B580-65-880 Issue G
Page 52 © Edwards Limited 2008. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Vent-port adaptor
Figure 30 - Extended vent-port adaptor
The extended vent-port adaptor is not supplied with a removable flow restrictor. Venting a turbo pump from
atmosphere, through the extended vent-port adaptor, would cause damage to the turbo pump. To vent a turbo
pump when using the extended vent-port adaptor, you must either control the flow-rate to the adaptor or
incorporate a 0.8 mm orifice in the pipeline used to connect to the extended vent-port adaptor.
The extended vent-port adaptor is best suited to the following pump types:
z EXT200/200H
z EXT200/200Hi
z EXT200/200/30H
z EXT400/200/30H
z EXT70/70/200H
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