YK08-0028-DI-002-08
27
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
Pu
m
pi
ng
S
pe
ed
[m
3
/h
ou
r]
Pressure [Pa]
Gas ballast closed
Gas ballast opened
Pumping Speed (JIS B 8316/1985)
Type :VD151,VD201
Power :3
φ 0.55
kw,0.70kw 50/60Hz
Oil :ULVOIL R-72
VD151 50Hz
VD151 60Hz
VD201 60Hz
VD201 50Hz