VACUUBRAND ME 4 NT Diaphragm Vacuum Pump – Brand New
The VACUUBRAND ME 4 NT Diaphragm Vacuum Pump is a high-throughput, oil-free laboratory vacuum pump designed for vacuum filtration, multi-port vacuum manifolds, vacuum ovens, aspiration, degassing, gas transfer, and general laboratory evacuation. Featuring a two-head, single-stage diaphragm design, an ultimate vacuum of 70 mbar (52 Torr), and maximum pumping speed of 2.6 cfm at 60 Hz, the ME 4 NT provides substantially more pumping capacity than smaller ME-series pumps while maintaining the quiet operation, low vibration, and low maintenance that make diaphragm technology attractive for routine laboratory use.
This brand-new VACUUBRAND ME 4 NT is available from American Instrument Exchange and is particularly well suited for laboratories that need to operate multiple vacuum applications in parallel or require faster evacuation than a smaller benchtop diaphragm pump can provide. Its oil-free design eliminates vacuum pump oil maintenance and provides a clean, efficient alternative to water aspirators and oversized rotary vane pumps for low-vacuum laboratory workflows.
VACUUBRAND ME 4 NT Diaphragm Pump Key Features
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Brand-new VACUUBRAND ME 4 NT diaphragm vacuum pump
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Oil-free laboratory vacuum technology
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70 mbar / 52 Torr ultimate vacuum
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2.6 cfm maximum pumping speed at 60 Hz
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4.0 m³/h maximum pumping speed at 50 Hz
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Two-head, single-stage diaphragm design
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High pumping speed even near ultimate vacuum
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Excellent for medium- to high-throughput filtration
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Well suited for multi-port vacuum manifolds
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Supports multiple parallel laboratory vacuum applications
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Suitable for compatible vacuum ovens
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Continuous oil-free evacuation and gas pumping
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Whisper-quiet operation at approximately 45 dBA
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Very low vibration
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Maintenance-free drive system
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Long-life FKM fabric-reinforced diaphragms
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NRTL-certified configuration
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Supplied completely assembled and ready for use
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Available brand new from American Instrument Exchange
VACUUBRAND ME 4 NT Diaphragm Pump Overview
The VACUUBRAND ME 4 NT is engineered for laboratories that need significantly more pumping speed than a small single-station diaphragm pump, while still operating in the moderate-vacuum range.
Its single-stage construction provides an advantageous combination of high gas throughput and 70 mbar ultimate vacuum. At 60 Hz, maximum pumping speed reaches approximately 2.6 cfm, making the ME 4 NT especially useful for larger filtration setups, multi-port manifolds, parallel vacuum flasks, aspiration systems, and other laboratory applications where one pump must support several connections or evacuate equipment more rapidly.
VACUUBRAND uses two diaphragm heads to increase pumping capacity while retaining the simple, oil-free design of the ME series. Components in contact with pumped media include aluminum and selected plastics, making the ME 4 NT appropriate for a broad range of non-corrosive gases and vapors.
The NT-series design also emphasizes low noise, low vibration, high leak tightness, and extended diaphragm operating life, making the pump well suited for daily use in occupied laboratory environments.
VACUUBRAND ME 4 NT Key Specifications
| Specification |
Details |
| Manufacturer |
VACUUBRAND |
| Model |
ME 4 NT |
| Equipment Type |
Oil-Free Diaphragm Vacuum Pump |
| Pump Design |
Diaphragm |
| Number of Heads |
2 |
| Number of Stages |
1 |
| Maximum Pumping Speed at 60 Hz |
2.6 cfm |
| Maximum Pumping Speed at 50 Hz |
4.0 m³/h |
| Ultimate Vacuum |
70 mbar / 52 Torr |
| Maximum Back Pressure |
2 bar absolute |
| Inlet Connection |
Hose Nozzle DN 8–10 mm |
| Outlet Connection |
2 × G1/4" |
| Rated Motor Power |
0.18 kW / 180 W |
| Rated Motor Speed |
1500 rpm at 50 Hz / 1800 rpm at 60 Hz |
| Operating Ambient Temperature |
10°C to 40°C |
| Storage Temperature |
-10°C to 60°C |
| Dimensions (L × W × H) |
245 × 239 × 198 mm (9.6 × 9.4 × 7.8 in.) |
| Weight |
11.0 kg (24.3 lb) |
| Sound Pressure Level |
Approximately 45 dBA
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| Protection Class |
IP40 |
| ATEX Conformity |
II 3/- G Ex h IIC T3 Gc X, Internal Atmosphere Only |
| Certification |
NRTL Certified |
| Electrical Requirements |
Configuration dependent; U.S. and international versions available |
| Condition |
Brand New |
Energy Efficiency & Operating Costs
The ME 4 NT uses a 180-watt motor and completely oil-free pumping mechanism. Because the pump does not require vacuum oil, laboratories eliminate oil changes, oil disposal, oil mist, and potential oil backstreaming into laboratory equipment.
