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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 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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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 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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LK 843 ThermoMix®

Internal

LK 843 ThermoMix®

LK 843 ThermoMix® is a 3-way valve which can be used as a mixing valve or as a diverting valve in heating systems.

Variants
Detailed Information
Documentation
Accessories & Spare parts

Variants

Detailed Information

Description

LK 843 ThermoMix® is a 3-way valve which can be used as a mixing valve or as a diverting valve in heating systems.

The valve can be mounted at any angle.
LK 843 ThermoMix® can easily be adapted for right-or left-hand mounting.

Technical Data

Angle of rotation:	90°/360°
Torque:	5 Nm (DN20-50) 10 Nm (DN65-100) 15 Nm (DN125-150)
Leakage:	Diverting 0,75% of Kvs, Mixing 1,5% of Kvs
Max. working pressure:	0.6 MPa (6 bar)
Max. differential pressure:	50 kPa (0,5 bar)
Working temperature:	Min. 2 °C/Max. 110 °C
Media 1:	Water - Glycol mixture max. 50%
Connection:	Flange PN6
Material, valve body:	Cast Iron EN 1561 EN-GJL-250
Material, slide/spindle:	CW602 (DN20-80)
Material, sealing:	EPDM
Other data:	Media pH Min. 7/Max. 10

Application

Technical Diagrams

Capacity diagram

Valve Characteristics

Documentation

Product sheet

LK 843 ThermoMix®

Accessories & Spare parts

Article no.	Article	Position
187333	Sealing kit 843, DN 20-25	1
187334	Sealing kit 843, DN 32-40	1
187335	Sealing kit 843, DN 50-65	1
187336	Sealing kit 843, DN 80	1
187337	Sealing kit 843, DN 100-125	1
187338	Sealing kit 843, DN 150	1