Edwards RV12, Инструкция по эксплуатации, Страница: 17 / 64

HIGH THROUGHPUT MODE
S
Parameter Units
RV8 RV12
1-phase 3-phase 1-phase 3-phase
Gas-ballast flow
l min
-1
16 16
Maximum water vapour pump-
ing rate
kg h
-1
0.22 0.20 0.29 0.25
Maximum water vapour inlet
pressure
mbar 38 34 32 28
Pa
3.8 x 10
3
3.4 x 10
3
3.2 x 10
3
2.8 x 10
3
Table 7
Performance characteristics
MODE SE-
LECTOR
POSITION
GAS BALLAST CONTROL
Closed (position ‘0’) Low flow (position ‘I’) High flow (position ‘II’)
High Vac-
uum mode
S
Ultimate total pressure Ultimate total pressure Ultimate total pressure
mbar Pa mbar Pa mbar Pa
2 x 10
-3
2 x 10
-1
3 x 10
-2
3
1.2 x 10
-1
(RV3)
1.0 x 10
-1
(RV5)
6 x 10
-2
(RV8/12)
1.2 x 10
1
(RV3)
1.0 x 10
1
(RV5)
6.0 (RV8/12)
Use for the best ultimate
pressure
Maximum water vapour
pumping rate
Maximum water vapour pump-
ing rate
1-phase
pumps
3-phase
pumps
1-phase pumps 3-phase pumps
0.06 kg h
-1
0.04 kg h
-1
0.22 kg h
-1
(RV3/5/8)
0.29 kg h
-1
(RV12)
0.12 kg h
-1
(RV3/5)
0.20 kg h
-1
(RV8)
0.25 kg h
-1
(RV12)
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A65201880_AA - Technical data