Great Wall R-1001VN Rotary Evaporator
| Brand | The Great Wall |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | R-1001VN |
| Capacity | 2 L |
| Ultimate Vacuum | < 399.9 Pa (≤ 3 mmHg) |
| Rotation Speed | 10–180 rpm |
| Bath Temperature Range | Ambient to 180 °C |
| Temperature Control Accuracy | ±1 °C (PID-controlled) |
| Condenser Surface Area | 0.11 m² (1200 cm²) |
| Sealing System | Patented PTFE-modified + FKM dual O-ring |
| Evaporation Rate (Water) | ~15 mL/min |
| Power Supply | 220–240 V~, 50/60 Hz |
| Dimensions (W×D×H) | 640 × 400 × 670 mm (extended height: 920 mm) |
| Net Weight | 9.5 kg |
Overview
The Great Wall R-1001VN Rotary Evaporator is an engineered solution for efficient, reproducible solvent removal and compound concentration under reduced pressure. Based on the fundamental principle of thin-film evaporation—where sample rotation generates a large surface area film on the inner wall of a heated rotating flask—this instrument enables rapid, low-temperature distillation while minimizing thermal degradation. Designed for routine purification, extract concentration, and solvent recovery in synthetic chemistry, natural product isolation, and quality control laboratories, the R-1001VN integrates robust mechanical architecture with precise thermal and rotational control. Its modular design supports seamless integration with external vacuum sources (e.g., diaphragm or circulating water vacuum pumps), chiller units, and temperature-controlled baths—ensuring adaptability across diverse workflow configurations.
Key Features
- High-performance dual-path vertical condenser with 0.11 m² effective cooling area (1200 cm²), optimized for high-efficiency vapor condensation and solvent recovery.
- PID-controlled heating bath with digital display, maintaining stable temperature regulation within ±1 °C across the full 20–180 °C range—critical for heat-sensitive compounds.
- Patented dual-material sealing system: modified polytetrafluoroethylene (PTFE) combined with fluorocarbon rubber (FKM) O-rings ensures long-term vacuum integrity and chemical resistance against common organic solvents, acids, and bases.
- Smooth manual elevation mechanism with balanced counterweight system; 100 mm motorized lift plus 150 mm manual extension enables precise positioning for flask coupling and cleaning.
- Digitally displayed rotation speed (10–180 rpm) and bath temperature provide real-time operational transparency and repeatability.
- Borosilicate glass 3.3 components—including rotary flask, condenser, and collection flask—guarantee superior thermal shock resistance, mechanical strength, and inertness per ISO 3585 standards.
- Integrated safety protections: over-temperature cutoff, current overload detection, and short-circuit interruption prevent equipment damage and support GLP-compliant operation.
Sample Compatibility & Compliance
The R-1001VN accommodates standard 2 L round-bottom flasks (500 mL and 1000 mL options available) and 1000 mL receiving flasks. Its borosilicate glass construction complies with ASTM E438 Type I, Class A specifications for laboratory glassware. Vacuum performance (< 399.9 Pa) meets requirements for low-boiling-point solvent removal (e.g., dichloromethane, ethyl acetate, hexane) and supports applications aligned with USP <1225> method validation criteria. While not certified for GMP manufacturing environments, its traceable temperature and speed controls, along with documented maintenance protocols, facilitate audit readiness in regulated QC labs operating under ISO/IEC 17025 or internal SOP frameworks.
Software & Data Management
The R-1001VN operates as a standalone analog-digital hybrid system without embedded software or network connectivity. All operational parameters—bath temperature, rotation speed, and manual lift position—are monitored via front-panel LED displays. For laboratories requiring electronic recordkeeping, optional third-party data loggers (e.g., Omega OM-DAQPRO-5300) may be interfaced via analog voltage outputs (0–10 V) for time-stamped parameter capture. No built-in audit trail or 21 CFR Part 11 compliance is provided; users implementing this unit in regulated workflows must establish external documentation procedures for calibration, usage logs, and preventive maintenance.
Applications
- Solvent removal from reaction mixtures post-synthesis in organic and medicinal chemistry labs.
- Concentration of natural extracts (e.g., plant alkaloids, essential oils) without thermal decomposition.
- Recovery and recycling of high-purity solvents in academic and industrial R&D settings.
- Preparative-scale fractionation prior to HPLC or GC analysis.
- Removal of residual solvents from polymer solutions and nanomaterial dispersions.
- Dehydration of thermolabile biomolecules when paired with chilled coolant circulation (−20 °C to +10 °C).
FAQ
What vacuum level is required for optimal performance?
The R-1001VN achieves stable operation below 399.9 Pa (3 mmHg); use of a two-stage diaphragm pump or circulating water aspirator is recommended for volatile solvents.
Is the heating bath compatible with silicone oil or other high-temperature media?
Yes—the bath accepts silicone oil, glycerol, or water-based fluids up to 180 °C; ensure fluid viscosity and flash point align with operational temperature settings.
Can the unit be integrated with automated vacuum controllers?
While no native digital interface exists, analog vacuum gauges with 0–10 V output can be connected externally for closed-loop pressure monitoring.
What maintenance intervals are recommended for long-term reliability?
Inspect O-rings quarterly; replace annually or after exposure to aggressive solvents. Calibrate temperature sensor and tachometer biannually using NIST-traceable references.
Does the R-1001VN meet CE or UL safety certification standards?
This model complies with GB/T 12805–2011 (Chinese national standard for rotary evaporators) and basic IEC 61010-1 electrical safety requirements; CE marking is not affixed.
