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LK 823 ThermoVar® R

LK 823 ThermoVar® R

  • Increases system efficiency
  • Prevents condensation and tarring
  • Adjustable temperature

LK 823 ThermoVar® R is a 3-way thermic loading valve for solid fuel/storage tank installations. The valve is intended to ensure both an optimal temperature stratification in the storage tank and a high return t...

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LK 823 ThermoVar® R

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

Variants

LK 823 R - Female thread

LK 823 R - Female thread 2 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm Note Weight (kg) Dimensional sketch Item List
182386 F 1¼" 9,0 105 128 76 Ø 62 55-70 °C 1.2
182445 F 1¼" 9,0 105 128 76 Ø 62 45 - 60 °C 1.2

182386

Dim. F 1¼"
Kvs m³/h 9,0
A mm 105
B mm 128
C mm 76
D mm Ø 62
Note 55-70 °C
Weight (kg) 1.2
Dimensional sketch
Item list

182445

Dim. F 1¼"
Kvs m³/h 9,0
A mm 105
B mm 128
C mm 76
D mm Ø 62
Note 45 - 60 °C
Weight (kg) 1.2
Dimensional sketch
Item list
LK 823 R - Male thread

LK 823 R - Male thread 2 variants

Article Dim. Kvs m³/h A mm B mm C mm D mm Note Weight (kg) Dimensional sketch Item List
182388 M 1½" 9,0 105 128 76 Ø 62 55 - 70 °C 1.2
182446 M 1½" 9,0 105 128 76 Ø 62 45-60 °C 1.2

182388

Dim. M 1½"
Kvs m³/h 9,0
A mm 105
B mm 128
C mm 76
D mm Ø 62
Note 55 - 70 °C
Weight (kg) 1.2
Dimensional sketch
Item list

182446

Dim. M 1½"
Kvs m³/h 9,0
A mm 105
B mm 128
C mm 76
D mm Ø 62
Note 45-60 °C
Weight (kg) 1.2
Dimensional sketch
Item list
LK 823 R - Rotating nut

LK 823 R - Rotating nut 2 variants

Article Dim. Dim. 2 Kvs m³/h A mm B mm C mm D mm E mm Note Weight (kg) Dimensional sketch Item List
182389 M 1¼" 1½" Rotating nut 9,0 87 121 69 41 55 55 - 70 °C 0.9
182447 M 1¼” 1½" Rotating nut 9,0 87 121 69 41 55 45 - 60 °C 0.9

182389

Dim. M 1¼"
Dim. 2 1½" Rotating nut
Kvs m³/h 9,0
A mm 87
B mm 121
C mm 69
D mm 41
E mm 55
Note 55 - 70 °C
Weight (kg) 0.9
Dimensional sketch
Item list

182447

Dim. M 1¼”
Dim. 2 1½" Rotating nut
Kvs m³/h 9,0
A mm 87
B mm 121
C mm 69
D mm 41
E mm 55
Note 45 - 60 °C
Weight (kg) 0.9
Dimensional sketch
Item list

Detailed Information

Description

LK 823 ThermoVar® R is a 3-way thermic loading valve for solid fuel/storage tank installations. The valve is intended to ensure both an optimal temperature stratification in the storage tank and a high return temperature to the boiler, thus increasing the efficiency of the system. Tarring and condensation are prevented which prolongs boiler life.

The valve regulates on two ports, which means that there is no need for a balancing valve in the cirucit between boiler and loading valve. The thermostatic element starts to open port A when the outgoing mixed water temperature in port AB reaches the opening temperature. Port B is closed when the temperature in port A exceeds the nominal opening temperature by 10 °C.
The valve is adjustable within the range of 55 °C to 70 °C.

LK 823 R can be equipped with an insulation - see under ­Accessories. For more information, please see the product sheet for insulations.

The valve can be mounted at any angle. LK 823 ThermoVar® R is for right- or left-hand mounting.

Technical Data

Opening temperature: 55 - 70 °C
Working temperature: Min 5 ºC/Max 95 ºC
Ambient temperature: Min 5 ºC/Max 60 ºC
Max. working pressure: 1.0 MPa (10 bar)
Max. differential pressure: 100 kPa (1 bar)
Leakage: < 0.5% of Kvs at 100 kPa
Media 1: Water - Glycol mixture max. 50%
Thread standard: Rp - female thread, G - male thread
Material, valve body: Brass EN 1982 CB753S
Material, external cover: Brass EN 12165 CW617N
Material, sealing: EPDM

Application

Technical Diagrams

Capacity Diagram

Documentation

Product sheet

LK 823 ThermoVar® R

Instruction manual

823 ThermoVar R - Instruction_248269

Accessories & Spare parts

Article no. Article Position
187330 Repair Kit 823R 1
187310 LK Insulation, 551 (Kvs 3.2-4.2) / 552 2
095352 LK 823 Pump connection 1" 3
095351 LK 823 Pump connection 1¼" 3