What's the reason for the pressure cooker running?
pressure limiting valve exhaust through the exhaust hole, so the pressure is maintained in a certain range, to achieve the purpose of cooking.
The pressure limiting valve (pressure limiting device) function: in the process of cooking, the pressure reaches the working pressure
It is normal for the electric pressure cooker to run out of gas.
The role of safety valve: in the cooking process, due to pressure limiting valve exhaust pipe blocked, causing pressure in the pot is too high