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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Variants

NN - Male / Female cylindrical pipe thread 1 artikel

Article	Dim.	DN	Weight (kg)	Item List
055009	¾"	20	0.1

Detailed Information

Description

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

Technical Data

Max. working pressure:	1.0 MPa
Working temperature:	Max. 90°C
Thread standard:	G - male thread, G - female thread
Other data:	Material, Check valve body in chrome plated brass Material, valve cone POM Material, spring stainless steel Material, Sealing NBR

Technical Diagrams

Pressure drop diagram

Documentation

Product sheet

NN Check Valve

NN Check Valve

Variants