Products Bio-Chem Equipment vacuum pump & cold trap chiller Benchtop Water Circulating Vacuum Pump
Benchtop Water Circulating Vacuum Pump

vacuum pump & cold trap chiller

Benchtop Water Circulating Vacuum Pump

Item Number : KV-2

Price varies based on specs and customizations


Vacuum port
2-4
Single port flowrate
10 L/Min
Vacuum pressure
0.098 Mpa
Pump Flowrate
60 L/Min
Pump heading
8 M
ISO & CE icon

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Applications

Water Circulating Vacuum Pump takes circulating water as working fluid to create negative pressure by fluid jet.

It can provide negative pressure condition for the processes of evaporation, distillation, crystallization, drying, sublimation, pressure-reducing filtration and so on, particularly be suitable for labs and small scale test of industries such as universities and colleges, scientific research institutes, chemical industry, pharmacy, biochemistry, foodstuff,  pesticide, agricultural engineering, biological engineering.

Detail & Parts

High head, large flow; head up to 10m; flow up to 80L/min; double taps, double display.
Stable operation, low noise; special fluid muffler, reduce noise.

Benchtop Water Circulating Vacuum Pump Details

Analytical diagram of vacuum principle

left:1.motor;2.Motor Rubber Pad;3.Motor water blocking ring;4.pump shaft sleeve;5.washer;6.Impeller (six channels and double seals);7.Viton oil seal;8.Graphite bearing sleeve;9.oil seal;10.Pump casing seal;

right:1. Circulating nozzle;2. Ejector (vacuum bottle);3. Check valve;4. Vacuum gauge;5. Air intake;6. Air extraction nozzle;7. Fluid muffler;8. Jet flow;9. Air intake;10. Jet flow;11. Air intake;

Detailed material
Ejector check valve Connecting pipe three links pump body impeller Air extraction nozzle
PP Copper+PP NR PP PP PA PP

Advantages

  • Spray Paint Teflon ( PTFE ) plus FV Rubber on the ejector and suction nozzle. Hose is made of fluorine rubber
  • Better corrosion resistance and more reliability and longer service life
  • Oil-free, corrosion resistant, reliable
  • No oil changes, no cold trap required for water/ alcohol solutions
  • Easy to maintain in laboratory environment
  • Designed to work with rotary evaporators, vacuum filtration, etc
  • High-quality anti-corrosion shell; newly-developed 5 taps can work separately or together with a 5-way pipe (optional) to
  • Increase the extraction capacity and match working with large rotary evaporators and reactors
  • Cooper jet and PP triple-valve, check valve, and suction mouth
  • More extraction capacity compared with desktop vacuum pump
  • Flexible moving around with steering wheels
  • Eligible for extracting corrosive gas

Technical specifications

Model SHZ-A SHZ-B
Vacuum port 2 4
Single port flowrate 10L/Min
Vacuum pressure 0.098Mpa
Pump Flowrate 60L/Min
Pump heading 8M
Pump head material SS304/PTFE
Reservor volume 13L 15L
Motor power 180W 370W
Dimensions 400*280*240mm
Weight 15Kg 17Kg

Compliance

  • CE Certified
  • NRTL (UL61010) or CSA certification is available upon request at extra cost. 

Quality Control

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

Designed for You

KinTek provide deep custom made service and equipment to worldwide customers, our specialized teamwork and rich experienced engineers are capable to undertake the custom tailoring hardware and software equipment requirements, and help our customer to build up the exclusive and personalized equipment and solution!

Would you please drop your ideas to us, our engineers are ready for you now!

FAQ

What is laboratory vacuum pump?

A laboratory vacuum pump is a tool used to create a low-pressure environment inside a closed system, allowing various scientific processes such as vacuum filtration, aspiration, and solvent evaporation. They work by removing gas molecules from a sealed volume, creating a partial or complete vacuum. There are different types of vacuum pumps used in laboratory applications, including rotary vane, diaphragm, and scroll vacuum pumps.

What is the purpose of vacuum pump in laboratory?

