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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. 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
Inbyggnadsbackventil FO

FO Built-in Check Valve

Non-return valve FO is designed for installation in coupling of type screw joint with flat gasket, in tapwater, heating and cooling systems. The collar of the non-return valve acts as a seal and replaces the ga...

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FO Built-in Check Valve

  • Variants
  • Detailed Information
  • Documentation

Variants

FO

FO 2 variants

Installation dimensions and other technical data are provided on request.

Article DN Item List
055417 DN 15
055418 DN 20

055417

DN DN 15
Item list

055418

DN DN 20
Item list

Detailed Information

Description

Non-return valve FO is designed for installation in coupling of type screw joint with flat gasket, in tapwater, heating and cooling systems. The collar of the non-return valve acts as a seal and replaces the gasket in the coupling.

Technical Data

Max. working pressure: 1.0 MPa (10 bar)
Working temperature: Max. 90°C
Material, sealing: NBR/SBR
Material, check valve: Check valve body and cone: POM
Spring: Stainless steel

Application

Inbyggnadsbackventil FO

Mounting example

Technical Diagrams

Inbyggnadsbackventil FO

Pressure drop diagram

Documentation

Product sheet

FO Built-in Check Valve