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BX bakeout band
B580-65-880 Issue G
2 BX bakeout band
2.1 Description
You can fit an Edwards BX bakeout band to an EXT pump to increase the rate of degassing of the pump body, to
achieve faster pump down and lower ultimate pressure. You should only fit BX bakeout bands to CF flanged pumps
intended for use at ultra high vacuum.
BX bakeout bands are available for use with electrical supplies of 110 or 240 V a.c. and can be powered from a rear
panel socket on the EXC Controller, from a rear panel socket on a TIC Relay Box, or from any suitable electrical
supply.
2.2 Technical data
Table 1 - BX bakeout band technical data
Electrical supply 110 to 120 V a.c., 50/60 Hz or 200 to 240 V a.c., 50/60 Hz
Cable length 3 m
Termination 3-pin IEC reverse configuration plug
Typi c a l o p e ra t i ng
temperature
80 °C (measured on the pump envelope above the bakeout band)
Pollution degree EN61010 Part 1, Category 2
Equipment type Fixed equipment for indoor use only
BX70 BX250 BX450 BX501
Approximate mass (kg) 0.47 0.55 0.70 0.75
Nominal diameter (mm) 78 119 140 188
Width of band (mm) 25 30 40 40
Input power (W) 306080100
Fuse rating
110 to 120 V 0.5 A 1.0 A 1.0 A 1.0 A
200 to 240 V 0.5 A 0.5 A 0.5 A 0.5 A
Item Numbers
Model To fit pump Item Number
BX70/110 V EXT70/70H/70Hi/75DX/75iDX B580-52-040
BX250/110 V EXT250/250H/250Hi/250M, EXT255H/255Hi/255DX/255iDX B580-52-041
BX450/110 V EXT406PX B580-52-043
BX501/110 V EXT555H/555HF/555Hi/555H
E
/EXT556 B580-52-044
BX70/240 V EXT70/70H/70Hi/75DX/75iDX B580-52-060
BX250/240 V EXT250/250H/250Hi/250M, EXT255H/255Hi/255DX/255iDX B580-52-061
BX450/240 V EXT406PX B580-52-063
BX501/240 V EXT555H/555HF/555Hi/555H
E
/EXT556 B580-52-064
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