Its relatively high pumping speed also allows one pump to support several compatible applications in parallel, which may be more efficient than dedicating multiple smaller pumps to separate filtration or aspiration stations.
The maintenance-free drive system and long-life FKM diaphragm construction help reduce routine service requirements and total lifetime operating costs. For laboratories currently relying on water aspirators, replacing water-driven vacuum with an electric diaphragm pump can also reduce continuous water consumption and wastewater generation.
Specifications compiled from current VACUUBRAND manufacturer literature and American Instrument Exchange product information.
Common Applications
The VACUUBRAND ME 4 NT is particularly well suited for vacuum filtration, membrane filtration, multi-port vacuum manifolds, aspiration, degassing, compatible vacuum ovens, gas transfer, oil-free evacuation, and multiple parallel laboratory vacuum applications.
Its 2.6 cfm pumping speed makes it especially useful where throughput matters more than deep ultimate vacuum.
Ideal Laboratory Types
The ME 4 NT is an excellent choice for analytical chemistry laboratories, microbiology facilities, biotechnology companies, pharmaceutical quality-control groups, environmental testing laboratories, wastewater laboratories, food and beverage testing facilities, university research laboratories, teaching laboratories, and industrial quality-control departments.
It is especially useful in facilities that want one compact vacuum pump to serve several filtration or sample-preparation stations.
High-Throughput Vacuum Filtration
Vacuum filtration is one of the strongest applications for the ME 4 NT.
The 2.6 cfm pumping speed at 60 Hz provides substantially more capacity than the ME 1 or ME 2 NT, allowing the ME 4 NT to evacuate larger filtration systems more quickly and maintain performance when multiple filter positions are operating.
Typical applications include:
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Buchner funnel filtration
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Membrane filtration
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Microbiological filtration
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Wastewater sample preparation
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Environmental testing
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Pharmaceutical quality-control filtration
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Food and beverage testing
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General analytical sample preparation
For laboratories performing filtration continuously or operating several filtration positions at once, the ME 4 NT provides a strong balance of pumping speed, compact size, and oil-free operation.
Multi-Port Vacuum Manifolds & Parallel Operation
The ME 4 NT is particularly well suited for multi-port manifolds and parallel laboratory applications.
Its 4.0 m³/h pumping speed at 50 Hz or 2.6 cfm at 60 Hz gives it enough capacity to support several compatible low-vacuum processes from one pump, depending on gas load, tubing size, leaks, and manifold design.
This can be useful for:
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Multiple filtration stations
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Solid-phase extraction manifolds
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Aspiration systems
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Sample preparation benches
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Educational laboratory workstations
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Multiple vacuum flasks
Using one higher-capacity pump can simplify bench layouts and reduce the number of individual pumps requiring power and maintenance.
ME 4 NT for Vacuum Ovens
The ME 4 NT can also support compatible vacuum ovens requiring moderate vacuum.
Reducing oven chamber pressure lowers the boiling temperature of moisture and other volatile compounds, allowing drying at reduced temperature. The ME 4 NT's relatively high pumping speed can help evacuate a compatible chamber quickly.
However, its ultimate pressure is 70 mbar, so it is not intended for vacuum ovens requiring deep vacuum. Users should verify the oven manufacturer's target pressure, chamber volume, vapor load, and recommended pumping speed before selecting the pump.
For deeper-vacuum drying applications, an MZ-series diaphragm pump or RZ rotary vane pump may be more appropriate.
Oil-Free Vacuum Technology
The ME 4 NT operates with a completely oil-free diaphragm mechanism.
This provides several practical advantages for routine laboratory work:
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No vacuum pump oil changes
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No contaminated-oil disposal
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No oil mist
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No oil backstreaming into laboratory apparatus
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Reduced routine maintenance
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Clean evacuation of compatible gases
For filtration, aspiration, manifolds, and general low-vacuum work, these advantages often make diaphragm pumps easier to operate than traditional oil-sealed vacuum pumps.
