Multi-deck rotary hearth furnaces Previous Next Description Furnaces with forced air circulation for age hardening aluminium parts. Request Info Other Products From BSN Thermprozesstechnik Continuous furnaces for press hardening BSN Thermprozesstechnik Read More » Multi-deck rotary hearth furnaces BSN Thermprozesstechnik Read More » Drop-bottom furnaces BSN Thermprozesstechnik Read More » Chamber furnaces BSN Thermprozesstechnik Read More »