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Generalize: Dry Screw Vacuum Pump is composed of a pair of meshing screw rotors which rotate in the opposite direction and synchronous way at a high speed in the pump cavity. Without any lubricants or sealing liquid in the pump cavity, screw vacuum pumps can be used to recycle many condensable gases.
Specification | Unit | DSUP-35 | DSUP-70 | DSUP-150 | DSUP-280 | DSUP-390 | DSUP-550 | DSUP-650 | DSUP-800 | DSUP-1100 |
Nominal displacement capacity | M3/h | 35 | 70 | 150 | 280 | 390 | 550 | 650 | 800 | 1100 |
L/S | 10 | 19 | 42 | 78 | 92 | 153 | 167 | 220 | 306 | |
Ultimate pressure | Torr | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 |
Pa | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | |
Power | Kw | 2.2 | 4 | 5.5 | 7.5 | 11 | 15 | 22 | 30 | 37 |
Rotational speed | RPM | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 |
Inlet & Outlet Port | DN mm | 40/25 | 40/30 | 40/30 | 80/40 | 80/40 | 100/50 | 100/65 | 100/65 | 125/80 |
Cooling water | L/min | 4 | 4 | 6 | 6 | 6 | 8 | 8 | 8 | 8 |
Weight | kg | 160 | 195 | 230 | 253 | 450 | 523 | 650 | 1050 | 1500 |
Dimension | mm | 745*450*550 | 953*520*600 | 973*600*680 | 1123*640*680 | 1357*640*680 | 1516*780*800 | 1690*780*80 | 1786*840*930 | 2250*880*1100 |
Noise | db | ≤70 | ≤70 | ≤75 | ≤75 | ≤75 | ≤80 | ≤80 | ≤85 | ≤85 |