Product range: 1. Single stage type: 2BEA, 2BEC model, pumping speed can be reached to 1200m3/h. 2. Dual stage type: 2SK model, it can be reached to 30m3/min. 3. corrosion-resistance liquid ring vacuum pump FSK/F2SK model. 4. Monblock type---2BV model, pumping capacity from 27m3/h--500m3/h. Material can be customised as your request!!