Ultra USH High-performance thermostat USH 400
Thanks to the special two-chamber construction of the USH, the actual bath is divided into a heating chamber and a cold-oil blanket which are completely thermally decoupled. The cold oil blanket is located above the actual heating chamber, which contains the heater and the pump. The two chambers are connected via tubes with small diameters. This enables the liquid from the heating chamber to expand into the cold oil blanket, yet no active heat exchange between the chambers occurs. Even at the maximum temperature, the surface temperature of the cold oil blanket always remains below 200 °C. This effect can be considerably improved by means of additional cooling with air or water. In order to further extend the service life of the heat transfer liquid, an inert gas blanket may be introduced onto the cold-oil blanket.
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Two-chamber construction 1 Pump motor 2 Inert gas blanket 3 Overflow 4 Cold oil blanket 5 Float 6 Cooling chamber for cold oil blanket 7 Connections for cooling chamber 8 Connection MVH 9 Pump outflow/return 10 Pump chamber 11 Heating chamber 12 Heater 13 Drain tap
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Automatic vent valve
Two-chamber construction
Working with controlled cooling MVH
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