Description
LK 823 ThermoVar® is a 3-way anti-condensation 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 circuit between the boiler and the 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.
LK 823 can be equipped with 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® is for right- or left-hand mounting.
Technical Data
Opening temperature: 45 °C, 50 °C, 55 °C, 60 °C, 65 °C or 70 °C
Working temperature: (45 – 55 °C) Min. 5 °C/Max. 95 °C
(60 – 70 °C) Min. 5 °C/Max. 110 °C
Ambient temperature: Min. 5 °C/Max. 60 °C
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, internal cover: Brass EN 12165 CW617N
Material, sealing: EPDM
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