... use for parts tempering in air condition. Pit tempering furnace use for parts heat treatment such as tempering , annealing and quchening ... in air condition.Structure Instruction:Pit tempering furnace consists of steel shell,door,lining,strong ... -12 1200 Φ800X1500 110 11,200.00Pit tempering furnace and lining5.Pit tempering furnace electrical control cabinetNote:Pictures for reference. ...