Edwards EXT255H Series User Manual

B722-20-880 Issue D
Page 16 © Edwards Limited 2008. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Installation
Figure 4 - Typical pumping system with an EXT70H or EXT255H pump
1. Vacuum system
2. High-vacuum gauge
3. Vibration isolator
4. Inlet-screen
5. EXT pump
6. Backing valve
7. Vacuum gauge
8. Flexible bellows
9. Foreline trap
10. Rotary backing-pump
11. Mist filter
12. Cooling-water connectors
13. EXDC drive module
14. Air-cooler
15. PRX10 purge restrictor
*
16. Regulated purge gas supply
*
17. Vent-valve
18. Alternative position for vent-valve
*
EXT255H only

Edwards EXT255H Series Specifications

General

Brand	Edwards
Model	EXT255H Series
Category	Water Pump
Language	English