Edwards nEXT730D Instruction Manual page 24

Turbomolecular pumps
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Gas throughput
N
2
Ar
He
H
2
Compression ratio
N
2
Ar
He
H
2
Ultimate pressure with 2-stage oil-
sealed rotary vane pump
Max. permissible
forevacuum pressure for N2
Operating speed
Run-up time, approx.
Max. power consumption
Power consumption at ultimate pres-
sure
Type of protection
Cooling standard
Cooling optional
Cooling water connection
Cooling water consumption
Permissible cooling water pressure
(bar(g): bar (gauge) is overpressure,
i.e. atmospheric pressure = 0 bar(g))
Permissible cooling water tempera-
ture
Weight
Recommended forevacuum pumps
Noise level
with convection cooling
with radial air cooler
Max. bake-out temperature of the CF
version, water cooled
B8J200880_D
300812671_002_C3
B8J200880_D - Technical data
-1
mbar · I · s
mbar
mbar
-1
min
min
W
W
IP
Type 1 (UL 50E)
l/h
bar(g)
°C
kg
dB(A)
°C
Page 24
1230H
9
3
14
> 20
11
> 1·10
11
> 1·10
8
4·10
7
1·10
-10
-9
< 5·10
> 5·10
15
42,000
2.5
660 (default), 800 (max.)
50
54
1
Water*
Air*
plug-in connection for 6x1 hose / alter-
native G 1/8
60
6
15 to 35
32.6
24.9
XDS35i or E2M28
< 44
< 55
100
08/2021 - ©Edwards Limited
-9
> 5·10
23.7

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