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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

Product Sustainability

Designed with the whole life cycle in mind

A product's environmental impact begins to take shape long before it reaches the customer. That is why we consider the whole life cycle as we develop our products – from materials and design to packaging, performance in use and what happens at the end of life. By combining environmental data with engineering expertise, we look for ways to reduce impact while maintaining the function, quality and reliability our customers depend on.

Smart material choices

The materials used in and around a product account for an important part of its environmental impact. That is why we consider recycled content, technical performance, substance requirements and packaging when deciding what goes into our products and how they reach the customer.

551 552 brass bodies

Inside the product

Material choices must support performance, safety and durability while helping us reduce environmental impact.

  • Recycled content: Our brass components contain approximately 75% recycled material, helping reduce demand for virgin metals and the emissions associated with producing them.
  • Supplier collaboration: We work with suppliers to improve our understanding of material composition, recycled content and environmental impact. This supports informed choices without compromising technical performance.
  • Hazard reduction: We monitor applicable material and substance requirements, including REACH and RoHS, as part of our product and supplier processes.

Around the product

Packaging must protect the product throughout storage and transport, but it should not use more resources than necessary.

  • Packaging and PPWR: We have reviewed and updated our packaging to meet applicable requirements under the EU Packaging and Packaging Waste Regulation (PPWR), including those concerning recyclability and harmonised labelling.
  • Less material and waste: We continue to review packaging materials and formats to reduce unnecessary material and improve recyclability while maintaining effective product protection.
LK Armatur water packaging

Designed for a long life

Durability starts with designing for the conditions a product will face. We combine carefully selected materials with reliable engineering to create products that perform over time, while also considering maintenance and eventual recycling.

Exploded view of LK 840 valve
  • Built to last: Our products are developed and tested for the operating conditions of their intended applications, supporting reliable performance over time.
  • Maintenance and spare parts: Where available, spare parts and repair kits can extend service life and reduce the need to replace the complete product.
  • Material separation: Where technically possible, we consider how products can be disassembled and their materials sorted for recycling at the end of their useful life.

Supporting more efficient systems

Many of our products operate as part of a larger heating or cooling system. Their contribution can therefore go beyond their own material footprint. By regulating temperature, flow and circulation, they can help the wider system use energy more effectively and operate as intended.

The examples below show two different ways this can work in practice.
LK SmartComfort

Matching heat output to demand

LK SmartComfort regulates the mixing valve based on supply and outdoor temperatures and, depending on the model, indoor temperature. The heating system can then provide the heat required at a given time. Scheduled temperature changes and pump control can further reduce unnecessary operation.

Explore LK SmartComfort
LK ThermoMat

Using heat effectively and protecting the system

In systems with solid-fuel boilers and storage tanks, LK ThermoMat loading units maintain a high return temperature and support effective temperature stratification in the tank. This improves system efficiency while helping to prevent condensation and tarring, which can extend boiler service life.

Explore LK ThermoMat

Transparent product information

Reliable environmental data helps our customers understand product impact and meet their own documentation requirements. We are therefore working to make more product-level climate information available.

Product climate calculations

We calculate greenhouse gas emissions in carbon dioxide equivalents (CO₂e) using a life-cycle perspective. By breaking down the results, we can identify which materials and life-cycle stages contribute most to a product's climate impact, rather than looking only at the total.

This knowledge helps guide product development, from evaluating materials and refining designs to identifying areas for improvement in production and the supply chain.

Environmental Product Declarations

When a customer or project requires standardised and independently verified environmental data, we can develop an Environmental Product Declaration (EPD) for the relevant product. Based on a life cycle assessment, an EPD presents information about the product's environmental impact in a recognised format. 

Download our LK 551 HydroMix EPD