Edwards nXLi Series - Performance; Figure 7 Dimensions - Nxl200 I; Table 9 Performance Data

Figure 7
Dimensions - nXL200i
All measurements indicated are shown in mm (inches)
Perf
ormance
Table 9
Performance data
nXL110i nXL200i
Maximum pumping speed (m
3
/hr)
*
110 200
Maximum connuous inle
t pressure at 40°
ambient (mbar)
8
Maximum connuous inlet pressure at 30°
ambient (mbar)
15
Maximum connuous exhaust pressure (bar
gauge)
0.4
Maximum inlet ow to pump down a 100 litre
chamber from atmospheric pressure (slm)
0 N/A
Maximum inlet ow to pump down a 75 litre
chamber from atmospheric pressure (slm)
5 0
Maximum inlet ow to pump down a 50 litre
chamber from atmospheric pressure (slm)
25 20
Suck-back protecon By exhaust valve By exhaust valve
Leak ghtness (stac) (mbar l s
-1
) <1 x 10
-5
<1 x 10
-5
*
Values f
or maximum pumping speed are obtained at sea level. Above this level pump performance may be
compromised and the rotaonal speed may drop below nominal.
A770-10-880A - Technical Reference
Page 34