1)electrical and manual driven ,2) 4 blade rotary-vane vacuum pump(oilless-type)3) manual priming system4) single suction,single stage centrifugal pump5) suction thread and dia.-JIS 3-1/2" (90mm)6) discharge thread and dia.- JIS 2-1/2" (65mm)7) Discharge number- Twin8) discharge valve- Flat9) Pump performance- 2050 litre/min at 0.6Mpa 1800 litre/min at 0.8 Mpa 1500 litre/min at 1.0 Mpa Intially I want quotation Then I will order