For professional use. Pressure/weight valve, allows steam to be released by regulating the internal pressure of the pot. Safety valve - depressurization. Acts if the pressure valve fails. More robust and resistant bridge. Bakelite anti-burn handles. - Pressure cooker for professional use. - Made of pure aluminum. - Saves time and energy. - Suitable for ceramic, electric, and gas stoves. - Handles with double fastening screw.