| Technical data |
Unit |
MD 4C EX |
| 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) |
|
Small flange KF DN 16 |
| Rated motor power |
kW |
0.25 |
| Max. operating current |
A |
2 |
| Max. starting current |
A |
10.2 A / 125 ms |
| Rated speed at 50Hz |
min-1 |
1500 |
| Degree of protection |
|
IP 54 |
| Dimensions (L x W x H) |
mm |
440 x 265 x 305 |
| Weight |
kg |
29.3 |
| 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 |
|
Pump completely mounted, ready for use, with manual, 2 m cable without plug |
| Accessories |
|
PTFE tubing KF DN 16 (1000 mm: 686031)
PTFE tubing KF DN 25 (1000 mm: 686033) |
