Generally speaking, the size of pneumatics machine basically is the size that points to crop. The crop of pneumatics machine is pressed normally minutely computation of every stere crop, need to carry equipment circumstance to calculate according to your specific container only so the small size of minutely use quantity, choose accordingly next can. For example: If need is minutely the compression of 5 stere air, choose more largish than 5 stere empty press please.
Why to want to choose to be more than the empty press of actual size slightly, wear away to prevent to compress air to be in conduit carriage process, did not reach particular use value, more or less does need make an appointment quantity, want to decide according to particular installation case. General conduit length is longer, requires obligate amount is larger also. Can seek advice from manufacturer of professional pneumatics aircraft or technical personnel especially, buy the most appropriate type, managing the sources of energy, ensure production goes on wheels at the same time.