What Are The Differences Between Gas-liquid Booster Pumps And Gas Booster Pumps

What are the differences between gas-liquid booster pumps and gas booster pumps? Gas and liquid booster pumps are all pneumatic booster pumps, with the main difference being that the boosting medium is different.
Gas booster pumps are mainly used for gas pressure, such as compressed air, nitrogen, helium, oxygen, hydrogen, etc. The gas-liquid booster pump is mainly used to detect the pressure of liquid in the gas cylinder testing equipment, such as water, oil, lotion, etc.
The working principle of the driving components for gas booster pumps and gas-liquid booster pumps is the same, but the pressure is different. Gas booster pumps are piston type and gas-liquid booster pumps are plunger type, because gas is compressible, the compressibility of liquid can be ignored.