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    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

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LK 830 ThermoMix® B

LK 830 ThermoMix® B

  • Low internal leakage
  • Easy to adapt for right- or left-hand mounting
  • Suitable for motorization

LK 830 ThermoMix® B 4-way bivalent mixing valves are designed for heating systems, where energy is taken from two heating units connected in series or parallel or for storage tank systems where energy is extrac...

Read more

LK 830 ThermoMix® B

  • Variants
  • Detailed Information
  • Documentation
  • Videos
  • Accessories & Spare parts
  • Questions & Answers

Variants

LK 830 - Female thread

LK 830 - Female thread 1 artikel

Article Dim. Kvs m³/h A mm B mm C mm D mm E mm F mm Weight (kg) Dimensional sketch Item List
180587 F ¾" 6,3 72 36 72 19 27 80 0.7

180587

Dim. F ¾"
Kvs m³/h 6,3
A mm 72
B mm 36
C mm 72
D mm 19
E mm 27
F mm 80
Weight (kg) 0.7
Dimensional sketch
Item list

Other dimensions on request.

LK 830 - Male thread

LK 830 - Male thread 2 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm E mm F mm Weight (kg) Dimensional sketch Item List
180004 M ¾" 6,3 72 36 72 20 26 80 0.6
180588 M 1” 6,3 72 36 72 19 27 80 0.7

180004

Dim. M ¾"
Kvs m³/h 6,3
A mm 72
B mm 36
C mm 72
D mm 20
E mm 26
F mm 80
Weight (kg) 0.6
Dimensional sketch
Item list

180588

Dim. M 1”
Kvs m³/h 6,3
A mm 72
B mm 36
C mm 72
D mm 19
E mm 27
F mm 80
Weight (kg) 0.7
Dimensional sketch
Item list

Other dimensions on request.

LK 830 - Compression fitting

LK 830 - Compression fitting 3 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm E mm F mm Weight (kg) Dimensional sketch Item List
180001 22 mm 4,0 87 43.5 87 20 26 80 0.7
180003 22 mm 6,3 87 43.5 87 20 26 80 0.7
180595 28 mm 6,3 112 56 112 19 27 80 1.1

180001

Dim. 22 mm
Kvs m³/h 4,0
A mm 87
B mm 43.5
C mm 87
D mm 20
E mm 26
F mm 80
Weight (kg) 0.7
Dimensional sketch
Item list

180003

Dim. 22 mm
Kvs m³/h 6,3
A mm 87
B mm 43.5
C mm 87
D mm 20
E mm 26
F mm 80
Weight (kg) 0.7
Dimensional sketch
Item list

180595

Dim. 28 mm
Kvs m³/h 6,3
A mm 112
B mm 56
C mm 112
D mm 19
E mm 27
F mm 80
Weight (kg) 1.1
Dimensional sketch
Item list

Other dimensions on request.

Detailed Information

Description

LK 830 ThermoMix® B 4-way bivalent mixing valves are designed for heating systems, where energy is taken from two heating units connected in series or parallel or for storage tank systems where energy is extracted from two levels.

LK 830 ThermoMix® B should be equipped with an automatic control unit to ensure that the most favourable heat source is prioritised at all times.

The valve can be mounted at any angle. Valve ports are marked 1-4. In the standard version the valve can be mounted according to 1=Supply, 2=Secondary heat, 3=Primary heat and 4=Return. LK 830 ThermoMix® B can be adapted for right- or left-hand installation.

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: < 0.5% of Kvs at 50 kPa
Angle of rotation: 90°
Torque: < 1 Nm
Media 1: Water - Glycol mixture max. 50% Ethanol mixture max. 30%
Thread standard: Rp - female thread, G - male thread
Material, valve body: Brass EN 12165 CW617N
Material, external cover: Brass EN 12165 CW617N
Material, slide/spindle: Brass EN 12164 CW614N
Material, sealing: EPDM
Spindle sealing: Two O-rings

Application

LK 830 B as diverting valve with LK 100 SmartComfort CT to optimize the stratification in the tank.

Technical Diagrams

Valve Characteristics

Capacity Diagram

Documentation

Product sheet

LK 830 ThermoMix® B

Instruction manual

830 ThermoMix - Instruction_048321

Certificate/Type approval

CE Declaration of Conformity - 830, 831, 840, 841, 842, 845, 846.pdf

Applications

Solar heating ENG

Accessories & Spare parts

Article no. Article Position
187059 Sealing kit 830/831, DN 15-20 1
187060 Sealing kit 830, DN 25 1
187061 Repair kit 830, DN 15-20, Kvs 4.0 2
187062 Repair kit 830, DN 15-20, Kvs 6.3 2
187064 Repair kit 830, DN 25, Kvs 10.0 2

Videos

LK 830 ThermoMIx®
LK 830 ThermoMIx®

Questions & Answers

Is the LK SmartComfort compatible with a mixing valve from another manufacturer?

Yes, we provide mounting kits for other models, see Mounting kits on our website.