气体增压泵可以用来增压空气，但是空气增压泵不可以增压气体（原则是是可以增压的，但是驱动也需要与被增压的气体是一样的气体，所以不建议）。

The gas booster pump can be used to pressurize the air, but the air booster pump can not pressurize the gas (the principle is that it can be pressurized, but the drive also needs to be the same gas as the pressurized gas, so it is not recommended).

一、 缸径、行程；是大家可以直观的看出气液增压泵的体积大小，一般缸径越大的情况下，气液泵的价格就会越高，缸径、行程大的增压泵他的输出流量较大，也很好的决定了泵的稳定性，但是泵的缸径是取决于客户对现场使用工况的要求；

One, cylinder diameter, travel; you can see the volume of the gas and liquid supercharging pump intuitively, the bigger the diameter of the cylinder, the higher the price of the gas and liquid pump, the larger the output flow of the cylinder and the large pressure pump, and it also determines the stability of the pump, but the cylinder diameter of the pump depends on the customer. The requirements for the working conditions of the site;

二、 另外一个决定性因素是气液增压泵的增压比。增压比越高的情况下，压力输出就越大，对密封圈及材质的要求因素就更加严格，客户选择气液泵的时候一定要注意对泵的输出压力的需求，选型要留有余量，切不可过大，或者偏小；

Two, another decisive factor is the booster ratio of gas liquid booster pump. The higher the pressure ratio is, the greater the pressure output, the tighter the requirements for the seal and the material. When the customer chooses the gas pump, we must pay attention to the demand for the output pressure of the pump.

三、 一些气液增压泵由于被增压介质的特殊性（腐蚀性、稠粘度等等）的制约，需要特殊定制，基础这种情况，需要投入的人工、成本就较大，那么气液泵的价格就会偏高。一般就以非标定做的价格进行报价；

Three, some gas-liquid supercharging pumps are restricted by the particularity of the supercharged medium (corrosive, thick viscosity and so on). It is necessary to make special customization. In this case, the manpower and cost of the pump need to be invested, so the price of the gas and liquid pump will be high. In general, the price is quoted at the non - standard price.