Edwards EXT70 Series User Manual

© Edwards Limited 2007. All rights reserved. Page 7
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Technical data
B722-01-880 Issue K
2Technical data
2.1 Operating conditions
2.2 Mechanical data
Table 1 - Operating conditions data
Maximum inlet flange temperature 100
o
C
Maximum magnetic field 5 mT
Ambient operating temperature
Water-cooling 5 to 40
o
C
Free convection cooling (EXT70 only) 0 to 30
o
C
Forced-air cooling 0 to 35
o
C
Maximum operating humidity
Ambient temperature up to 31
o
C80%
Ambient temperature up to 40
o
C50%
Minimum backing pump displacement 0.6 m
3
h
-1
(EXT70 DN40NW/DN50NW)
1.3 m
3
h
-1
(EXT70 DN63CF/DN63ISO-K)
4.6 m
3
h
-1
(EXT250 DN100CF/DN100ISO-K)
Recommended backing pump
*
*
A larger backing-pump may be required for maximum throughput.
E2M0.7 (EXT70 DN40NW/DN50NW)
E2M1.5 (EXT70 DN63CF/DN63ISO-K)
E2M5 (EXT250 DN100CF/DN100ISO-K)
Operating attitude Vertical and upright through to horizontal
Maximum operating altitude 2000 m
Noise level (at 1 m) < 50 dB(A)
Installation category EN61010 part 1, Category 1
Pollution degree EN61010 part 1, Category 2
Equipment type Fixed Equipment, for indoor use only
Table 2 - Mechanical data
Dimensions See Figure 4 and Figure 5
Inlet-flange: EXT70 DN40NW, DN50NW, DN63CF or DN63ISO-K
Inlet-flange: EXT250 DN100CF or DN100ISO-K
Outlet-flange DN16NW (EXT70), DN25NW (EXT250)
Vent-port
1
/
8
inch BSP
Purge-port (EXT250 only) DN10NW
Mass: EXT70 DN40NW/DN50NW 1.4 kg
EXT70 DN63CF 3.4 kg
EXT70 DN63ISO-K 1.5 kg
EXT250 DN100CF 5.6 kg
EXT250 DN100ISO-K 8.0 kg

Edwards EXT70 Series Specifications

General

Brand	Edwards
Model	EXT70 Series
Category	Water Pump
Language	English