Kirin Pressure Cooker KPC 22S, a pressure cooker designed to make meat dishes tender down to the bone. It is equipped with a Pressure Regulator that operates when the pressure in the pot reaches 1 kg/cm2 and emits a whistling sound during operation, a Spring Safety Valve that activates when the appliance exceeds normal pressure, a Metalic Safety Valve that takes over from the spring safety valve if it does not perform its function properly, a Safety Cover Lock serving as an air vent and safety by automatically rising to lock the lid under pressure, and a rubber Sealing Ring positioned on the inner edge of the lid.