The Pfeiffer Balzers Duo 20M Dual Stage Rotary Vane Vacuum Pump New is designed and manufactured to meet the demanding requirements of various industrial and scientific applications. Thanks to a very simple and highly reliable design, the Pfeiffer Balzers Duo 20M dual stage rotary vane vacuum pump provides great performance with high pumping stability. This pump has a hydraulic safety valve for operational safety, gas ballast valve and integrated magnetic coupling to eliminate oil leaks. These Pfeiffer Balzers Duo 20M Dual Stage Rotary Vane Vacuum Pumps have a pumping speed displacement of 14.25 CFM. This Pfeiffer Balzers Duo 20M dual stage rotary vane vacuum pump comes with a 1 year factory warranty. Oil, parts and accessories for this pump are available on this website. We also offer rebuild and repair services for this pump, see below.
DUO Series Pumps
NEW Pfeiffer Balzers DUO20M DUO 20 M Dual Stage Rotary Vane Vacuum Pump PKD63707
Advantages
●Environmentally Friendly – No Oil Leaks
●Minimum Operation Costs – No Shaft Seal
●No Exchange Between Process Gas & Environment
●Integrated Safety & Gas Ballast Valve
Applications
●Analytical Industry – Metallurgy
●Coating – Research & Development
●Drying – Chemistry – Roughing
$4,636.00 $4,880.00
| Technical data | DUO 20 M | DUO 20 MC |
| Flange (in) | DN 25 ISO-KF | DN 25 ISO-KF |
| Flange (out) | DN 25 ISO-KF | DN 25 ISO-KF |
| Pumping speed at 50 Hz | 20 m3/h | 20 m3/h |
| Pumping speed at 60 Hz | 24 m3/h | 24 m3/h |
| Ultimate pressure with gas ballast | ≤ 1 • 10-2 mbar | ≤ 1 • 10-2 mbar |
| Ultimate pressure without gas ballast | ≤ 5 • 10-3 mbar | ≤ 5 • 10-3 mbar |
| Leakage rate safety valve | ≤ 1 * 10-4 mbar *l/s | ≤ 1 * 10-4 mbar *l/s |
| Water vapor tolerance at 50 Hz | 30 mbar | 30 mbar |
| Water vapor tolerance at 60 Hz | 36 mbar | 36 mbar |
| Water vapor capacity 50 Hz | 400 g/h | 400 g/h |
| Water vapor capacity 60 Hz | 550 g/h | 550 g/h |
| Emission sound pressure level without gas ballast | ≤ 55 dB (A) | ≤ 57dB (A) |
| Pump fluid filling | 1 I | 1 I |
| Rated power 50 Hz | 0.55 kW | 0.55 kW |
| Rated power 60 Hz | 0.66 kW | 0.66 kW |
| Nominal rotation speed at 50 Hz | 1380 rpm | 1400 rpm |
| Nominal rotation speed at 60 Hz | 1660 rpm | 1680 rpm |
| Switch | no | yes, with 2 m mains cable and safety plug |
| Weight | 33 kg | 39 kg |




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