Definition of pressure vessel
Broadly speaking, a pressure vessel refers to any sealed vessel that withstands pressure loads. However, the pressure vessels referred to here fall within the scope of the "Technical Supervision Regulations for Safety of Stationary Pressure Vessels".
1.The maximum working pressure is greater than or equal to 0.1 MPa;
2.The inner diameter is greater than or equal to 0.15 m, and the volume is greater than or equal to 0.025 cubic meters.
3.The medium filled is a gas, liquefied gas, or liquid with a maximum working temperature higher than or equal to the standard boiling point.
☆ All three conditions must be met simultaneously.