Holding gas furnaces, heating system NG/air

The furnace operation follows by means of an external switchboard containing the complete electro equipment for automatic functioning of the holding furnace inclusively the main and breakdown switch. The PLC Siemens Simatic control system with visual representation enables changing of regimes, e.g. for tempering under lower temperature, controlled lining firing, reverse seeking of melting material temperature values etc. Temperature adaptation to thermoelements in ceiling and melting material. Hydraulic attending of furnace tilting. Visual representation of perimeters. Diagnosis of perimeter troubles. Nitrogen flow control.