8 Check Valve

Non-return valve 8 is used in heating and cooling systems.

BB-EA Check Valve

Non-return valve BB-EA is used in tapwater installations with protective covering to fluid category ...

KF-EA Check Valve

Non-return valve KF-EA is used in tapwater installations with protective covering to fluid category 2 and in heating and cooling systems, etc.

NN Check Valve

Non-return valve NN is used in heating and cooling systems.

NR Check Valve

Non-return valve NR is used in heating and cooling systems.

CO Built-in Check Valve

Non-return valve for tapwater, heating and cooling systems.

FK Built-in Check Valve

Non-return valve FC is designed for installation in coupling of type screw joint with flat gasket, i...

FO Built-in Check Valve

Non-return valve FO is designed for installation in coupling of type screw joint with flat gasket, i...

IO Built-in Check Valve

Non-return valve for tapwater, heating and cooling systems.

60 Swing Check Valve

Swing type check valve 60 is used in heating and cooling systems. The non-return valve has a soft-se...

528 Cartridge Check Valve

Cartridge-type non-return valve 528 is used as a non-return valve in heating and cooling systems.

288 AC-HA Vakuum Valve

Vacuum valve 288 AC-HA is used in tapwater installations with protective covering to fluid category ...

9C CA Backflow protection

Backflow preventer 9C CA is used in tapwater installations to fluid category 3. Backflow preventer 9...

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