≤ 2.00 ÷ ≤ 20.00 mbar
The EM 4 and EM 8 are single-stage rotary vane lubricated pumps with oil recirculation.
The rotor is keyed directly onto the motor shaft.
The oil tank is provided with a system for separating the oil mists from the exhaust air.
The gas ballast, except for EM4, prevents condensation inside the pump when small quantities of steam are sucked.
The EM 4 and EM 8 pumps are suitable for the evacuation of closed systems or to operate at a constant vacuum included in the following range:
EM 4 – EM 8 from 2 to 300 mbar (absolute)
EM 4 B - EM 8 B from 20 to 850 mbar (absolute)
ACCESSORIES
The following accessories are useful for the installation and for the control of the pump operation parameters:
Sono disponibili i seguenti accessori utili per l’installazione e per il controllo dei parametri di funzionamento della pompa:
Filtro esterno in aspirazione.
Vacuometri/vacuostati
Manometri/pressostati
|
|
|
|
EM 4 |
EM 8 |
|
|
Pumping speed |
m³/h |
50Hz |
4 |
8,5 |
|
|
60Hz |
4,8 |
10 |
|||
|
Ultimate pressure with gas ballast (abs.) |
mbar |
|
≤ 2 (≤ 20 /B) |
≤ 2 (≤ 20 /B) |
|
|
Motor power |
kW |
50Hz |
0,12 |
0,25 |
|
|
60Hz |
0,15 |
0,30 |
|||
|
Motor speed |
rpm |
50Hz |
3000 |
3000 |
|
|
60Hz |
3600 |
3600 |
|||
|
Water vapour tolerance |
mbar |
|
/ |
20 |
|
|
Water vapour pumping capacity |
kg/h |
|
/ |
0,125 |
|
|
Lubricant charge |
l |
|
0,1 |
0,15 |
|
|
Sound pressure level |
dB(A) |
50Hz |
57 |
58 |
|
|
60Hz |
59 |
60 |
|||
|
Dimensions |
L x B x H |
mm |
|
236x129x139 |
300x166x139 |
|
Weight |
kg |
|
5,4 |
11,7 |
|
|
Connections* |
Inlet |
|
1/8” Gas |
3/8” Gas |
|
* Other types of connection available upon request
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