China supplier Factory Price Recirculating Chillers Cooling Water Vacuum Pump with Great quality

Product Description

Factory Price Recirculating Chillers Cooling Water Vacuum Pump


Features of Recirculating Water Cooled Chiller:

  • High Quality Air-cooled hermetic imported compressor group
  • Exclusive and high quality relay, protector, and capacitor.
  • Microprocessor controller, displays display, simple operation.
  • Large cooling capacity and high cooling speed
  • Circulation pump flow can be customized to meet the practical needs of different customers.
  • All models of the machine temperature and cooling capacity can be customized  to meet the customer’s actual needs.
  • The evaporation rate of plate type refrigerate circulators can rise up 50% than normal refrigerate circulators. 
  • 110V/220V 60Hz is available.

  It is a necessary lab equipment for medicine, chemical industry, food industry, metallurgical industry, universities, scientific research, genetic engineering, polymer engineering and so on . (Can be customized large capacity according to user needs ).

Technical Parameters of Circulating Water Chiller:
According to the volume of cryogenic cooling bath circulation pump divided into : 5L,10L,20L,30L,50L,100L.
Each volume according to the lowest temperature can divide into : -10ºC,-30ºC,-40ºC,-120ºC.

Model DLSB-30/30 DLSB-20/30 DLSB-10/30
Volume(L) 39.3 24.38 13.82
No Load Min. Temp. (ºC) -30 -30 -30
Environment Humidity(%) ≤70 ≤70 ≤70
Power Supply(Single phase)(V/HZ) 220/50 220/50 220/50
Temp. Precision(ºC) ±2 ±2 ±2
Cooling Capacity(W) 10ºC 2722 1845 1320
0ºC 2178 1476 1056
-10ºC 1452 984 880
-20ºC 907 615 528
-30ºC 363 246 120
Total Power(W) 1950 1350 980
Total Current(A) 9.2 7.2 5.2
Refrigerant R404A R404A R404A
Circulating Pump Power(W) 100 100 100
Flow(L/min) 20 20 20
Lift(m) 6 6 6
Total Demension(mm) 660*515*985 565×460×845 550×420×780
Weight(Kg) 89 60 54
Fuse 15A 10A

    Xihu (West Lake) Dis.llary Equipment of Low-twmperature Circulating Pump:

    Cooling liquid circulating pump is usually used as ancillary equipment of rotary evaporator, glass reactor, short path distillation,the main function is providing low temperature liquid for condensation or low temperature reaction.

    1.What’s the max temperature?
    We have the lowest temperautre -10ºC,-30ºC,-40ºC,-120ºC.

    2.What’s the volume do you have?
    We can offer you 5L,10L,20L,30L,50L,100L.

    3. What can do with the cooling chiller?
    Mainly provide low temperature liquid for condensation and low temperature reaction.

    4. Can you offer the supporting facilities?
    Yes, we can offer you the vacuum pump, heating and cooling system as you demand.

    5. What’s the minimum order quantity?
    No limited at present.

    Company and Service:

    HangZhou CZPT Machinery and Instrument Equipment Co., Ltd. is a famous manufacturer of lab equipment located in the central China.

    The main product is high temperature circulating water/oil bath,rotary evaporator, short path distillation, glass reactor, circulating water vacuum pump, low temperature reaction bath (slot), cooling chiller,drying oven, high-pressure reaction kettle, CZPT dryer, water/oil bath, magnetic heating stirrer, hydrothermal synthesis reactor, heating mantle, lift jack, etc.

    Our company has become a pacesetter of the lab instruments in China.

    Pre-sale Service:
    24 Hours online service for your consult.
    Help choose right model,and a series of service,person,advise. 
    Provide discount for many sets order
    Choose payment term you convienent.
    Promptly production and delivery,inform you in time.
    After sale service:
    1 year warranty service and all life maintenance.
    Technical Egineer are avalible for oversea trainning.
    Free change for some parts
    Remote control technical consult
    Free installation DVD
    Maintenance plan

    -The glass parts will be wrapped with foam,then put into the carton; the mainbody portion will be packed in wooden cases;
    -Both neutral and customized packaging can be available.
    -We can ship the goods to you by International Express such as DHL,UPS,TNT,EMS and so on, you can also choose the appropriate 1 based on your timeline and budget. Besides,you can choose to use your own shipping agent.

    We are a company with 6 years of experience in exporting  laboratory equipment.
    We can provide you professional service and products with good quality.
    Just send us an inquiry.

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    Type: Water-Cooled
    Cooling Method: Water-cooled
    Unit Structure: Integral
    Selected Voltage: 220V/50HZ
    Compressor Number: 1
    Noise Level: Ultra Quiet

    Vacuum Pump

    Types of vacuum pumps

    A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.

    Forward centrifugal pump

    Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
    Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
    Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
    Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.

    Self-priming centrifugal pump

    Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
    The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
    These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
    Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.

    Screw Pump

    The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
    Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
    Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
    Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely.
    Vacuum Pump

    Diaphragm Pump

    Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
    Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
    Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
    Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.

    Atmospheric pressure is a key factor in a vacuum pump system

    Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
    The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
    Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
    When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages.
    Vacuum Pump

    The screw pump is less efficient in pumping gases with smaller molecular weight

    Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
    Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
    Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
    Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.

    China supplier Factory Price Recirculating Chillers Cooling Water Vacuum Pump   with Great quality China supplier Factory Price Recirculating Chillers Cooling Water Vacuum Pump   with Great quality
    editor by CX 2024-04-10


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