The VACUUBRAND MZ 2C NT is a two-stage, oil-free chemistry diaphragm vacuum pump designed for laboratory applications involving compatible chemical gases and vapours. It provides an ultimate vacuum of 7 mbar absolute (5 Torr) and a maximum pumping speed of 1.4 cfm at 60 Hz.
With chemically resistant wetted components, PTFE sandwich diaphragms and an integrated gas ballast valve, the MZ 2C NT is suitable for many research, chemistry and laboratory evaporation applications. Manufacturer part number 20732303 is the North American electrical configuration, rated for 120 V/60 Hz operation with NRTL C/US certification.
University chemistry laboratories, pharmaceutical and chemical research, suitable rotary evaporation, vacuum concentration, solvent evaporation, gel drying and other laboratory processes requiring chemically resistant, oil-free vacuum.
| Manufacturer | VACUUBRAND |
| Model / Part Number | MZ 2C NT / 20732303 |
| Pump Type | Oil-free chemistry diaphragm pump |
| Heads / Stages | 2 / 2 |
| Ultimate Vacuum | 7 mbar absolute / 5 Torr |
| With Gas Ballast | 12 mbar absolute / 9 Torr |
| Maximum Pumping Speed, 60 Hz | 1.4 cfm |
| Maximum Pumping Speed, 50 Hz | 2.0 m³/h |
| Gas Ballast | Integrated valve |
| Inlet / Outlet | DN 8–10 mm hose nozzles |
| Electrical Configuration | 100–115 V / 50–60 Hz or 120 V / 60 Hz |
| North American Certification | NRTL C/US configuration |
| Motor Power | 0.18 kW |
| Operating Ambient Temperature | 10°C to 40°C |
| Maximum Outlet Pressure | 1.1 bar absolute |
| Protection Class | IP40 |
| Dimensions (L × W × H) | 243 × 243 × 198 mm |
| Weight | 11.1 kg |
| Noise Level | 45 dBA, typical at 50 Hz |
The MZ 2C NT includes a gas ballast valve to help the pump handle condensable vapours. This is useful in applications where vapours may otherwise condense during compression inside the pump.
Opening the gas ballast improves vapour handling but raises the ultimate vacuum from 7 mbar to approximately 12 mbar absolute.
For applications with heavy vapour loads or possible liquid carryover, additional inlet or exhaust protection may still be required.
Included: Fully assembled MZ 2C NT vacuum pump and manufacturer operating manual.
Depending on your application, you may also require:
Vacuum tubing, regulation and vapour-management accessories should be selected for the full laboratory system. Do not assume these accessories are included with the standard pump.
Both models are oil-free chemistry diaphragm pumps designed for compatible laboratory gases and vapours.
Both models have similar maximum free-air pumping speeds at 60 Hz. Select according to the operating pressure, actual gas load and chemical compatibility rather than the maximum flow rating alone.
Compare the VACUUBRAND ME 2C NT Chemistry Vacuum Pump.
Yes. The diaphragm pump operates without vacuum pump oil, eliminating routine oil changes.
It can be suitable for rotary evaporation where its vacuum level, pumping speed and chemical compatibility meet the process requirements. Some applications also benefit from vacuum regulation and solvent recovery accessories.
It is designed for compatible chemical gases and vapours using chemically resistant wetted materials. Suitability must still be checked for the actual chemicals, concentrations, temperatures and operating conditions.
The published ultimate vacuum is 7 mbar absolute (5 Torr), or 12 mbar with gas ballast. Actual pressure during operation depends on the application and gas load.
The standard pump does not include an integrated electronic vacuum controller. Suitable manual or electronic control accessories can be selected separately. Cambridge also offers VACUUBRAND pump systems with additional control components.
Manufacturer part number 20732303 is the North American 120 V configuration with NRTL C/US certification. Confirm the supplied unit and any institution-specific electrical requirements before ordering.
VACUUBRAND describes the MZ 2C NT as designed for continuous pumping of compatible gases and vapours. Operating pressure, vapour load, exhaust arrangements and other process requirements must still be considered.
The pump does not require oil changes. Diaphragms and valves are wear components and may require replacement over time. VACUUBRAND offers a compatible service kit, part number 20696869.
Cambridge Environmental can help Canadian research laboratories, universities and industrial customers compare VACUUBRAND chemistry diaphragm pumps and select suitable vacuum equipment for their applications.
Tell us your required operating pressure, the chemicals or vapours being pumped and whether vacuum control or condensate recovery is needed. We can help review the appropriate pump and accessories before you order.
Contact Cambridge for Vacuum Pump Support