Hofmann Preheaters: "HK" Range
Horizontal preheaters are heated indirectly (with heat transfer oil) by gas- or oil burners (24V or 230V).
- Oil heated dividing wall (with passing) increases melting capacity.
- Two-chamber-system: prevents preheated material in the rear chamber from cooling down when fresh solid material is being fed into the front chamber. Therefore, ready melted material always at your disposal.
- Reliable sealing of agitator shaft mechanics against heat influences.
- Circulation system for heat transfer oil.
- Heating of agitator shaft.
Direct heating
This method of heating ensures the greatest melting capacity. However, the danger of local overheating in the melting pot requires you to monitor the heating closely for melting temperature, filling level and agitator operation.
Indirect heating
A heat transmission oil bath encloses the melting pot to ensure a uniform heat transmission and gentle heating without local overheating in the melting bath. Suitable for sensitive melting material and ideal if you wish to rely entirely on the temperature control system.
Technical data
Filling quantities (gross) per preheater / weight - weight of heat carrying oil included, generator weight excluded
- HK800-1: 880 l / cca 1310 kg
- HK1000-1: 1100 l / cca 1485 kg
Weight
- Generator 3,1 kW: cca 115 kg
- Generator 10,0 kW: cca 350 kg
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