DW-ORE Series Oil Dual-Purpose Rotary Evaporator
The DW-ORE Series Oil Dual-Purpose Rotary Evaporator is designed for laboratory evaporation, concentration and reduced-pressure processing with flask capacities from 25 mL to 5 L. The series combines water/oil dual-purpose heating, 0–310 rpm rotation, automatic lifting, intermittent forward/reverse rotation and optional vacuum control for different evaporation and drying workflows.
- Maximum Flask Capacity: 2 / 2 / 3 / 5 L
- Maximum H₂O Evaporation Capacity: 25 / 25 / 27 / 43 mL/min
- Rotation Speed: 0–310 rpm
- Water Bath: RT–99°C ±0.5°C
- Oil Bath: RT–210°C ±2°C
- Automatic Lifting Stroke: 150 mm
Features of DW-ORE Series Oil Dual-Purpose Rotary Evaporator
- LCD color display, menu interface and knob switch operation
- Optional vacuum system to control the vacuum degree
- Heating pot: Teflon coating makes it easy to clean, resistant to corrosion, and resistant to high temperatures
- Rotating DC motor power :70W
- Unmanned mode safe operation function and automatic standby after the experiment
- The condensing pipe is designed with drip point and anti-backflow device
- Special bottle return knob design makes bottle return simple and convenient
- Intermittent timing positive and negative rotation can be set, which is suitable for drying process
- Touch type and handle double button electric lift make lift more safe
- The heating pot is designed with a safety handle and an insulated shell to prevent burns
- Sealing unit:Imported PTFE+ special process mold synthesis
- The water – oil pot has a moderate volume and heats up quickly. Temperature: Room temperature -210℃
Note: Type A comes standard with a ground-glass joint condenser (glass is less prone to damage); Type B standard joint condenser is available as an option.

Technical Parameter of DW-ORE Series Oil Dual-Purpose Rotary Evaporator
| Model | DW-ORE-2000A | DW-ORE-2000Apro | DW-ORE-3000A | DW-ORE-5000A | ||||
| Type | Standard | Vacuum control | Standard | Vacuum control | Standard | Vacuum control | Standard | Vacuum control |
| Rotating Speed | LCD color display 0~310rpm/min | LCD color screen display 0~310rpm/min (3L inner rotating bottle up to 310rpm/min) | ||||||
| Evaporation capacity | Max.25ml/min(H2O) | Max.25ml/min(H2O) | Max.27ml/min(H2O) | Max.43ml/min(H2O) | ||||
| Vacuum | The internal vacuum of the equipment can reach 2mbar | |||||||
| Vacuum control | / | Built-in vacuum controller (arbitrary control experiment required vacuum degree, setting range: (0~ -0.1Mpa) 0~1013mbar; Accuracy ±1). | / | Built-in vacuum controller (arbitrary control experiment required vacuum degree, setting range: (0~ -0.1Mpa) 0~1013mbar; Accuracy ±1). | / | Built-in vacuum controller (arbitrary control experiment required vacuum degree, setting range: (0~ -0.1Mpa) 0~1013mbar; Accuracy ±1). | Built-in vacuum controller (arbitrary control experiment required vacuum degree, setting range: (0~ -0.1Mpa) 0~1013mbar; Accuracy ±1). | |
| Temperature range | water and oil dual-purpose pot water bath: room temperature ~99℃±0.5℃;Oil bath: room temperature ~210℃±2℃. | |||||||
| Bath material | Disposable Teflon coating, easy to clean.Equipped with high temperature resistant Teflon protective cover. | |||||||
| Bath size | φ23×13cm | φ23×13cm | φ26*15cm | φ29*17cm | ||||
| Sample bottle | Both left and right can be installed and the intermittent rotation interval time can be adjusted from 0 to 60s. It can be used to dry the powder sample. | |||||||
| Rotating glass shaft | Use a 29#/42 grinding integrated glass shaft with a . The evaporation bottle holder is attached to the bottle returner to prevent loss. | / | / | |||||
| Lift stroke | Touch + handle type double automatic balancing lifting (lifting stroke 150mm) The descending end point has a fixed 60mm safety distance to prevent collision. | |||||||
| Temperature Control | Microcomputer PID controller, digital display. | |||||||
| Temperature setting | Knob encoder, rotary input setting, large LCD screen display, convenient and fast | |||||||
| Safety performance | Timing function (0~999min) : After the scheduled time, the device will automatically stop working and return to the standby state. When the equipment is abnormal and overtemperature warning, the main engine will be lifted automatically, and the instrument will lift the evaporation bottle automatically. | |||||||
| Heater | Fully enclosed heater | |||||||
| Power | 1.5KW | 1.5KW | 1.5KW | 1.8KW | ||||
| Scope | 25~2000mL | 25~2000mL | 25~3000mL | 25~5000mL | ||||
| Sealing unit | Imported PTFE and special synthetic materials are processed and synthesized by special process technology to enhance sealing, corrosion resistance and wear resistance. | |||||||
| Condensing pipe | Vertical, three-layer ball grinding mouth snake condensing pipe,condensing area of 0.18m², with dripping point and anti-backflow design. | Vertical, three-layer ball grinding mouth snake condensing pipe,condensing area of 0.18m², with dripping point and anti-backflow design. (can be replaced by split four-way bottle condensing tube) | Vertical, three-layer ball grinding mouth snake condensing pipe,condensing area of 0.21m², with dripping point and anti-backflow design. | Vertical, three-layer ball grinding mouth snake condensing pipe,condensing area of 0.31m², with dripping point and anti-backflow design. | ||||
| Ambient temperature | 5~40℃ | |||||||
| Voltage | AC220V/50HZ | |||||||
| Instrument size | 660*420*830mm | 660*420*830mm | 700*430*860mm | 740*440*960mm | ||||
| Package size | 710*645*510mm | 710*645*510mm | 710*645*790mm | 780*690*850mm | ||||
| Gross weight | 30kg | 30kg | 35kg | 42kg | ||||
| Picture | ![]() | ![]() | ![]() | ![]() | ||||
Applications of Oil Dual-Purpose Rotary Evaporator

High-Temperature Oil-Bath Processing
The oil-bath configuration supports compatible samples requiring heating temperatures above the normal water-bath range.

Powder Drying
Intermittent forward and reverse rotation supports compatible powder and solid samples during reduced-pressure drying workflows.

Chemical & Pharmaceutical Research
Used for larger-volume evaporation and concentration of reaction solutions, solvent extracts and pharmaceutical intermediates during laboratory synthesis and purification.

Natural Product Extraction
Suitable for concentrating plant extracts, herbal solutions and botanical fractions after solvent extraction.

Food & Flavor Research
Used for evaporation and concentration of food extracts, flavor solutions, plant oils and agricultural samples.
Oil Dual-Purpose Rotary Evaporator Pictures
Which DW-ORE Model Should I Choose?
DW-ORE-2000A:For routine workflows requiring up to 2 L flask capacity.
DW-ORE-2000Apro:For 2 L processing with the alternative condenser configuration noted in the brochure.
DW-ORE-3000A:For customers needing up to 3 L capacity and slightly higher evaporation performance.
DW-ORE-5000A:For larger up to 5 L workflows requiring 43 mL/min H₂O evaporation capacity and a larger 0.31 m² condenser.
































