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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 551 HydroMix F

LK 551 HydroMix F

  • Adjustable diverting temperature

The LK 551 HydroMix F is a 3-way diverting valve. Once the media reaches chosen temperature it will be redirected to port C. Below chosen temperature it will be redirected to port H. Arrows on the valve body i...

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LK 551 HydroMix F

  • Variants
  • Detailed Information
  • Documentation
  • Accessories & Spare parts

Variants

LK 551 F - Male thread

LK 551 F - Male thread 2 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm Note Weight (kg) Dimensional sketch Item List
182143 M 1" 1,6 70 43.5 99 45 42 - 52 °C 0.5
182428 M 1" 3,5 84 62 121 55 42 - 52 °C 0.7

182143

Dim. M 1"
Kvs m³/h 1,6
A mm 70
B mm 43.5
C mm 99
D mm 45
Note 42 - 52 °C
Weight (kg) 0.5
Dimensional sketch
Item list

182428

Dim. M 1"
Kvs m³/h 3,5
A mm 84
B mm 62
C mm 121
D mm 55
Note 42 - 52 °C
Weight (kg) 0.7
Dimensional sketch
Item list

Detailed Information

Description

The LK 551 HydroMix F is a 3-way diverting valve.
Once the media reaches chosen temperature it will be redirected to port C. Below chosen temperature it will be redirected to port H.

Arrows on the valve body indicate the direction of the flow.
M = incoming water
C = outgoing hot water
H = outgoing cold water

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

Technical Data

Max. working pressure: 1.0 MPa (10bar)
Working temperature: Min. 5 °C/Max. 95 °C
Diverting temperature: Min. 42 °C/Max. 52 °C
Operating temperature: Diverting temp.: Min. 42 °C/Max. 52 °C
Thread standard: G - male thread
Media 1: Water - Glycol mixture max. 50% Ethanol mixture max. 30%
Material, valve body: Brass EN 12165 CW617N
Other data: Temperature stability ±3 °C
Temperature stability: ±3 °C

Application

Technical Diagrams

Capacity Diagram

Documentation

Product sheet

LK 551 HydroMix F

Instruction manual

551 HydroMix Connection kit - Instruction_148815

Instruction manual

551 HydroMix Repair kit - Instruction_148816

Instruction manual

551 HydroMix F - Instruction_248127

Instruction manual

551 F HydroMix - Instruction_248268

Accessories & Spare parts

Article no. Article Position
095075 Repair kit 551 F, 42 - 52 °C. Kvs 1.6 1
095444 Repair kit 551 F, 42 - 52 °C. Kvs 3,5 1
092052 Connection kit M ¾" x 1" with rotating nut, gaskets, 1 check valve 2
092053 Connection kit M ¾" x 1" with rotating nut, gaskets, 2 check valves 2
187304 LK Insulation, 551 (Kvs 1.3-1.6) 3
187310 LK Insulation, 551 (Kvs 3.2-4.2) / 552 3