The purpose of a laboratory vacuum pump is to aid in a wide variety of research applications. It is mainly used to provide suction for filtration or aspiration of liquid samples and regulate solvent evaporation by reducing vapor pressure. It can also improve instrument-detection sensitivity, collect gas samples, and provide a negative pressure environment to prevent potentially hazardous sample materials from escaping. Vacuum pumps are designed to move air or vapors, not liquids or suspensions. They are an adaptable tool that can be useful to many research scientists and engineers.

What is the purpose of a rotary evaporator?

The purpose of a rotary evaporator, or rotovap, is to distill a solvent to separate a given mixture into its components based on their respective volatilities, through the process of evaporation and condensation. The rotovap is used to concentrate non-volatile components in a mixture and to extract volatile aroma and flavor molecules from mixtures gently and at low temperatures. The two key components of the rotovap allow for a gentle, precise, and efficient distillation not found in conventional distilling apparatuses: vacuum removal of solvent to lower boiling point and rotary flask rotation to increase surface area and speed up distillation.

What is the short path distillation?

Short path distillation is a purification technique that separates compounds based on their volatilities in a boiling liquid mixture under reduced pressure. It involves the distillate traveling a short distance, often only a few centimeters, and is done at reduced pressure. Short path distillation is ideal for laboratory applications where minimal instrumentation footprint is crucial. The boiling temperature is reduced by lowering the operating pressure, making it a continuous process with very short residence time. It is often used for unstable compounds or to purify small amounts of compounds, achieving distillate purity levels of up to 99%.

What is a cooling circulator?

A cooling circulator is a laboratory cooling system that provides consistent and precise temperature control for experiments that require cooling. It features a liquid reservoir, a cooling system, and a temperature control mechanism. These circulators can be used to cool or chill samples, and supply temperature-controlled water to external equipment. They are commonly used in life science research, drug discovery, material testing, wafer production, and wet chemistry. The temperature range of cooling circulators can be as wide as -95°C to 200°C

What is the use of pump in laboratory?

Pumps are commonly used in laboratories to provide suction for the filtration or aspiration of samples, and to reduce vapor pressure in instruments such as rotary evaporators and lab ovens. Liquid pumps, including syringe, peristaltic, and metering pumps, are used to dispense and transfer fluids. When choosing a laboratory pump, it is important to determine the type of pump that best fits the research needs, such as the required level of vacuum for evaporative applications or freeze drying. Overall, laboratory pumps are adaptable tools that aid a wide range of research scientists and engineers in various applications.

Why rotary evaporator is used in solvent extraction?

Rotary evaporators are used in solvent extraction because they allow for the efficient and gentle removal of solvents from samples by evaporation. This is achieved by reducing the pressure to lower the solvent boiling point, rotating the sample to increase the effective surface area, heating the solution, and then condensing the evaporated solvent in a cooled glass condenser. This process leaves the concentrated compound in the flask and is often used in medicinal chemistry, pharmaceutical, chromatography, and petrochemical fields.

Is short path distillation the same as distillation?

Short path distillation is a type of distillation technique used to separate and purify small amounts of compounds that are not stable at high temperatures. It involves the distillate traveling a short distance, often only a few centimeters, at reduced pressure. While short path distillation is a specific type of distillation, it is not the same as traditional distillation, which typically involves heating a mixture to its boiling point and condensing the vapors. Short path distillation allows for a lower heating temperature and a shorter distillation distance, resulting in less loss of compound and more efficient purification.

What is a circulating water bath?

A circulating water bath is a laboratory equipment that maintains a constant temperature by circulating water. This equipment is designed to enable the rapid heating and cooling of samples by constantly circulating water. It is commonly used in life science research, drug discovery, material testing, wafer production, and wet chemistry. Circulating baths offer efficient temperature maintenance over a wide range of temperatures, ranging from -90 to 300°C, and heat load removal of up to 1000 watts. They are ideal for holding samples such as flasks and beakers, and can also be used to circulate fluid to external equipment in open- or closed-loop applications.

What is used in a laboratory to form and contain a vacuum?