Quiet Operation & Low Vibration
Despite its increased pumping capacity, VACUUBRAND specifies a sound pressure level of approximately 45 dBA for the ME 4 NT.
The NT-series design also emphasizes very low vibration. These characteristics make the pump particularly attractive for laboratories where vacuum equipment operates close to personnel or sensitive benchtop instrumentation.
ME 4 NT vs. ME 2 NT
The ME 2 NT and ME 4 NT share the same 70 mbar ultimate vacuum, but the ME 4 NT provides substantially greater pumping speed.
The ME 2 NT provides approximately 1.4 cfm at 60 Hz.
The ME 4 NT provides approximately 2.6 cfm at 60 Hz.
For a small number of filtration positions or modest gas loads, the ME 2 NT may be sufficient. For higher-throughput filtration, larger manifolds, or more simultaneous applications, the ME 4 NT offers a significant capacity advantage.
ME 4 NT vs. ME 1
The ME 1 is a compact pump designed primarily for an individual filtration station and delivers approximately 0.5 cfm at 60 Hz.
The ME 4 NT delivers more than five times that pumping speed while maintaining a 70 mbar ultimate vacuum.
For a single filtration flask, the ME 1 remains an economical choice. For shared vacuum infrastructure or multiple simultaneous applications, the ME 4 NT is much better suited.
ME 4 NT vs. MZ 2C NT
The ME 4 NT and MZ 2C NT serve very different priorities.
The ME 4 NT emphasizes pumping speed, delivering 2.6 cfm at 60 Hz but reaching only 70 mbar.
The MZ 2C NT emphasizes deeper vacuum and chemical resistance, reaching approximately 7 mbar with lower pumping speed.
The ME 4 NT is the stronger choice for high-throughput filtration and parallel low-vacuum applications involving compatible non-corrosive gases. The MZ 2C NT is better suited for solvent evaporation, chemical vapors, concentration, and processes requiring substantially deeper vacuum.
ME 4 NT vs. MD 4 NT
The ME 4 NT and MD 4 NT illustrate another important distinction within VACUUBRAND's diaphragm pump lineup.
The ME 4 NT is a single-stage, two-head pump optimized for higher throughput at moderate vacuum, reaching 70 mbar.
The MD 4 NT uses four heads and three stages and reaches approximately 1 mbar, making it much better suited for deep-vacuum diaphragm applications and as a backing pump for some turbomolecular systems.
For filtration and manifolds, the ME 4 NT is typically the better fit. For applications requiring much lower pressure, the MD 4 NT provides significantly greater vacuum depth.
Recommended Laboratory Applications
The VACUUBRAND ME 4 NT is recommended for:
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High-throughput vacuum filtration
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Multi-port vacuum manifolds
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Membrane filtration
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Buchner funnel filtration
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Aspiration systems
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Solid-phase extraction
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Multiple parallel laboratory vacuum applications
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Compatible vacuum ovens
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Degassing
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Gas transfer
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Oil-free evacuation
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Environmental testing
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Wastewater analysis
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Microbiology workflows
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General laboratory vacuum
Application suitability should always be evaluated according to required ultimate pressure, gas load, chemical compatibility, manifold design, and process conditions.
Why Choose the VACUUBRAND ME 4 NT?
The ME 4 NT is an excellent choice when a laboratory needs more pumping speed rather than deeper vacuum.
Its combination of 2.6 cfm pumping speed, 70 mbar ultimate vacuum, two-head design, 180-watt motor, oil-free operation, 45 dBA sound level, and compact footprint makes it particularly effective for shared filtration systems and multiple low-vacuum applications.
For laboratories that have outgrown the ME 1 or ME 2 NT but do not need the deep vacuum of an MZ or MD-series pump, the ME 4 NT fills that gap cleanly.
Brand-New VACUUBRAND Vacuum Pumps from American Instrument Exchange
American Instrument Exchange offers the VACUUBRAND ME 4 NT brand new, providing laboratories with access to current VACUUBRAND diaphragm vacuum technology from an established laboratory equipment supplier.
American Instrument Exchange offers a growing range of VACUUBRAND vacuum pumps covering individual filtration, high-throughput diaphragm pumping, chemistry-resistant vacuum, variable-speed solvent evaporation, rotary vane fine vacuum, and Chemistry-HYBRID applications.
