BOC Edwards EXT555H, Instruction Manual

Page: 37 / 44

Jun 01 Issue A
EXT555H
SERVI
C
E, SPARES AN
D
ACCESSORIES
PAGE
31
31
7.4.6 FL20K foreline trap
The foreline trap minimises oil vapour
backstreaming from the backing pump and is
recommended where the highest system cleanliness
is required.
Foreline trap Item Number
FL20K A133-05-000
Table 16 - FL20K foreline trap
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.
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 17 - TAV vent-valve and vent-port adaptor
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.
Pump Air-cooler Item Number
EXT555H/Hi ACX555 B580-53-561
Table 18 - ACX air-cooler