Edwards GXS 160 - GXS Dry Pump Purge Data

M588-00-880 Issue E
Page 10 © Edwards Limited 2015. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Technical data
2.4 Purge data
Table 5 - Purge data
Characteristics Rating Units
Purge gas supply pressure range 2.5 - 6.9 bar gauge
36 - 100 psi gauge
Purge gas supply quality ISO 8573
µm
Purge gas inlet connection 1/4 inch tube fitting
Table 6 - Gas module types and flows
Gas module
type
Description Cycle Gas flows (slm)
Shaft
seal
purge
Inlet
purge
Manually-
adjusted
gas ballast
Additional
gas ballast
*
*
By default the dry pumping system is supplied with the additional gas ballast switched off. This additional
gas ballast can be enabled in software using the optional PDT.
Exhaust
purge
Tot al
flow
Light Duty
(All GXS
systems)
†
†
GXS dry pumping systems in a standard configuration must run with a seal purge. If the application requires
removal of seal purge, consult an Edwards application specialist.
Shaft seal only Off 0 n/a n/a n/a n/a 0
Green
Mode
12 n/a n/a n/a n/a 12
On-process 12 n/a n/a n/a n/a 12
Shut-down 12 n/a n/a n/a n/a 12
Medium Duty
(GXS160 &
GXS250
systems)
†
Electronically-
controlled gas
ballast purge (with
manually adjusted
flow) + inlet purge +
exhaust purge
Off 0 0 0 n/a 0 0
Green
Mode
12 0 0 n/a 6 18
On-process 12 0 0-34 n/a 6 18-52
Shut-down 12 16 0 n/a 6 34
Medium Duty
(GXS450 &
GXS750
systems)
†
Gas ballast purge
(with manually
adjusted flow) +
inlet purge + exhaust
purge + option of an
additional
electronically-
controlled gas
ballast*
Off 0 0 0 0 0 0
Green
Mode
12 0 0-64 0 6 18-82
On-process 12 0 0-64 0(default)
64(enabled)
618-146
Shut-down 12 26 0-64 0 6 44-108