The NEW Pfeiffer Vacuum DUO 3 M (Magnetic Coupling) Dual Stage Rotary Vane Vacuum Pump is designed and manufactured to meet the demanding requirements of various industrial and scientific applications. In contrast to the standard pump, these magnetic coupling pumps have a frictionless magnetic coupling. Oil leakage from a wear-prone conventional shaft seal is ruled out in these models. Thanks to a very simple and highly reliable design, the Pfeiffer DUO 3 M dual stage rotary vane vacuum pump provides great performance with high pumping stability. This compact, high performance series pumps down to 10-3 Torr. This pump also contains a high vacuum safety valve. These Pfeiffer DUO 3 M dual stage rotary vane vacuum pumps have a pumping speed displacement of 1.5 CFM, 2.5 CMH. This Pfeiffer Duo 3 M series rotary vane vacuum pump is Brand new and comes with a half liter of P3 oil, Pfeiffer Vacuum Part Number PK D57 111 B. Parts, Repair Kits, Oil and Accessories for this pump are available on this website. We also offer rebuild and repair services for this pump.
DUO Series Pumps
Pfeiffer DUO 3 M Magnetic Coupling Dual Stage Rotary Vane Vacuum Pump, 1Ph, 115/230V PK D57 111 B
.Environmentally Friendly(No Oil Leaks)
.Environmentally Friendly(No Shaft Seals)
.No Exchange Between Process(Gas & Envioronment)
.Integrated Safety & Gas(Ballast Valve)
$2,952.60
Compare| Parameter | Duo 3 | Duo3M |
| Flange (in) | DN 16 ISO-KF | |
| Flange (out) | DN 16 ISO-KF | |
| Pumping speed at 50 Hz | 2.5 m3/h | |
| Pumping speed at 60 Hz | 2.9 m3/h | |
| Ultimate pressure with gas ballast | 3·10-3hPa | |
| Ultimate pressure without gas ballast | 3·10-3hPa | |
| Exhaust pressure, min. | Atmospheric pressure | 250 hPa |
| Exhaust pressure, max. | 1500 hPa | |
| Rotation speed at 50 Hz | 3000 min-1 | |
| Rotation speed at 60 Hz | 3600 min-1 | |
| Leak rate safety valve | ≤1·10-5 Pa m3/s | |
| Emission sound pressure level without gas ballast at 50Hz | ≤53 dB(A) | |
| Ambient temperature | 12-40℃ | |
| Protection category | IP 40 | |
| Rated power 50 Hz | 0.15 kW | |
| Rated power 60 Hz | 0.18 kW | |
| Switch | Yes | |
| Mains cable | No | |
| Shipping and storage temperature | -25-+55℃ | |
| Operating fluid filling | 0.4I | |
| Weight | 11.3 kg | 12 kg |
| Cooling method, standard | Air | |




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