Pressure gauge: An instrument that measures pressure less than or greater than atmospheric pressure based on atmospheric pressure

Buffer tanks are still widely used to this day due to their excellent effect in suppressing airflow pulsation.

During the capacity expansion and renovation of the 6MD32-215/146 carbon dioxide compressor, the cylinder diameter of the five-stage cylinder was expanded from Φ170mm to Φ180mm. After the expansion, the five-stage piston rod of the compressor broke multiple times, and the current of the compressor motor was too large.

During the smelting process of stainless steel, due to the different types of alloying elements added and the varying amounts added to different types. Their characteristics are also different. To distinguish them, different steel grades are assigned