Edwards B777-01-000, Instruction Manual

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Service, spares and accessories
B777-00-880 Issue E
7.4.7 TAV vent-valve and vent-port adaptor
Two solenoid-operated vent-valves are available for system venting. The valves are 24 V dc, normally-open, and can
be driven automatically from the EXC Controller. The solenoid-valve is fitted in place of the manual-valve, or
alternatively can be fitted with an adaptor (supplied with the valve) and be used with any suitable NW10 flanged port
on your vacuum system.
The vent-port adaptor allows the vent-port or the purge-port to be used with any suitable NW10 fitting: refer to
Figure 5 .
7.4.8 ACX air-cooler
An ACX air-cooler can be fitted to the EXT pump. However, please refer to Section 3.7 and to Table 5 to check the
suitability of air-cooling in a particular application.
7.4.9 WCX water-cooler
If you wish to water cool your pump, you must order the water cooling plate:
7.4.10 Vibration isolators
In applications where the small amount of vibration generated by the turbomolecular pump is a problem, a vibration
isolator can be fitted. The isolator consists of two special flanges separated by a flexible bellows and a rubber, anti-
vibration, outer collar. The isolator required depends on the pump inlet-flange size.
Table 17 - TAV vent-valve and vent-port adaptor
Product Item Number
TAV5 vent-valve B580-66-010
TAV6 vent-valve B580-66-020
NW10-1/8 inch BSP male adaptor B580-66-011
Table 18 - ACX air-cooler
Pump Air-cooler Item Number
EXT555H/Hi ACX555 B580-53-561
Table 19 - WCX water-cooler
Water cooler Item Number
WCX555 B580-67-003
Table 20 - Vibration isolators
Inlet-flange size Item Number
DN160ISO-K B581-25-000
DN160CF-K B581-10-000