The model of the pump is preliminarily determined according to the pressure required by the system. In general, SC pneumatic driven pressure booster pump is less than or equal to 7bar. So, the turbocharging is more than Ratio=Po/Pa. Among them, Po is the output pressure of the system; Pa is the driving pressure of the pneumatic pump, which generally takes the maximum value of 0.7MPa.
According to the calculated turbocharging ratio, select the type in the corresponding type of pump table. Note that we usually choose slightly higher than the calculated value of the booster pump, the pump to ensure that we can output the required pressure system under normal conditions.
The type of the booster pump is determined according to the supercharging medium. For example, the pressurizing medium is air / nitrogen. We choose it in the air booster pump / nitrogen booster. The pressurizing medium is gas. We choose it in the gas supercharger. The pressurizing medium is liquid. We choose it in the pneumatic liquid booster pump.
Check the flow of the pump to meet the requirements of the system. When we choose the pump model according to the pressure of the pump, we need to check the flow rate of the pump to meet the requirements.
Pump flow calculation method is such: per stroke volume * per minute action frequency (usually 40). For example, the pneumatic liquid booster pump 10-4000W003, we found in the pump table that the displacement of every stroke is 42.50ml, then its flow rate is Q=q * n=42.50ml * 40=1700ml/min=1.7L/min. Compare the flow of this flow with the flow required by the system to see if it meets the requirements.
The traffic we refer to refers to the flow rate under atmospheric pressure, and the volume of the medium (liquid or gas) pumped by the pump will be measured at atmospheric pressure in 1 minutes. So, for gas, we need to consider the size of the pre pressure.
Select the material of the pump according to the supercharging medium. After 3 steps above, we can choose the basic model of the pump. However, the correct model must also take into account the requirements of the pressurized medium for the material of the booster pump.
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