© Edwards Limited 2009. All rights reserved.
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TECHNICAL DATA
A705-74-880 Issue K
2
TECHNICAL DATA
2.1
General
2.2
Services
Dimensions
See
Mass
See
Pump-motor rating
See
Full load and no-load current ratings
See
Typical pump rotation speed
50 Hz electrical supply
2950 rpm
60 Hz electrical supply
3565 rpm
Pump-inlet connection
ISO100
Pump-outlet connection
ISO63
Recommended pump-inlet seal
Fluoroelastomer trapped
O-ring
Recommended pump-outlet seal
Fluoroelastomer trapped
O-ring
Ambient operating temperature range
41 to 104°F (5 to 40°C) (For operation outside the
recommended range consult Edwards.)
Maximum ambient operating humidity
90% RH
Maximum outlet pressure;
1.15 bar absolute, 1.15 x 10
5
Pa
Typical continuous A-weighted sound pressure level
See
Performance
See
Electrical supply
See front cover
Voltage tolerance
± 10% from nominal
Frequency
± 2% from nominal
Harmonics
Not greater than 10%
Imbalance
Not greater than 2%
Interruptions
Not more than 3 ms
Voltage dip for one cycle
Not greater than 20%
Cooling water supply
Water quality
Ryznar Stability Index 6.5 to 7
Supply temperature range
41 to 95°F (5 to 35°C)
Maximum supply pressure
10 bar, 1 x 10
6
Pa
Minimum required pressure differential across supply and
return
2 bar 2 x 10
5
Pa
Typical heat removed from pump
See
Maximum water consumption
See
Supply Interface
1/2" BSP female connection
Shaft-seals air/nitrogen purge
Regulated pressure of purge to shaft seals
0.41 to 0.54 bar above exhaust back-pressure
Supply interface
Compression fittings, suitable for ¼" outside
diameter rigid tube
Summary of Contents for DRYSTAR GV Series
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