BOC Edwards EXT555H, Instruction Manual

Page: 34 / 44

Issue A Jun 01
PAGE
28
EXT555H
SERVI
C
E, SPARES AN
D
ACCESSORIES
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7.3.2 Inlet-strainer (EXT555Hi pump only)
The EXT555Hi pump is supplied with an inlet-
strainer for the interstage-port. The Item Number
of a replacement inlet-strainer is given below.
Flange size Item Number
NW25ISO-K A223-05-067
Table 10 - Inlet-strainer (EXT555Hi pump only)
Inlet-flange Inlet seal Item Number
DN160ISO-K ISO100 trapped 'O' ring, fluoroelastomer B271-58-172
DN160CF Copper compression gasket (pack of 5) C083-00-003
Table 11 - Inlet-flange seals
7.3.3 Inlet-flange seals
EXT pumps are supplied with an inlet seal. The Item
Numbers of replacement seals are given below.
7.4 Accessories
7.4.1 Installation
The accessories available for use with the EXT555H
turbomolecular pumps are described in the
following Sections. Figure 5 shows how the
accessories are fitted to an EXT pump.
7.4.2 EXC controller
The Edwards EXC Controllers provide the facilities
necessary for operating a pumping system based on
an EXT255H or EXT255Hi pump. The Item
Numbers of the EXC Controllers are given below.
Controller Voltage Item Number
EXC250E 90 - 264 V ac D396-36-000
EXC250L 90 - 264 V ac D396-35-000
EXC300 90 - 132/180 - 264 V ac D396-14-000
Table 12 - EXC controller