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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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LK 851 ThermoMix® H

LK 851 ThermoMix® H

LK 851 ThermoMix® H is a 4-way mixing valve suited for heating systems in which a high return temperature is needed to avoid corrosion, thus prolonging the life-time of the heat source. LK 851 ThermoMix® H is ...

Variants
Detailed Information
Documentation
Accessories & Spare parts

Variants

LK 851 - Male thread / Rotating nut

LK 851 - Male thread / Rotating nut 1 artikel

Article	Dim.	Kvs m³/h	A mm	B mm	C mm	Weight (kg)	Dimensional sketch	Item List
181145	M 1½”	8,0	125	82	55	1.6

Dim.	M 1½”
Kvs m³/h	8,0
A mm	125
B mm	82
C mm	55
Weight (kg)	1.6
Dimensional sketch
Item list

Detailed Information

Description

LK 851 ThermoMix® H is a 4-way mixing valve suited for heating systems in which a high return temperature is needed to avoid corrosion, thus prolonging the life-time of the heat source.

LK 851 ThermoMix® H is suitable for motorization.

The valve can be mounted at any angle. LK 851 ThermoMix® H can easily be adapted for right- or left-hand mounting.

The valve requires no maintenance but the installation should be checked regularly.

Technical Data

Angle of rotation:	90°
Torque:	< 3 Nm
Leakage:	< 1% of Kvs at 50 kPa
Max. working pressure:	1.0 MPa (10 bar)
Max. differential pressure:	50 kPa (0.5 bar)
Working temperature:	Min. 5 °C/Max. 110 °C (120 °C briefly)
Ambient temperature:	Min. 5 °C/Max. 60 °C
Thread standard:	G - male thread
Media 1:	Water - Glycol mixture max. 50% Ethanol mixture max. 30%
Material, valve body:	Brass EN 12165 CW617N
Material, external cover:	Brass EN 12165 CW617N
Material, slide/spindle:	Brass EN 12165 CW617N
Material, sealing:	EPDM
Spindle sealing:	Two O-rings

Application

Technical Diagrams

Valve Characteristics

Capacity Diagram

Documentation

Product sheet

LK 851 ThermoMix® H

Instruction manual

851 ThermoMix - Instruction_148404

Accessories & Spare parts

Article no.	Article	Position
187083	Sealing kit LK 851	1