Gas liquid booster pumps generally have no requirements for the inlet pressure of the liquid. Most gas booster pumps require a certain amount of gas pre pressure, and the size of the pre pressure will determine whether to use a single-stage gas booster pump or a two-stage gas booster pump first.
Is there compressed air on site?
The pneumatic booster pump is driven by compressed air, and compressed air is the key. Choosing different pumps will determine the size of the compressor to be used.