EDWARDS RV3 vacuum pump bipolar selector vane vacuum pumps
DEWA EDWARDS VACUUM PUMP RV3 Features (1) The vacuum pump has a large pumping speed in a wide pressure range; (2) No need for oil sealing and lubrication in the pump chamber reduces the contamination of oil vapor on the vacuum system; (3) No compression in the vacuum pump chamber, no exhaust valve. The structure is simple, compact, and insensitive to dust and water vapor in the pumped gas; (4) The rotor has good geometric symmetry, so it has little vibration and smooth operation. There are gaps between the rotor and between the rotor and the shell, without lubrication, small friction loss, which can greatly reduce the driving power, so that a higher speed can be realized.
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Key Features
48 dB(A) to minimize intrusive frequencies.
.D dual mode. For high throughput and high vacuum applications.
D Quick-acting inlet valve provides system protection.
. DEasy-to-use air bladder.
.” High torque, dual voltage/dual frequency motor with electric start relay.
.D Oil seal with printed gaskets for high shaft sealing efficiency.
.2 High-tech polymer blades with large diameter and easy-to-clean oil circuit.
Technical Parameters
| Speed 50Hz/60 HZ | 3.7 m3h-1/2.2ttsmin-1
3.9 m3h-1/2.3 ft3min-1 |
| Limit pressure | 2.0 x10-3 mbar/1.5 x 10-3 Torr |
| Maximum inlet pressure for water vapor | 80 mbar/60 Torr |
| Maximum permissible outlet pressure | 0.2 bar gauge pressure/2.8 psig |
| Motor power 50/60Hz | less than 10 mm for friable materials, less than 3 mm for others |
| Weight (without oil) | 25 kg/55 lb |
| Inlet flange | NW25 |
| Noise level | 48 dB(A) at 50 Hz |
| Power connector (1 phase) | IEC EN60320 C13 |
| passenger volume 50/60Hz | 3.7 m3h-1/2.2 ft3min-1
4.5 m3h-1/2.6 ft3min-1 |
| Operating temperature range | 12-40°C |
| Minimum/Maximum Oil Volume | 0.42/0.7 liters |
| Exhaust port flange | NW25 |
| Nominal speed 50/60Hz | 1500/1800rpm |
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