Rotary Evaporator
Rotary evaporators are essential laboratory equipment designed to efficiently and gently remove solvents from samples through evaporation. They operate under reduced pressure, which lowers the boiling point of the solvents, allowing for quicker and gentler evaporation that preserves the integrity of heat-sensitive compounds. These devices are widely used across chemical, pharmaceutical, and biochemical laboratories for sample concentration, solvent recycling, and purification processes.
The practical applications of rotary evaporators extend to research and industrial laboratories dealing with extraction, distillation, and concentration tasks. Their versatility is complemented by features such as variable rotation speeds, temperature control of the heating bath, and vacuum pumps to ensure effective solvent removal. Investing in a rotary evaporator streamlines workflows by saving time and optimizing solvent recovery, making it an indispensable tool in modern laboratory environments.

Types of Rotary Evaporators That Your Laboratory May Need

Vacuum Pump
Vacuum pumps are critical components in rotary evaporator setups, responsible for lowering the pressure inside the evaporation system to facilitate solvent removal at reduced temperatures. This function not only accelerates evaporation but also protects temperature-sensitive compounds from degradation. Vacuum pumps vary in design, including diaphragm, rotary vane, and turbomolecular, each providing different vacuum levels suitable for diverse laboratory needs.
Selecting the right vacuum pump ensures optimal performance of your rotary evaporator by maintaining consistent vacuum levels, improving efficiency, and safeguarding equipment longevity. In addition, modern vacuum pumps offer features like oil-free operation and quiet running, enhancing user experience and reducing maintenance requirements in laboratory environments.
What You Should Know Before Selecting a Rotary Evaporator and Making an Investment
Key Factors to Consider
When considering a rotary evaporator, key factors include evaporation capacity, heating bath temperature range, rotation speed, and the type of vacuum pump compatible with your system. Additionally, material quality, ease of use, and safety features such as over-temperature protection should not be overlooked to ensure reliable and efficient operation.
Another critical aspect is the adaptability of the rotary evaporator to your laboratory’s requirements, such as solvent volume, solvent types, and integration with other lab equipment. It is also important to evaluate the availability of spare parts and after-sales support to maintain uninterrupted laboratory workflow.

Price Range in the Market
The price range for rotary evaporators can vary significantly depending on their capacity, technical features, and brand reputation. Entry-level models suitable for small-scale laboratories typically start at a lower price point, while advanced units with digital controls, large capacity, and superior vacuum systems command a higher market value.
Additional costs may include accessories such as vacuum pumps, condensers, and heating baths that impact the overall investment. It is advisable to balance budget with required specifications, ensuring that the selected rotary evaporator meets your laboratory’s performance needs without unnecessary overspending.

Cost-Effectiveness
The cost-effectiveness of a rotary evaporator depends on its durability, performance consistency, and energy efficiency. Investing in high-quality equipment might have a higher upfront cost but can lead to long-term savings through reduced downtime, lower maintenance, and better solvent recovery rates.
Weighing price against quality also involves considering manufacturer warranties, available technical support, and user-friendly features that reduce operating errors and training time, further enhancing the overall value proposition of the rotary evaporator for your laboratory.

Expected Lifespan Based on Usage and Maintenance
The expected lifespan of a rotary evaporator is influenced by frequency of use, maintenance routines, and operational environment. With proper care, including regular cleaning, timely replacement of worn parts, and appropriate storage, these devices can reliably serve laboratories for many years.
Conversely, poor maintenance or use outside of designed parameters can shorten the life of the equipment, leading to higher repair costs and potential data inconsistency. Implementing planned maintenance schedules and operator training is key to maximizing the equipment’s longevity and ensuring consistent performance.

KALSTEIN ROTARY EVAPORATORS
Among so many products, at Kalstein you can find the ideal rotary evaporator for your laboratory
If you don’t know which rotary evaporator to buy, we help you identify the right model by considering your lab’s specific solvent evaporation needs, capacity requirements, and budget to ensure the best performance and value.

Rotary Evaporator YR02306
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Our rotary evaporator most sold
The Rotary Evaporator YR02306 is an indispensable tool for laboratories focusing on the evaporation, distillation, and separation of chemicals. This sophisticated equipment is typically part of a larger system, including a water circulating vacuum pump and a recirculating chiller, to fulfill diverse experimental and production needs. Equipped with cutting-edge technology, it ensures precise temperature control through a PID controller and offers adjustable tilt angles for the evaporating flask, ensuring versatility and efficiency in various applications.
The rotary evaporator market is competitive, with prices ranging based on features and brand reputation. Typically, advanced models like the YR02306 can be found in a price range between 3,300 USD and 4,100 USD. It is advisable to request a quote to explore pricing options tailored to your specific requirements and receive potential discounts.
| Model | YR02306 | |
| Rotaion Speed | 10~280 rpm | |
| Pressure rise rate of vacuum system | <=0.33kPa/min | |
| Temperature Range | RT+5~95℃ | |
| Temperature Stability | ±1℃ | |
| Temperature Control | Keypad input, digital display | |
| Speed Control | Knob setting, digital display | |
| Lifting | Motorized lift | |
| Lifting Distance | 150mm | |
| Lifting Speed | 10mm/s | |
| Rotary Motor Power | 40W | |
| Heating Power | 1300W | |
| Condensing Area | 0.126m2 | |
| Evaporating Flask | 500ml, 1000ml | |
| Receiving Flask | 1000ml | |
| Vacuum Sealing | Double sealing rings made of Teflon+ Viton materials | |
| Water Bath size ·Capacity | 250×130mm·6.5L | |
| Evaporating Speed | Water | 23ml/min |
| Ethanol | 26ml/min | |
| Power Supply | Main Machine | 100V~240V, 50/60Hz |
| Water Bath | 110V~, 60Hz or 220-240V~, 50/60Hz | |
| Ambient temperature | 5~35℃ | |
| Environment Relative Humidity | <=70 | |
| Protection Class of Shell | IP20 | |
| Pollution Prevention Grade | Grade 2 | |
| Dimensions | 595W*390D*680Hmm | |
| Net Weight | Main Machine | 10KG |
| Water Bath | 3.9KG | |
| The Rotary Evaporator model YR02306 does not include vacuum pump or recirculator, these can be included as required, the models would be YR02301 (Recirculator) + YR05158 (Vacuum Pump), for the complete set. | ||

Essential factors impact rotary evaporator purchase decisions significantly.

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Kalstein offers innovative, reliable rotary evaporators for laboratory needs.
Explore our comprehensive guides and expert advice on selecting and using rotary evaporators efficiently.
We provide detailed guidance on rotary evaporator features, maintenance tips, and safety protocols to help you operate like a true expert in your laboratory environment.
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FAQs
The delivery time for your Kalstein product will depend on the following:
- Whether the equipment of your interest is in stock or needs to be manufactured.
- The type of freight chosen, which can be either air or sea.
- Equipment in stock:
– Delivery Time (Air): 15-30 days.
– Delivery Time (Sea): 45-60 days.
- Equipment not in stock:
– Delivery Time (Air): 30-60 days.
– Delivery Time (Sea): 60-90 days.
You can make your purchase through:
- Email: [email protected]
- Phone: +33 (0) 1 70 39 26 50
- E-commerce: Via Kalstein’s official website in your country.
At Kalstein, we provide our clients with inductions and technical support through new online methods. You can visit our induction videos, technical assistance, and guidance provided by Kalstein’s team via our YouTube channel (Kalstein English). HERE.