제품특징
- Excellent ultimate vacuum and pumping speed
- Easy control of gas ballast valve
- Simple compact design
- Efficient cooling system, air-cooling for LOSR-V1.5K and water-cooling for the rest, for continuous operation
- Low vibration level and low noise level
- Vacuum flange (KSB-1540) is used for inlet and outlet of pump
- Easy maintenance and repairing
External Pump Sketch 
LOSR Series Technical Data
MODEL | UNIT | LOSR-V1.5K | LOSR-V2.5K | LOSR-V4.8K | LOSR-V7.5K |
Displacement Speed | Liter/min | 1500 | 2500 | 4,800 | 7,500 |
Ultimate Pressure | Torr | 5×10-3 | 5×10-3 | 5×10-3 | 5×10-3 |
Inlet port | VG50 | VG80 | VG80 | VG100 | |
Outlet port | VG50 | VG50 | VG65 | VG100 | |
Motor Power | Kw | 2.2 | 3.7 | 7.5 | 11 |
Rotational Speed of pump | R.P.M | 410 | 410 | 410 | 380 |
Oil filling | Liter | 5 | 8 | 17 | 29 |
Weight | Kg | 236 | 324 | 555 | 791 |
V-Belt | Size/Q'ty | 3V-590/3 | 3V-640/3 | 3V-810/4 | 3V-970/5 |
Cooling water | Liter | - | 5 | 5 | 7 |
Pumping Speed Curve
Outside Dimension Model : LOSR-V1.5K, LOSR-V2.5K, LOSR-V4.8K, LOSR-V7.5K
MODEL | A | B | C | D | E | F | G | H | I | J | K | L | M |
LOSR-V1.5K | 560 | 575 | 760 | 360 | 170 | 206 | 90 | 235 | 200 | 190 | 470 | 530 | Ø14 |
LOSR-V2.5K | 670 | 605 | 815 | 450 | 180 | 216 | 95 | 276.5 | 220 | 205 | 515 | 569 | Ø20 |
LOSR-V4.8K | 805 | 740 | 1035 | 580 | 230 | 260 | 105 | 326 | 290 | 250 | 675 | 750 | Ø20 |
LOSR-V7.5K | 900 | 826 | 1190 | 670 | 280 | 279 | 125 | 364 | 317.5 | 300 | 765 | 857 | Ø20 |
Dimension of flange
