≤ 0.50 ÷ ≤ 20.00 mbar
17.00 ÷ 42.00 m3/h
The PVL 15 and PVL 35 pumps are single-stage rotary vane lubricated pumps with oil recirculation.
The flanged electric motor is connected by means of an elastic coupling.
An integrated control valve prevents the oil from coming back and the return of air into the chamber to be pumped down during the stop phase.
The oil tank is provided with a system for separating the oil mists from the exhaust air; the separated oil is automatically recovered from the pump.
The gas ballast prevents condensation inside the pump when small quantities of steam are sucked.
The PVL 15 and PVL 35 pumps are suitable for the evacuation of closed systems or to operate at a constant vacuum included in the following range:
PVL 15 – PVL 35 from 0,5 to 300 mbar (absolute)
PVL 15 B – PVL 35 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
|
|
|
|
PVL 15 |
PVL 35 |
|
|
Pumping speed |
m³/h |
50Hz |
17 |
35 |
|
|
60Hz |
20 |
42 |
|||
|
Ultimate pressure with gas ballast (abs.) |
mbar |
|
≤ 0,5 (≤ 20 /B) |
≤ 0,5 (≤ 20 /B) |
|
|
Motor power |
kW |
50Hz |
0,37 |
0,75 |
|
|
60Hz |
0,55 |
1,1 |
|||
|
Motor speed |
rpm |
50Hz |
1500 |
1500 |
|
|
60Hz |
1800 |
1800 |
|||
|
Water vapour tolerance |
mbar |
|
30 |
30 |
|
|
Water vapour pumping capacity |
kg/h |
|
0,25 |
0,5 |
|
|
Lubricant charge |
l |
|
1 |
1,5 |
|
|
Sound pressure level |
dB(A) |
50Hz |
66 |
68 |
|
|
60Hz |
67 |
69 |
|||
|
Dimensions |
L x B x H |
mm |
50Hz |
380x260x222 |
460x296x271 |
|
60Hz |
415x260x222 |
488x296x271 |
|||
|
Weight |
kg |
50Hz |
23 |
38 |
|
|
60Hz |
26 |
40 |
|||
|
Connections* |
Inlet |
|
½” Gas |
¾” Gas |
|
|
Outlet |
|
½” Gas |
¾” Gas |
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* Other types of connection available upon request
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