A laboratory vacuum pump is used to form and contain a vacuum by removing air or gas molecules from a sealed chamber or system. The vacuum pump creates negative pressure, which can be used for a variety of applications such as filtration, aspiration of liquid or suspended samples, and solvent evaporation. Different types of pumps, including rotary vane, diaphragm, and turbomolecular pumps, are available, and the choice depends on the required vacuum level and the specific application. It's important to choose the right vacuum pump for the intended use to ensure optimal performance and reliability.

Can rotary evaporator remove water?

Yes, a rotary evaporator can remove water. By changing the temperature to speed up the evaporation rate or by vacuuming with a vacuum pump to further reduce the pressure and lower the boiling point, a rotary evaporator can evaporate solutions that contain water and other substances. The electronic control of the rotary evaporator keeps the rotation of the flask at a constant speed, creating a larger surface area for heating and faster evaporation speeds. The traditional distillation method is less efficient and accurate than a rotary evaporator, which is widely used in chemical laboratories, industrial, bio-pharmaceutical, and food-making fields.

What are examples of short path distillation?

Some examples of short path distillation include processing edible oils, creating fragrances, producing fuels, distilling polyurethane, distilling compounds that are unstable at high temperatures, and distilling small quantities of a compound.

How does a cooling circulator work?

Cooling circulators work by utilizing a refrigeration system to cool the circulating coolant. The coolant is pumped from the reservoir through a cooling coil or heat exchanger, where it absorbs heat from the system being cooled. The heated coolant then flows back to the refrigeration system, which removes the heat and lowers its temperature. The cooled coolant is then circulated back into the system to maintain the desired temperature. The temperature is regulated and controlled by a temperature controller that monitors and adjusts the refrigeration system and pump speed accordingly.

How does a laboratory vacuum pump work?

A laboratory vacuum pump works by removing gas molecules from a sealed volume, creating a partial or complete vacuum. The pump creates a difference in pressure between the system and the outside atmosphere, causing gas molecules to move toward the pump and away from the system. As molecules are removed from the vacuum space, it becomes harder to remove additional ones, thus increasing the vacuum power required. Different types of vacuum pumps are used depending on the application, including rotary vane, diaphragm, and scroll vacuum pumps. Vacuum pumps are classified by the pressure range they can achieve to distinguish their capabilities.

Is rotary evaporator used for distillation?

Yes, rotary evaporator is used for distillation. It is a device used in chemical laboratories to efficiently and gently remove solvents from samples by evaporation. The system works by reducing the pressure to lower the solvent boiling point, rotating the sample to increase the effective surface area, heating the solution, and then the evaporated solvent condenses in a cooled glass condenser. Rotary evaporation is most often and conveniently applied to separate "low boiling" solvents such as n-hexane or ethyl acetate from compounds which are solid at room temperature and pressure.

What temperature is short path distillation?

The Short Path Vacuum Distillation operates at a temperature far below the boiling point of the material being distilled, allowing for the purification of heat-sensitive materials at much lower temperatures. The ultimate pressures of 0.001 mbar can be achieved, which prevents degradation and allows for very high equivalent temperatures to be achieved at ambient pressure. The high vacuum distillation technique enables the separation of heat-sensitive or high molecular weight compounds not possible by conventional techniques.

What are the advantages of short path distillation?

Short path distillation has several advantages over other distillation processes. It offers a continuous feed functionality, faster completion time, and is ideal for compounds that are unstable at high temperatures. It is also automated and easy to use, produces high concentrations of distillates, and reduces product waste. These benefits make short path distillation a highly advantageous option for a variety of uses and applications, especially in industries with time-sensitive materials and production cycles.

How long does short path distillation take?

The length of time it takes to complete short path distillation depends on various factors, such as the type and quantity of the compound being distilled, the equipment used, and the skill of the operator. Generally, short path distillation is a relatively quick process, with some runs taking as little as 30 minutes, while others may take several hours. The key to a successful distillation is to carefully monitor the temperature and pressure throughout the process and adjust as necessary to ensure maximum efficiency and purity of the end product.

What are the advantages of using a cooling circulator?

