Edwards Drystar EDP250 Series

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Technical data
A705-40-880 Issue B
2Technical data
2.1 Operating and storage conditions
Note: If you operate the pump in an ambient temperature between -20 and -5 °C, we recommend that you leave
the pump constantly operating and only shut down the pump for maintenance purposes.
2.2 Performance
Table 1 - Operating and storage conditions
Ambient operating temperature range -20 to 40 °C
Maximum ambient operating humidity 90% RH
Maximum operating altitude 1000 m
Environment External, industrial location
Warm-up time
*
*
To a pump operating temperature of 55 °C.
60 min (EDP80), 45 min (EDP160/250/400)
Cool-down time
†
†
To a safe temperature for maintenance.
3 h
Table 2 - Performance data
EDP80 EDP160 EDP250 EDP400
50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz
Maximum
pumping
speed:
m
3
h
-1
cfm
83
49
102
60
163
96
202
119
260
153
301
177
385
227
425
250
Displace
ment
(swept
volume):
m
3
h
-1
cfm
98
58
163
96
197
116
238
140
315
185
379
223
540
318
595
350
Ultimate
vacuum:
mbar
Torr
Pa
0.6
0.45
60
0.33
0.25
33
0.5
0.38
50
0.33
0.25
33
0.4
0.3
40
0.2
0.15
20
0.4
0.3
40
0.2
0.15
20
Maximum
outlet
pressure:
bar abs
Pa
psi g
1.3
1.3x10
5
4.4
1.3
1.3x10
5
4.4
1.15
1.15x10
5
2.2
1.3
1.3x10
5
4.4
1.15
1.15x10
5
2.2
1.3
1.3x10
5
4.4
1.15
1.15x10
5
2.2
1.15
1.15x10
5
2.2
bar abs
Pa
psi g
1.3
1.3x10
5
4.4
1.3
1.3x10
5
4.4