Material: 0Cr17Ni12Mo2 rotate speed : 3000rpm Description1,It is the rotor subassembly of vacuum pump, which applies to recycling VCM, acetylene gas ... .2,Rotate speed is 3000rpm 3,Material: 0Cr17Ni12Mo2 4,It is used for the water-ring vacuum pump of chlor-alkali chemical ... with much patents5,20 years experience of mechanical seal6,ISO90017,We accept O/A and all kinds of payment & trade termsPackage