The motor is design by connect a stalk machine to drive a pump, and it's easy to be changed. The operation is also quick. Can be applied in automatic manchine, printing machinery, electronic industry, vacuum-pakcking and vacuum adsorbing. DS-3E 480x222x265(LxWxH), 21KG DS-5E 560x270x260(LxWxH), 27KG DS-6E 650x270x283(LxWxH), 36KG DS-8E 775x325x357(LxWxH), 80KG.