Cooling circulators offer several advantages for temperature control and cooling applications. Firstly, they provide precise and stable temperature control within a specific range, ensuring accurate and repeatable experimental results. The ability to maintain constant temperatures is crucial for many laboratory processes, such as chemical reactions, sample storage, and equipment cooling. Secondly, cooling circulators are versatile and can be used with a wide range of laboratory equipment, such as rotary evaporators, reactors, and spectrophotometers. They also come in various sizes and cooling capacities to accommodate different cooling requirements. Additionally, cooling circulators are energy-efficient, as they recycle and reuse the coolant, minimizing water consumption and reducing operating costs. Overall, cooling circulators enable efficient and controlled cooling in laboratory and industrial settings.

What are the principles of rotary evaporation?

The basic principle of rotary evaporation is to increase a sample's surface area and optimize its temperature and vacuum level, enabling effective separation of solvents in a short time. A cooling condenser helps to recover the separated solvent. It is a gentle and efficient method for liquid separation and purification, with specific applications including concentration, crystallization, solvent distillation, and chemical synthesis. A rotary evaporator and a vacuum pump are the two equipment required for a rotary evaporation system. Selection of the optimal vacuum pump is based on considerations such as chemical compatibility, ability to process wet vapors, ultimate depth of vacuum, flow rate, and adjustable control of vacuum levels.

What safety precautions should be taken when using a cooling circulator?

When using a cooling circulator, it is important to follow safety precautions to ensure safe operation and prevent accidents. Firstly, proper training should be provided to personnel operating the circulator to ensure they understand its operation, safety features, and emergency procedures. Secondly, it is crucial to regularly inspect and maintain the cooling circulator, including the refrigeration system, pump, and electrical connections, to ensure safe and reliable operation. Any potential leaks or malfunctions should be promptly addressed. Thirdly, appropriate personal protective equipment (PPE) should be worn, such as gloves and safety glasses, when handling the coolant or performing maintenance tasks. Additionally, the cooling circulator should be placed on a stable surface and away from any potential obstructions or flammable materials. Proper grounding and electrical safety measures should also be followed.

What are the advantages of a rotary evaporator?

The advantages of using a rotary evaporator include lower boiling temperatures, faster evaporation of solvents, fewer operations, and the ability to suppress bumping during the process. The lower boiling temperatures allow for the separation of solvents and compounds at lower temperatures, while faster evaporation speeds up the process. Fewer operations are needed thanks to the built-in lifting and falling motor, and bumping is suppressed, allowing for quick and gentle evaporation. Rotary evaporators are particularly useful for heat-sensitive compounds and distillation of complex mixtures.
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4.8

out of

5

This vacuum pump is a game-changer! Say goodbye to water waste and contamination with this eco-friendly alternative.

Kellan Parker

4.9

out of

5

Efficient and reliable, this vacuum pump has been a great addition to our lab. Highly recommend!

Carla Silva

4.7

out of

5

The technological advancements in this vacuum pump make it a must-have for any modern laboratory. Bravo!

David Kim

4.6

out of

5

Compact and powerful, this vacuum pump fits seamlessly into our lab space and delivers impressive performance.

Isabella Garcia

4.8

out of

5

The ease of maintenance and durability of this vacuum pump make it a worthwhile investment for any lab.

Oliver Chen

4.9

out of

5

The vacuum pump's intuitive design and user-friendly interface make it a breeze to operate. Highly satisfied!

Hannah Johnson

4.7

out of

5

The quick delivery and exceptional customer service made the purchase of this vacuum pump an absolute pleasure.

Lucas Martinez

4.6

out of

5

The vacuum pump's exceptional value for money makes it an unbeatable choice for cost-conscious labs.

Amelia White

4.8

out of

5

The vacuum pump's robust construction and attention to detail make it a durable workhorse in our laboratory.

Liam Brown

PDF - Benchtop Water Circulating Vacuum Pump

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Catalog of Vacuum Pump & Cold Trap Chiller

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Catalog of Laboratory Vacuum Pump

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Catalog of Rotary Evaporator

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Catalog of Short Path Distillation

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Catalog of Cooling Circulator

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