Edwards nEXT200200 - Page 22

Parameter
nEXT200200D nEXT200200iD nEXT200200T nEXT200200iT
• He
225 l s 225 l s 225 l s 225 l s
• H
2
195 l s 195 l s 195 l s 195 l s
Side to main inlet port compression r
ao
• N
2
8500 8500 8500 8500
• He
500 500 500 500
• H
2
100 100 100 100
Backing to side port compression rao
• N
2
> 1 x 10
7
> 1 x 10
7
> 1 x 10
7
> 1 x 10
7
• He
1.7 x 10
5
1.7 x 10
5
5 x 10
5
5 x 10
5
• H
2
9 x 10
3
9 x 10
3
2 x 10
4
2 x 10
4
Interstage pumping speed
• N
2
- 13 l s - 13 l s
• He
- 13 l s - 13 l s
• H
2
- 11 l s - 11 l s
Peak booster
Pumping speed (nitr
ogen)
• RV12 backing pump
-
26 m
3
h
-1
-
26 m
3
h
-1
• XDS10 backing pump
-
24 m
3
h
-1
-
24 m
3
h
-1
Recommended backing pump RV12 / XDS10
Operaon atude Vercal and uprigh
t to horizontal ± 2°
Normal rotaonal speed 60,000 revoluons per minute
Starng me t
o 90% speed
*
165 sec 165 sec 195 sec 195 sec
Sound pressure level(1 metre
away)
< 45 dB(A) ± 3 dB(A)
Declared dual number noise emission values in accordance
with ISO4871
*
P
ower limit seng 160 W
Page 18
B85200880_D - Technical data