PIT RETORTS MODELS are completely sealed with internal retorts, requires min. installation space. These are manually operated batch type models with separate control panel. Melting and holding *Hardening *Annealing *Liquid Nitriding *Gas Nitriding *Tempering *Homgenising *Sintering *Carburizing *Carbonitriding *Bright Hardening *Bright Normalizing *Bright annealing *Reactor Heating *Chemical fusion