When an electric pressure cooker is in operation, steam comes out of the lid for several essential reasons:
Pressure Release: The primary purpose of the steam coming out of the lid is to release excess pressure inside the cooker. As the contents of the pressure cooker heat up, they produce steam, which increases the pressure inside the sealed pot. The pressure needs to be regulated to prevent the pressure cooker from becoming dangerously over-pressurized. The steam escaping from the lid allows excess pressure to be released, ensuring that the pressure inside the cooker remains at a safe level.
Safety Mechanism: The steam release valve on the lid is a critical safety feature of pressure cookers. If the pressure inside the cooker builds up to unsafe levels, the valve will automatically release the excess steam, preventing potential explosions or other hazardous situations. This safety mechanism protects users from the risk of severe accidents and maintains the pressure cooker's integrity.
Temperature Regulation: When the pressure cooker reaches the desired pressure, the steam that escapes from the lid helps maintain a consistent internal temperature. This controlled temperature is essential for the cooking process, as it ensures that the food inside is cooked evenly and thoroughly.
Visual Indication: The steam escaping from the lid also serves as a visual indication that the pressure cooker is functioning correctly. It lets users know that the pressure inside is building up and that the cooking process is underway.
It's important to follow the manufacturer's instructions when using an electric pressure cooker and to never attempt to force the lid open while there is pressure inside. Modern pressure cookers are designed with safety features to prevent accidental opening while there is still pressure, ensuring safe and efficient cooking.