Edwards nEXT 240D User Manual

© Edwards Limited 2013. All rights reserved. Page 11
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Technical data
B800-00-880 Issue D
Note: Pumping speeds quoted are without an inlet screen.
Note: Pumping speeds quoted are without an inlet screen.
Interstage pumping sSpeed
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 (nitrogen)
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
Ultimate pressure
*
<6 x 10
-8
mbar <5 x 10
-10
mbar <6 x 10
-8
mbar <5 x 10
-10
mbar
*
Ultimate pressure 48 hours after bakeout for CF version and without bakeout for ISO version with 2-stage
rotary vane backing pump.
Table 4 - nEXT 300 pumps technical data
Parameter
nEXT300D
ISO100
nEXT300D
CF100
nEXT300T
ISO100
nEXT300T
CF100
Mass 5.7 kg 8.5 kg 6 kg 8.8 kg
Inlet flange DN100ISO-K DN100CF DN100ISO-K DN100CF
Outlet flange 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 ratio
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
Interstage 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 (nitrogen)
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
Ultimate pressure
*
*
Ultimate pressure 48 hours after bakeout for CF version and without bakeout for ISO version with 2-stage
rotary vane backing pump.
<6 x 10
-8
mbar <5 x 10
-10
mbar <6 x 10
-8
mbar <5 x 10
-10
mbar
Table 3 - nEXT 240 pumps technical data (continued)
Parameter
nEXT240D
ISO100
nEXT240D
CF100
nEXT240T
ISO100
nEXT240T
CF100

Edwards nEXT 240D Specifications

General

Brand	Edwards
Model	nEXT 240D
Category	Water Pump
Language	English