| Model | NB100B | NB300B | NB600B | NB1200B | ||
Pumping speed²m³/h(L/min) |
50Hz | 95(1580) | 280(4670) | 500(8330) | 1000(16667) | |
| 60Hz | 115(1920) | 330(5500) | 600(10000) | 1200(20000) | ||
| ²()Pa Max.inlet pressure² (in continuous operation)Pa |
50Hz | 1.3×10³ | 1.2×10³ | 1.3×10³ | ||
| 60Hz | 9.3×10² | 1.1×10³ | ||||
| 2(-)Pa Max.allowable pressure difference² (outlet pressure-inlet pressure)Pa |
50Hz | 8.0×10³ | 4.0×10³ | 7.3×10³ | ||
| 60Hz | 6.7×10³ | 3.3×10³ | 6.0×10³ | |||
| Ultimate vacuum | Pa | 4.0×10-1 | 6.7×10-1 | |||
| Standard fore-pump | VDN301 | VDN401 VDN602 |
VSN1501 VDN902 |
VSN1501 VSN2401 |
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| (2)Motor(2 Poles) | kW | 0.4 | 0.75 | 2.2 | 3.7 | |
| Lubrication oil type | ULVOIL R-4 | |||||
| Oil capacity | 0.35 | 0.70 | 1.50 | 1.90 | ||
Cooling water |
Flow rate (L/min) | Air cooled | 2.0*³ | 2.0 | 3.0 | |
| Water pressure difference(MPa) |
0.1 | |||||
| Water temperature(ºC) | 5~30* | |||||
| Weight(kg) | 26 | 51 | 82.5 | 111 | ||
| Inlet(JIS B2290) | VG50 Equivalent to VG50 |
VG80 Equivalent to VG80 |
VG80 Equivalent to VG80 |
VG100 Equivalent to VG100 |
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| Outlet (JIS B2290) | VF50 Equivalent to VF50 |
VF80 Equivalent to VF80 |
VF80 Equivalent to VF80 |
VF100 Equivalent to VF100 |
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