Edwards nEXT300 - nEXT 240;300 Pump Technical Data

Parameter
nEXT240D
ISO100
nEXT240D
CF100
nEXT240T
ISO100
nEXT240T
CF100
Inlet compression rao
N
2
He
H
2
>1 x 10
11
3 x 10
5
1 x 10
4
>1 x 10
11
3 x 10
5
1 x 10
4
>1 x 10
11
1 x 10
6
1.5 x 10
4
>1 x 10
11
1 x 10
6
1.5 x 10
4
In
terstage pumping speed
N
2
He
H
2
13 l/s
13 l/
s
11 l/
s
13 l/s
13 l/s
11 l/s
13 l/s
13 l/s
11 l/s
13 l/s
13 l/s
11 l/s
Peak booster pumping speed
(nitrog
en)
RV12 backing pump
XDS10 backing pump
- -
26 m
3
h
-1
24 m
3
h
-1
26 m
3
h
-1
24 m
3
h
-1
Ulmate pressure*
<6 x 10
-8
mbar <5 x 10
-10
mbar <6 x 10
-8
mbar <5 x 10
-10
mbar
* Con
tact the supplier to discuss your specic sys
tem details and the achievement of
ulmate pressure.
Note:
Pumping speeds given are without an inlet screen.
Table 3 nEXT 300 pumps technical data
Parameter
nEXT300D
ISO100
nEXT300D
CF100
nEXT300T
ISO100
nEXT300T
CF100
Mass 5.8 kg 8.5 kg 6.1 kg 8.8 kg
Inlet ange DN100ISO-K DN100CF DN100ISO-K DN100CF
Outlet ange DN25NW DN25NW DN25NW DN25NW
Vent port ⅛ inch BSPP ⅛ inch BSPP ⅛ inch BSPP ⅛ inch BSPP
Purge port ⅛ inch BSPP ⅛ inch BSPP ⅛ inch BSPP ⅛ inch BSPP
Interstage port DN25NW DN25NW DN25NW DN25NW
Booster port DN25NW DN25NW DN25NW DN25NW
Inlet pumping speed
N
2
He
H
2
300 l/s
340 l/s
280 l/s
300 l/s
340 l/s
280 l/s
300 l/s
340 l/s
280 l/s
300 l/s
340 l/s
280 l/s
Inlet compression rao
N
2
He
H
2
>1 x 10
11
1 x 10
6
5 x 10
4
>1 x 10
11
1 x 10
6
5 x 10
4
>1 x 10
11
3 x 10
6
1 x 10
5
>1 x 10
11
3 x 10
6
1 x 10
5
04/2022 - ©E
dwards Limited
Page 19B80000880_G
B80000880_G - Technical data