Edwards GXS 160

M588-00-880 Issue E
Page 8 © Edwards Limited 2015. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Technical data
2.2 Performance data
* Speed may be limited.
2.3 Loading data
Refer to installation drawings in Appendix A1 for centre of gravity positions for dry pumping systems. The loading
data in Table 4 is for dry pumping systems with optional levelling feet and castors. Refer to Figure 4 for foot
positions.
Materials in contact
with process gas
Pump, shaft and rotors Cast SG iron, steel
Seals PTFE and fluoroelastomer
Gas system Stainless steel, aluminium, brass, PTFE and
fluoroelastomer
Degree of protection Hazardous electrical sub system IP21D (IEC60529)
Lubrication Oil type PFPE Drynert 25/6 (recommended)
Fomblin
®
25/6 (alternative)
Krytox
®
1525 (alternative)
Table 3 - Performance data
Pump
Characteristics
Typical peak pumping
speed
Ultimate (shaft seal
purge only)
Maximum continuous inlet pressure
Units m
3
/h mbar mbar
GXS 160 160 < 1 x 10
-2
1000
GXS 160/1750 1160 < 1 x 10
-3
1000
GXS 250 250 < 1 x 10
-2
1000
GXS 250/2600 1900 < 1 x 10
-3
1000
GXS450 450 < 1 x 10
-2
1000*
GXS450/2600 2200 < 1 x 10
-3
1000*
GXS450/4200 3026 < 1 x 10
-3
1000*
GXS750 740 < 1 x 10
-2
1000*
GXS750/2600 2300 < 1 x 10
-3
1000*
GXS750/4200 3450 < 1 x 10
-3
1000*
Table 4 - Loading data
Load at levelling foot position (kg)
Pump 1234
GXS 160 76767676
GXS 160/1750 127 109 109 127
GXS 250 76767676
GXS 250/2600 154 103 103 154
GXS450 131 142 142 131
Table 2 - General technical data (continued)
Item Description Rating Units