This allows laboratories to choose a vacuum pump based on their actual required pressure, pumping speed, chemical compatibility, and process demands.
Shipping and Installation Considerations
The VACUUBRAND ME 4 NT is supplied completely assembled and ready for use.
The pump measures approximately 9.6" L × 9.4" W × 7.8" H and weighs approximately 24.3 lb, making it compact enough for benchtop or equipment-cart installation despite its higher pumping capacity.
The inlet uses a DN 8–10 mm hose nozzle, while the outlet configuration includes 2 × G1/4" connections. Vacuum tubing should be appropriately rated and compatible with the gases being pumped.
Electrical configurations vary by article number, so buyers should confirm the voltage and mains frequency of the specific pump before installation.
Related Laboratory Equipment
Laboratories purchasing high-throughput diaphragm vacuum pumps often also require filtration manifolds, membrane filtration systems, aspiration equipment, vacuum ovens, solid-phase extraction systems, analytical balances, water purification systems, centrifuges, and other sample-preparation equipment.
American Instrument Exchange offers new and refurbished laboratory equipment for analytical chemistry, biotechnology, microbiology, pharmaceutical research, environmental testing, academic laboratories, and industrial quality control.
VACUUBRAND ME 4 NT Frequently Asked Questions
What is the VACUUBRAND ME 4 NT primarily used for?
The ME 4 NT is particularly well suited for high-throughput vacuum filtration, multi-port manifolds, parallel laboratory vacuum applications, aspiration, degassing, and compatible vacuum ovens.
What is the ultimate vacuum of the ME 4 NT?
The ME 4 NT reaches an ultimate vacuum of 70 mbar, or approximately 52 Torr.
What is the pumping speed of the ME 4 NT?
Maximum pumping speed is approximately 2.6 cfm at 60 Hz or 4.0 m³/h at 50 Hz.
Is the VACUUBRAND ME 4 NT oil-free?
Yes. The ME 4 NT uses a completely oil-free diaphragm pumping mechanism and requires no vacuum pump oil during normal operation.
How many pump heads and stages does the ME 4 NT have?
The ME 4 NT uses two diaphragm heads arranged in one pumping stage.
Can the ME 4 NT support multiple vacuum applications?
Yes. Its higher pumping speed makes it well suited for parallel operation of several compatible low-vacuum applications, depending on manifold design and gas load.
Can the ME 4 NT be used for vacuum filtration?
Yes. Vacuum filtration is one of the strongest applications for the ME 4 NT, particularly when multiple filtration positions or higher throughput are required.
Can the ME 4 NT be used with a vacuum oven?
Yes, provided the oven requires only moderate vacuum. Users should verify that the chamber's required pressure and pumping-speed needs fall within the ME 4 NT's performance range.
Is the ME 4 NT chemically resistant?
The standard ME 4 NT is intended for a broad range of non-corrosive gases. VACUUBRAND identifies aluminum and selected plastics among the wetted materials. For aggressive solvents or corrosive vapors, an appropriate chemistry diaphragm pump should be selected instead.
What is the difference between the ME 4 NT and ME 2 NT?
Both reach approximately 70 mbar, but the ME 4 NT provides about 2.6 cfm at 60 Hz compared with roughly 1.4 cfm for the ME 2 NT, making the ME 4 NT better suited for higher-throughput and parallel applications.
What is the difference between the ME 4 NT and MZ 2C NT?
The ME 4 NT prioritizes higher pumping speed at moderate vacuum, while the MZ 2C NT provides deeper vacuum and enhanced chemical resistance. The best choice depends on whether throughput or vacuum depth/chemical compatibility is more important.
What is the difference between the ME 4 NT and MD 4 NT?
The ME 4 NT is a single-stage pump reaching 70 mbar, while the MD 4 NT uses four heads and three stages to reach approximately 1 mbar. The MD 4 NT is intended for applications requiring substantially deeper vacuum.
How quiet is the ME 4 NT?
VACUUBRAND specifies a sound pressure level of approximately 45 dBA.
What are the dimensions of the VACUUBRAND ME 4 NT?
The pump measures approximately 9.6" L × 9.4" W × 7.8" H and weighs approximately 24.3 lb.
Is this VACUUBRAND ME 4 NT refurbished or used?
No. This VACUUBRAND ME 4 NT Diaphragm Vacuum Pump is brand new, not refurbished or previously used, and is available from American Instrument Exchange.
