... metallurgy machinery, mine machinery, ship machinery, petroleum equipments, engineering and machine tool control.2.Pumping rate: 40, 71,125,180, 250, 300, 355 ... bevel disc 4. Excellent sucking characteristic 5.Sensitive response control 6.The special designed long life and the high precision ... clearness grade: above NAS9 13.Deliver time: one mouth. The series A4VSO125, 180, 250, 355, 370 is ready at any ...