VACUUBRAND PC 3016 NT VARIO Variable-Speed Chemical Vacuum System
| Brand | VACUUBRAND® |
|---|---|
| Origin | Germany |
| Model | PC 3016 NT VARIO |
| Pump Type | Oil-Free Diaphragm Vacuum Pump |
| Number of Pump Heads | 8 |
| Maximum Flow Rate | 19.3 m³/h (11.4 cfm) |
| Ultimate Vacuum (Absolute) | 70 mbar (53 torr) |
| Ultimate Vacuum with Gas Ballast | 100 mbar (75 torr) |
| Motor Speed Range | 30–2400 rpm |
| Rated Motor Power | 0.53 kW |
| Noise Level | 47 dBA (at 50 Hz) |
| Dimensions (L×W×H) | 616 × 387 × 420 mm |
| Weight | 29.7 kg |
| Inlet Port | KF DN 25 flange / DN 15 mm hose nipple |
| Outlet Port | DN 10 mm hose nipple |
| Cooling Water Connections | 2 × DN 6–8 mm |
| Ambient Operating Temperature | 10–40 °C |
| IP Rating | IP 40 |
| ATEX Certification | II 3G IIC T3 X (230 V only) |
Overview
The VACUUBRAND PC 3016 NT VARIO is an engineered oil-free diaphragm vacuum system designed for precision-controlled, high-throughput solvent removal in analytical, preparative, and process-scale laboratory applications. Based on proven Couette-flow–optimized multi-stage diaphragm technology, the system delivers stable, pulse-free vacuum across a wide operational range—from rough vacuum (100 mbar) down to 70 mbar absolute—without oil contamination or hydrocarbon backstreaming. Its eight-head NT-series architecture ensures mechanical robustness, thermal stability, and long-term reproducibility under continuous duty cycles typical of rotary evaporation, freeze drying, vacuum filtration, and distillation workflows. Unlike fixed-speed alternatives, the VARIO drive enables real-time vacuum regulation via closed-loop motor speed modulation, eliminating pressure overshoot and hysteresis during dynamic load changes—critical for sensitive crystallization, concentration, or reactive chemistry protocols.
Key Features
- Variable-speed motor control (30–2400 rpm) enabling true proportional vacuum regulation without solenoid valves or throttling orifices
- Integrated CVC 3000 vacuum controller with intuitive text-based menu, built-in vent valve, and programmable setpoint ramping
- Dual-stage condensation management: inlet AK separator bottle prevents liquid carryover and particulate ingress; exhaust EK cold trap achieves >95% solvent recovery efficiency for acetone, ethyl acetate, methanol, and other low-boiling organics
- Eight-diaphragm head configuration delivering 19.3 m³/h free-air displacement at low noise emission (47 dBA), optimized for shared lab environments
- Corrosion-resistant PTFE-coated pump chambers and FKM elastomers compatible with aggressive vapors including HCl, HNO₃, and halogenated solvents
- IP 40-rated enclosure with dual cooling-water inlets (DN 6–8 mm) for sustained operation up to 40 °C ambient temperature
- ATEX-certified variant (II 3G IIC T3 X) available for use in Zone 2 hazardous atmospheres when operated at 230 V
Sample Compatibility & Compliance
The PC 3016 NT VARIO is validated for use with aqueous, organic, and mildly corrosive vapor streams encountered in ISO/IEC 17025-accredited QC laboratories and GLP-compliant R&D settings. Its oil-free operation eliminates risk of sample cross-contamination—a requirement under USP , FDA 21 CFR Part 11, and EU GMP Annex 15 for sterile processing support systems. The CVC 3000 controller logs timestamped vacuum profiles and setpoint deviations, supporting audit-ready data integrity when paired with optional Ethernet or RS-485 interfaces. All wetted materials comply with FDA 21 CFR 177.2600 (food-contact polymers) and EU Regulation (EC) No. 1935/2004. CE marking confirms conformity with Machinery Directive 2006/42/EC and Electromagnetic Compatibility Directive 2014/30/EU.
Software & Data Management
While the CVC 3000 operates as a standalone controller with local LCD interface, it supports external integration via analog 0–10 V input/output and digital Modbus RTU (RS-485). Lab automation platforms—including LabVIEW, MATLAB, and DeltaV—can read real-time vacuum values, motor speed, and fault status. Audit trails are maintained internally for ≥10,000 events with time/date stamping, meeting ALCOA+ principles for electronic records. Optional firmware upgrades enable password-protected user roles, electronic signature capture, and CSV export of vacuum trend logs—fully aligned with 21 CFR Part 11 Subpart B requirements for electronic signatures and record retention.
Applications
- Automated rotary evaporation of heat-sensitive APIs and natural product extracts under controlled vacuum gradients
- High-yield solvent recovery in kilo-lab synthesis where VOC emissions must meet ISO 14001 environmental management criteria
- Vacuum-assisted crystallization of chiral intermediates requiring sub-mbar stability over 72-hour runs
- Parallel sample preparation for LC-MS analysis, where consistent degassing across 96-well plates demands zero-pressure fluctuation
- Support of lyophilization cycle development, particularly primary drying phases requiring precise vapor pressure control
- In-line vacuum monitoring during glovebox purging or inert-atmosphere reactor venting
FAQ
Does the PC 3016 NT VARIO require routine oil changes or lubrication?
No. As a fully oil-free diaphragm system, it contains no rotary vane oil or greased bearings—eliminating scheduled oil maintenance, disposal costs, and associated downtime.
Can the EK cold trap be used with water-cooled condensers?
Yes. The EK unit accepts standard chilled water (5–15 °C) via its dual DN 6–8 mm ports; glycol-water mixtures are also compatible for sub-zero trapping of low-volatility solvents.
Is the CVC 3000 controller compatible with LIMS or ELN systems?
Yes—via Modbus RTU or analog 0–10 V signals. Integration kits and driver libraries are available for Thermo Fisher SampleManager, LabWare LIMS, and Benchling ELN.
What is the expected diaphragm lifetime under continuous operation?
Under typical lab conditions (20 °C, 50% duty cycle), VACUUBRAND specifies ≥15,000 operating hours before replacement—validated per DIN EN 60068-2-64 vibration endurance testing.
Does the system meet ISO 8573-1 Class 0 air purity requirements?
Yes. As an oil-free vacuum source, it satisfies ISO 8573-1:2010 Class 0 for total oil content (<0.01 mg/m³), making it suitable for cleanroom-compatible vacuum manifolds and semiconductor-grade drying processes.

