
VACUUBRAND MD 1 Diaphragm Pump delivers clean, oil-free vacuum performance with exceptional reliability and ultra-low noise, making it ideal for continuous pumping of non-corrosive gases down to 1.5 mbar (1.1 Torr). Its robust three-stage, four-head diaphragm design ensures outstanding pumping speed, even near its ultimate vacuum, outperforming typical two-stage pumps in its class.
Key Features:
- Ultimate Vacuum: 1.5 mbar (1.1 Torr)
- Maximum Pumping Speed: 0.82 CFM (60 Hz)
- Number of Heads/Stages: 4 / 3
- Contamination-free pumping with oil-free diaphragm design
- High flow rates maintained close to ultimate vacuum levels
- Ultra-quiet (only 40 dBA) with very low vibration
- Long diaphragm lifetime and maintenance-free drive system
- Aluminum and PTFE/FKM construction ensures compatibility with non-corrosive gases
- Widely used as a replacement for rotary vane pumps in physics, analytics, and backing compact turbomolecular drag pumps
- Eliminates back diffusion or backflow of oil into vacuum systems
- Compact, lightweight, and CE/NRTL certified for laboratory and OEM applications
Included Items
- VACUUBRAND MD 1 Diaphragm Pump (fully assembled, ready to use)
- Power Cord
- Operator’s Manual
- Manufacturer’s Documentation
- 2-Year Manufacturer’s Warranty
Specifications
Ultimate Vacuum | 1.5 mbar / 1.1 Torr |
Max. Pumping Speed | 0.82 CFM (60 Hz) |
Number of Heads / Stages | 4 / 3 |
Max. Back Pressure (abs.) | 1.1 bar |
Rated Motor Power | 0.08 kW |
Rated Speed | 1500 / 1800 rpm (50 / 60 Hz) |
Protection Class | IP 40 |
Noise Level | 40 dBA |
ATEX Conformity | II 3/- G Ex h IIC T3 Gc X (internal atmosphere only) |
Certifications | CE, NRTL |
Dimensions (L x W x H) | 326 x 143 x 215 mm |
Weight | 7.3 kg |
Operating Temp. Range | 10 °C to 40 °C |
Storage Temp. Range | -10 °C to 60 °C |
Inlet Connection | DN 6 mm hose nozzle |
Outlet Connection | Silencer / G1/8" |
Rated Voltage Ranges | 220-230V / 100-115V / 120V |
Mains Frequency | 50-60 Hz |