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LK 851 ThermoMix® H

LK 851 ThermoMix® H

  • Simple motorisation
  • CC 125 mm

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 ...

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LK 851 ThermoMix® H

  • 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

181145

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

Two 1½” rotating nuts and two gaskets of EPDM are included in the delivery.

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

Working temperature: Min. 5 °C/Max. 110 °C (120 °C briefly)
Ambient temperature: Min. 5 °C/Max. 60 °C
Max. working pressure: 1.0 MPa (10 bar)
Max. differential pressure: 50 kPa (0.5 bar)
Leakage: < 1% of Kvs at 50 kPa
Angle of rotation: 90°
Torque: < 3 Nm
Media 1: Water - Glycol mixture max. 50% Ethanol mixture max. 30%
Thread standard: G - male thread
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 851 1