MD 1 VARIO-SP
The three-stage MD 1 VARIO-SP diaphragm pump, with its variable speed drive system, attains significantly higher pumping speed and a better ultimate vacuum than the corresponding fixed speed pump. The brushless 24V DC motor (maintenance-free) enables easy integration of the pump into other equipment, and operation independent of line voltage. The pump is extraordinarily silent and vibration-free, with an extended lifetime for its diaphragms.
Performance features
- contamination-free pumping and evacuation
- high flow rate even near ultimate vacuum
- variable speed: Fast pump down at high motor speed, with reduced speeds to maintain vacuum
- very powerful and extremely compact; whisper quiet and ultra-low vibration, especially at low speed
- customized versions available
Technical data
| Technical data | Unit |
MD 1 VARIO-SP |
| Number of heads / stages | | 4 / 3 |
| Max. pumping speed | m3/h | 1.7 |
| Max. pumping speed | cfm | 1.0 |
| Ultimate vacuum (abs.) | mbar/torr | 1 / 0.75 |
| Ambient temperature range (operation) | °C | 10 - 40 |
| Ambient temperature range (storage) | °C | -10 - 60 |
| Max. back pressure (EX) (abs.) | bar | 1.1 |
| Inlet connection (IN) | | Hose nozzle DN 6 mm |
| Outlet connection (EX) | | Silencer / G1/8" |
| Rated motor power | kW | 0.064 |
| Max. current | A | 7 |
| Typ. current (<10 mbar, 1500 min-1) | A | 1.5 |
| Motor speed range | min-1 | 200 - 2200 |
| Degree of protection | | IP 20 |
| Dimensions (L x W x H) | mm | 223 x 143 x 163 |
| Weight | kg | 4.1 |
| CE mark | | Yes |
| Items supplied | | Pump completely mounted, ready for use, with 2 m cable without plug and with manual |
| Accessories | | Rubber vacuum tubing DN 6 mm (686000) |
MD 1 VARIO-SP - Pumping speed graph
MD 1 VARIO-SP - Pump down graph
(10 l volume)
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MD 1 VARIO-SP - Dimension sheet |
-Technical data are subject to change without notice-
Ordering data
| Product name | Mains voltage and frequency | Plug | Order no. |
| MD 1 VARIO-SP | 24 V= | Open wires | 696101 |