Ulvac VD151 - Page 45

YK08-0028-DI-002-08
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Fig. 10 Show the relationship between the suction pressure and pumping speed - MODEL
VD151/VD201
0
5
10
15
20
25
0.1 1 10 100 1000 10000 100000
Pumping Speed [m
3
/hour]
Pressure [Pa]
Gas ballast closed
Gas ballast opened
Pumping Speed (JIS B 8316/1985)
Type :VD151,VD201
Power :3φ 0.55kw,0.70kw 50/60Hz
Oil :ULVOIL R-72
VD151 50HzVD151 60Hz
VD201 60Hz VD201 50Hz