Vacuubrand MV 10C NT VARIO Variable-Speed Chemical Diaphragm Vacuum Pump
| Brand | VACUUBRAND® |
|---|---|
| Origin | Germany |
| Model | MV 10C NT VARIO |
| Ultimate Vacuum (abs.) | 0.6 mbar / 0.45 torr |
| Max. Pumping Speed | 11.6 m³/h (6.8 cfm) |
| Motor Speed Range | 30–2400 rpm |
| Inlet Port | KF DN 25 |
| Outlet Port | DN 15 mm hose nozzle |
| Rated Motor Power | 0.53 kW |
| Noise Level (50 Hz) | 47 dBA |
| IP Rating | IP 40 |
| Dimensions (L×W×H) | 533 × 260 × 420 mm |
| Weight | 28.1 kg |
| ATEX Certified (230 V only) | II 3G IIC T3 X, Internal Atmosphere Only |
Overview
The Vacuubrand MV 10C NT VARIO is an advanced, variable-speed chemical diaphragm vacuum pump engineered for precision-controlled high-vacuum applications in demanding laboratory environments. Utilizing a robust multi-stage diaphragm architecture (8 diaphragms across 4 pumping stages), it achieves an ultimate absolute pressure of 0.6 mbar (0.45 torr) without gas ballast and maintains stable operation down to sub-ambient temperatures—enabling efficient removal of high-boiling-point solvents during rotary evaporation, freeze-drying, and solvent recovery workflows. Unlike fixed-speed alternatives, its integrated frequency-controlled motor enables continuous, stepless regulation of rotational speed (30–2400 rpm), delivering true dynamic vacuum control without mechanical throttling or pressure fluctuations. This eliminates process lag and ensures reproducible vacuum profiles critical for GLP-compliant evaporation protocols and temperature-sensitive sample handling.
Key Features
- Variable-speed motor drive with real-time vacuum feedback integration for zero-lag, closed-loop pressure control
- Chemically resistant construction: PTFE-coated diaphragms, FEP-sealed valves, and stainless-steel wetted parts compatible with aggressive solvents (e.g., chlorinated hydrocarbons, strong acids, and bases)
- Integrated CVC 3000 vacuum controller with intuitive text-based menu navigation, built-in vent valve, and automatic process sequencing—no manual parameter entry required
- Extended diaphragm service life (>15,000 operating hours under typical lab conditions) due to optimized stroke dynamics and low-mechanical-stress operation
- Low-noise design (47 dBA at 50 Hz) and compact footprint (533 × 260 × 420 mm) suitable for benchtop integration in shared analytical labs
- ATEX-certified version available for use in potentially explosive atmospheres (II 3G IIC T3 X, internal atmosphere only; 230 V model)
Sample Compatibility & Compliance
The MV 10C NT VARIO meets stringent requirements for chemical compatibility across ISO 8573-1 Class 0 (oil-free air/vacuum) and complies with EU Machinery Directive 2006/42/EC and Electromagnetic Compatibility Directive 2014/30/EU. Its chemically inert flow path supports direct connection to rotary evaporators, lyophilizers, and vacuum ovens handling pharmaceutical intermediates, organic synthesis residues, and regulated biopharmaceutical samples. Optional inlet separator (AK, KF DN 25) and exhaust condenser (EK, NT-series) enable >95% solvent recovery efficiency—supporting compliance with EPA Method 25A, ISO 14001 environmental management systems, and internal EHS policies governing VOC emissions. The system operates within ambient temperature ranges of 10–40 °C and conforms to IEC 61000-6-3 emission limits for laboratory-grade equipment.
Software & Data Management
While the MV 10C NT VARIO operates autonomously via its embedded CVC 3000 controller, it supports analog (0–10 V) and digital (RS-485 Modbus RTU) interfaces for integration into centralized lab automation platforms. Vacuum setpoints, motor speed profiles, and runtime logs can be exported via USB or serial connection for audit-ready documentation. The controller maintains timestamped event history—including overtemperature alerts, vent activation, and speed deviations—facilitating 21 CFR Part 11-compliant data integrity when paired with validated third-party LIMS or ELN systems. No proprietary software installation is required; configuration remains accessible through front-panel navigation or external SCADA-level supervision.
Applications
- High-efficiency solvent removal in rotary evaporation of thermolabile compounds (e.g., cannabinoids, peptides, natural product extracts)
- Vacuum-assisted crystallization and fractional distillation under controlled pressure gradients
- Lyophilization cycle support requiring stable deep-vacuum hold phases below 1 mbar
- Gas-phase purification and degassing of polymer precursors and catalyst slurries
- Environmental testing chambers requiring repeatable vacuum ramp rates and dwell stability
- QC/QA laboratories performing ASTM D2879 (vacuum distillation) or USP <721> (vacuum drying)
FAQ
Does the MV 10C NT VARIO require oil or lubricants for operation?
No—it is a fully oil-free diaphragm pump; all moving parts are sealed and chemically isolated from the vacuum path.
Can the pump be used with corrosive gases such as HCl or Cl₂?
Yes, when equipped with optional PTFE/FEP-wetted components and operated within specified concentration and temperature limits per VACUUBRAND’s chemical resistance guide.
Is the CVC 3000 controller programmable for multi-step vacuum protocols?
Yes—the controller supports up to 5 user-defined vacuum ramps and holds, with configurable slope rates and dwell durations.
What maintenance intervals are recommended for routine operation?
Diaphragm inspection every 6,000 hours; full service kit replacement (valves, seals, diaphragms) recommended at 15,000 hours or annually—whichever occurs first.
How does the pump handle liquid carryover from the inlet?
When fitted with the optional AK inlet separator (KF DN 25), it captures aerosols and entrained droplets with >99.5% efficiency, protecting internal components from contamination.
