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 Chamber furnaces BSN Thermprozesstechnik Read More » Multi-deck rotary hearth furnaces BSN Thermprozesstechnik Read More » Drop-bottom furnaces BSN Thermprozesstechnik Read More » Continuous furnaces for press hardening BSN Thermprozesstechnik Read More »