Technical data |
Unit |
MD 4C EX+AK+EK |
Number of heads / stages |
|
4 / 3 |
Max. pumping speed at 50 Hz |
l/min |
62 |
Ultimate vacuum (abs.) |
mbar/torr |
3 / 2.3 |
Ultim. vac. (abs.) with gas ballast |
mbar/torr |
10 / 7.5 |
Integral leakage rate |
mbar l/s |
0.1 |
Ambient temperature range (operation) |
°C |
10 ~ 40 |
Ambient temperature range (storage) |
°C |
-10 ~ 60 |
Max. media temperature |
°C |
40 |
Max. back pressure (abs.) |
bar |
1.1 |
Inlet connection (IN) |
|
Small flange KF DN 25 |
Outlet connection (EX) |
|
Hose nozzle DN 8-10 mm |
Coolant connection |
|
2 x Hose nozzle DN 6-8 mm |
Rated motor power |
kW |
0.25 |
Max. operating current |
A |
2 |
Max. starting current |
A |
10.2 A / 125 ms |
Rated speed at 50 Hz |
min-1 |
1500 |
Degree of protection |
|
IP 54 |
Dimensions (L x W x H) |
mm |
600 x 365 x 420 |
Weight |
kg |
37.4 |
Noise level at 50 Hz, typ. |
dBA |
53 |
ATEX conformity |
|
Pumping chamber (pumped gases): II 2G IIC T3 X Environment with inert purge gas: II 2G IIB T4 X Environment without inert purge gas: II 3G IIB T4 X Motor: II 2G Ex d IIB T4 |
Items supplied |
|
Pumping unit completely mounted, ready for use, with manual, 2 m cable without plug. The user must provide an external protection against glass damage and breakage. |
Accessories |
|
PTFE tubing KF DN 25 (1000 mm: 686033) |