How Big Of An Air Compressor Do I Need?

In order to not waist your time and money, you need know something before you buy air compressed euipments.

First of all, you need to know how much pressure you need. (Psi and bar are units of measurement of pressure.) you can check the nameplate of your air tools or machines, it should state what is the minimum pressure you need. or you can just ask the manufacturer of air tools or machines. 

It’s conversion from bar to Psi below.

1 bar=14.5 Psi

Second of all, you need to know the minimum air displacement you need. air displacement is the amount of air that the compressor can pump out. It is measured in CFM (cubic feet per minute) or m³/min. please note that different pressure will cause variable displacement even for same compressor. you need to check the nameplates for your using air tools and find air displacement, then add them up. that’s all.

It’s conversion from CFM to m³/min below.

1 cfm=0.028 m³/min

Last, you need to confirm the electricity you are using. for china manufacturers, the default configuration is 380v/3Phrase/50hz. if you are using 220v or 440v, you need to let your supplier know that.

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