VACUUBRAND MD 1 Diaphragm Pump
Ultimate Vacuum
1.5 mbar (1.1 Torr)
Maximum Pumping Speed
0.82 CFM at 60Hz
Number of Heads/Stages
4/3
Features
- Contamination-free pumping and evacuation
- High flow rate even near ultimate vacuum
- Excellent ultimate vacuum
- Whisper quiet and ultra-low vibration
- Proven long diaphragm life, maintenance-free drive system
VACUUBRAND is a Platinum Service Member
Platinum recognition is reserved for approximately 10% of our manufacturer partners and is earned through above-and-beyond performance, service, and customer care—not through purchase or sponsorship.
A partner you can count on. Backed by dependable support.
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Warranty Support
Coverage that provides real peace of mind.
Quick
Turnaround
Fast answers and efficient resolutions.
Dependable
Service
Consistent support from start to finish.
Backed for the
Long Run
Continued support throughout ownership.
The MD 1 diaphragm pump is an excellent choice for oil-free evacuation and pumping of non-corrosive gases down to 1.5 mbar ultimate vacuum. The three-stage design with precisely guided flat diaphragms provides outstanding pumping speed even close to the ultimate vacuum, especially when compared with similarly rated two-stage diaphragm pumps. The MD 1 is an ultra-low vibration pump with very long diaphragm lilfetime and stable ultimate vacuum documented with years of testing. With a flow path consisting of aluminum and selected plastics (diaphragms and valves made of PTFE/FKM and FKM, respectively) the pumps are suitable for a wide range of applications with non-corrosive gases. The MD 1 is an excellent choice for continuous, oil-free evacuation and pumping of non-aggressive gases. It is suitable for high vacuum requirements at modest gas flow as often needed in physics and analytics. The pump is exceptionally quiet and reliable with long diaphragm and valve lifetimes. With its low ultimate vacuum and compact dimensions the MD 1 is widely used as replacement of rotary vane pumps. Typical applications are exhaust gas analysis, for degassing of small amounts of viscous media and in particular as backing pump for compact turbomolecular drag pumps. Back diffusion of oil or even oil back flow, e.g., into a high vacuum chamber is excluded due to its oil-free operation. For equipment manufacturers customized versions are available.
INCLUDED:
The VACUUBRAND MD 1 Diaphragm Pumpincludes:
- Power Cord
- Operator’s Manual
- Manufacturer’s Documentation
- 2 Year Manufacturer’s Warranty
VACUUBRAND MD 1 Diaphragm Pump Specifications
| Max. pumping speed 50 Hz | 1.2 m3/h |
| Max. pumping speed 60 Hz | 0.82 cfm |
| Ultimate vacuum | 1.5 mbar / 1.1 torr |
| Number of heads | 4 |
| Number of stages | 3 |
| Lower ambient temperature (operation) | 10 °C |
| Upper ambient temperature (operation) | 40 °C |
| Lower ambient temperature (storage) | -10 °C |
| Upper ambient temperature (storage) | 60 °C |
| Max. back pressure (abs.) | 1.1 bar |
| Inlet connection | Hose nozzle DN 6 mm |
| Outlet connection | Silencer / G1/8″ |
| Rated motor power | 0.08 kW |
| Rated motor speed at 50/60 Hz | 1500/1800 min-1 |
| Protection class IEC 60529 | IP 40 |
| Dimension L in mm | 326 mm |
| Dimension B in mm | 143 mm |
| Dimension H in mm | 215 mm |
| Weight | 7.3 kg |
| Noise (sound pressure level) in dBA at 50 Hz or 1500 rpm/62% (VARIO)/1500 rpm (VARIO-SP)/12500 Upm (VACUU·PURE®) | 40 dBA |
| ATEX conformity | II 3/- G Ex h IIC T3 Gc X Internal Atm. only |
| NRTL certification | Yes |
| Items supplied | Pump completely mounted, ready for use, with manual. |
| Rated mains voltage range 1 | 220-230 V |
| Rated mains voltage range 2 | 100-115 V |
| Rated mains voltage range 3 | 120 V |
| Mains frequency 1 | 50-60 Hz |
| Mains frequency 2 | 50-60 Hz |
| Mains frequency 3 | 60 Hz |
Comparison of Models
|
Specs |
MD 1 Diaphragm Pump |
MD 1C Chemistry Diaphragm Pump |
MD 4 NT Diaphragm Pump |
MD 4 VARIO Select Diaphragm Pump |
MD 4C NT Chemistry Diaphragm Pump |
MD 4C VARIO Select Chemistry Diaphragm Pump |
MD 12 NT Diaphragm Pump |
|
Max. Pumping Speed 50 Hz |
1.2 m³/h |
1.3 m³/h |
3.8 m³/h |
5.7 m³/h |
3.4 m³/h |
4.6 m³/h |
12.1 m³/h |
|
Ultimate Vacuum |
1.5 mbar / 1.1 torr |
2 mbar / 1.5 torr |
1 mbar / 0.75 torr |
1 mbar / 0.75 torr |
1.5 mbar / 1.1 torr |
1.5 mbar / 1.1 torr |
2 mbar / 1.5 torr |
|
Number of Heads |
4 |
4 |
4 |
4 |
4 |
4 |
8 |
|
Vacuum Controller |
N/A |
N/A |
N/A |
VACUU·SELECT |
N/A |
VACUU·SELECT |
N/A |
|
Rated Motor Power |
0.08 kW |
0.08 kW |
0.25 kW |
0.53 kW |
0.25 kW |
0.53 kW |
0.53 kW |
|
Weight |
7.3 kg |
7.9 kg |
16.4 kg |
19.1 kg |
14.3 kg |
16.8 kg |
30.3 kg |
|
Noise Level |
40 dBA |
41 dBA |
45 dBA |
45 dBA |
45 dBA |
43 dBA |
50 dBA |
|
NRTL Certification |
Yes |
Yes |
Yes |
No |
Yes |
No |
No |
|
Mains Voltage Range |
220-230 V / 100-115 V / 120 V |
220-230 V / 100-115 V / 120 V |
100-115 V / 120 V |
100-120 V |
100-115 V / 120 V |
100-120 V |
100-120 V |
