Parameter
E2M28
E2M30
60 Hz electrical supply
1720 r min
-1
1720 r min
-1
Ultimate vacuum
without gas-ballast (partial pressure)
1 x 10
-4
mbar
1 x 10
-2
Pa
7 x 10
-5
torr
without gas-ballast (total pressure)
1 x 10
-3
mbar
1 x 10
-1
Pa
7 x 10
-4
torr
with full gas-ballast (partial pressure)
2 x 10
-1
mbar
2 x 10
1
Pa
1.5 x 10
-1
torr
Maximum water vapour inlet pressure
30 mbar
3 x 10
3
Pa
22.5 torr
Maximum water vapour pumping rate
0.7 kg h
-1
0.7 kg h
-1
Maximum permitted outlet pressure (for full
pump throughout)
0.5 bar gauge
1.5 bar absolute
1.5 x 10
5
Pa
0.5 bar gauge
1.5 bar absolute
1.5 x 10
5
Pa
3.3 Mechanical data
Table 3
Mechanical data
Parameter
Data
Approximate pump mass
44 kg
Dimensions
Refer to
Figure: Dimensions (mm) on page 14
Degree of protection
Single-phase motors
IP44
Three-phase motors
IP54
Pump inlet port
NW25 (the flange can be removed from the 1 inch BSP
threaded hole)
Pump outlet port
15 mm external diameter nozzle (the nozzle can be
removed from the 3/4 inch BSP threaded hole)
Page 13
A37310880_V - Technical data
Содержание A37315903
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