The use of chemically resistant materials such as PTFE(TFM), FPM, FFPM, EPDM or other material combinations for the parts which come in contact with the liquid allows almost all neutral or corrosive inks to be pumped:

Motor is to a pump what heart is to a person.  Compared with (some other brand) markets common pumps, 

♦  Optional motor types as above  

♦  Longer Lifetime

♦  less electromagnetic interference

♦  less temperature rise