Buchi R-205 Rotavapor with Buchi B-490 Heating Bath (Refurbished)

The BÜCHI Rotavapor R-205 with Heating Bath B-490 is a high-performance rotary evaporator system designed for precise and efficient distillation, concentration, and solvent recovery in laboratory environments. This system is widely used in pharmaceutical, chemical, environmental, and research applications, offering vacuum-assisted distillation for enhanced evaporation efficiency while maintaining sample integrity.

The R-205 model features an integrated digital display for real-time monitoring of rotation speed and vapor temperature, ensuring precise control over the evaporation process. The included B-490 heating bath provides stable and uniform heating, supporting temperatures up to 180°C with water or heat transfer oils. Combined, the R-205 and B-490 create a powerful and user-friendly system for high-throughput solvent removal and purification processes.

Technical Specifications

General Features

• Model: BÜCHI Rotavapor R-205 with B-490 Heating Bath
• Glass Assemblies: Compatible with A, V, C, S, E, and CR configurations
• Maximum Flask Size: 3 L (max. 3 kg)
• Rotation Speed Range: 20 – 280 rpm
• Evaporation Method: Vacuum-assisted rotary evaporation
• Applications: Solvent distillation, sample concentration, recrystallization, Soxhlet extractions

Heating Bath (B-490)

• Temperature Range: 20°C – 180°C
• Temperature Display: Set/Actual value
• Temperature Accuracy:
  • ±1°C (20 – 100°C)
  • ±2°C (100 – 180°C)
• Bath Capacity: 4 L
• Over-Temperature Protection: 250°C safety cut-off
• Compatible Heating Medium:
  • Water (20°C – 85°C)
  • Heat transfer oil (up to 250°C)

Display & Control

• Digital Display: Real-time monitoring of rotation speed and vapor temperature
• Vapor Temperature Sensor: Available for glass assemblies V, S, and E
• Quick-Action Jack: Motorized lift for easy flask handling
• Rotation Speed Adjustment: Precise knob control
• Vacuum Integration: Compatible with BÜCHI Vacuum Controllers (V-800 & V-805)

Vacuum & Solvent Handling

• Maximum Vacuum Pressure: 2 bar absolute (pulsation-free)
• Cooling System: Condenser options for different solvent types
• Receiving Flask Options: Various capacities available with PLASTIC+GLAS coating for safety
• Glassware Material: High-quality borosilicate glass
• Safety Features:
  • PLASTIC+GLAS coated glassware for enhanced break resistance
  • Vacuum-tight sealing system for minimal solvent loss

Physical & Environmental Specifications

• Dimensions (W × H × D):
  • R-205: 544 × 697 × 367 mm
  • B-490: 280 × 191 × 250 mm
• Weight:
  • R-205: 16 – 18 kg (varies with glass assembly)
  • B-490:: 3.3 kg
• Power Supply: 100, 120, 230 V~, ±10%
• Power Consumption:
  • R-205 Unit: 120 W
  • B-490: 1400 W
• Frequency: 50/60 Hz
• Operating Temperature: 10°C – 35°C
• Humidity Tolerance: Up to 80% RH (non-condensing)
• Maximum Altitude: 2000 m above sea level
• Contamination Level: Category 2 (laboratory use only)

Connectivity & Accessories

• Vacuum Controller Compatibility: BÜCHI V-800 / V-805
• Optional Accessories:
  • Soxhlet Extraction Unit for enhanced solvent recovery
  • Reitmeyer Trap for foaming solutions
  • Protective Shield for added safety
  • Floating Balls for reduced bath evaporation and energy savings
• Safety Elements:
  • Automatic Overheat Protection
  • Secure Flask Fixation with Combi-Clip
  • Explosion-Proof Glass Seals
  • Integrated Leak Detection System