Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009
page 10 of 36
We reserve the right for technical modifications without prior notice!
Type
ME 8 NT ME 8S NT MD 4 NT MV 2 NT
Maximum pumping speed 50/60 Hz
(ISO 21360)
m
3
/h
7.3 / 8.1
7.1 / 7.8
3.8 / 4.3
2.2 / 2.4
Ultimate vacuum (absolute)
mbar
70
1
0.5
Maximum permissible outlet pres-
sure (absolute)
bar
2
1.1
Maximum pressure difference be-
tween inlet and outlet
bar
2
1.1
Permissible ambient temperature
storage / operation
°C
-10 to +60 / +10 to +40
Permissible relative atmospheric
moisture during operation
(no condensation)
%
30 to 85
Rated motor power
W
250
No-load speed 50/60 Hz
min
-1
1500 / 1800
Maximum permissible range of sup-
ply voltage (
±
10% )
Attention: Observe specifications
of rating plate!
100V~ 50/60 Hz
120 V~ 60 Hz
100-115 V~ 50/60Hz,
120 V~ 60 Hz
-
Dual voltage motor
230 V~ 50/60 Hz
100-115 V~ 50/60 Hz, 120 V~ 60 Hz /
200-230 V~ 50/60 Hz
Maximum rated current at:
100 V~ 50/60 Hz
120 V~ 60 Hz
230 V~ 50/60 Hz
100-115 V~ 50/60 Hz 120 V~ 60 Hz
200-230 V~50/60 Hz
A
A
A
A
A
5.0
4.0
3.0
5.7
3.0
Device fuse
slow blow fuse 6.3A
Motor protection
thermal cutout, manual reset
Degree of protection IEC 529
IP 40
Inlet
hose nozzle DN 10 mm
small flange KF 16
Outlet
2x silencer
silencer
Dimensions L x W x H approx.
mm
325 x 239 x 198
Weight approx.
kg
16.4