Advantages and Disadvantages of Screw Chiller vs Centrifugal Chiller

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Screw chiller with screw compressors

Screw chiller has water cooled chillers and air cooled chiller.

Water cooled chiller need to work with cooling towers.

Screw Chiller Advantages:

  1. Simple structure, fewer moving parts, less wearing parts, only 1/10 of the piston type, low failure rate, and long life screw compressor.
  2. Screw compressors screw chiller has a smooth circular motion, no “surge” phenomenon during the low load operation, low noise, and low vibration.

screw compressor

Screw Compressor

  1. The screw compressors’ compression ratio can be as high as 20, and the EER value is high.
  2. Convenient adjustment, step-less adjustment within the range of 10% to 100%, high efficiency at part load, and significant power saving.
  3. Small size and lightweight, can be built into a fully enclosed large capacity unit, because of screw compressor.
  4. Screw chillers with screw compressors are not sensitive to wet stroke.
  5. It belongs to positive pressure operation, and there is no problem of external air intrusion and corrosion.


  1. The price is higher than the piston type.
  2. The capacity of the single machine is smaller than that of the centrifugal type, and the rotation speed is lower variable speed.
  3. The lubricating oil system is more complicated and consumes more oil.
  4. The large-capacity unit has higher noise.
  5. High machining accuracy and assembly accuracy are required

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    Centrifugal chillers


    The impeller has a high rotation speed, large gas transmission volume, and large single machine capacity.

    Fewer wearing parts, reliable work, compact structure, stable operation, small vibration, and low noise.

    The weighted index per unit cooling capacity is small.

    No lubricant is mixed in condenser the refrigerant, and the removes heat entering the evaporator and the condenser is good.

    The EER value is high and the theoretical value can be reached. 6.996. Easy adjustment, stepless adjustment within 10% ~ 100%.

    Disadvantages of centrifugal chillers:

    The single-stage compressor will appear “surge” phenomenon at low load and run smoothly at full load.

    Centrifugal chillers Strict requirements on material strength, processing accuracy, and manufacturing quality.

    When the operating conditions deviate from the design conditions, the efficiency decreases faster, and the cooling capacity decreases faster than the piston type as the evaporation temperature decreases.

    Centrifugal negative pressure system, outside air, is easy to invade, there is a risk of chemical changes corroding pipelines.

    GESON 500Tons Inverter Direct-drive Centrifugal Chiller

    Cooling capacity: 250~1300RT / 879~4571kW

    Refrigeration COP: 6.33~6.62

    Refrigeration IPLV: 8.10~9.07

    Energy Efficiency Level: Level 1

    Dimensions (LxWxH): 3650x1940x2150~4800x2260x3050mm

    Shipping weight: 4650~13650kg

    Running weight: 5580~16710kg

    Cooling capacity: 250~1300RT / 879~4571kW

    Refrigeration COP: 6.33~6.62

    Refrigeration IPLV: 8.10~9.07

    Energy Efficiency Level: Level 1

    Dimensions (LxWxH): 3650x1940x2150~4800x2260x3050mm

    Shipping weight: 4650~13650kg

    Running weight: 5580~16710kg

    500Tons Inverter Direct-drive Centrifugal Chiller

    • Cooling capacity: 250~1300RT / 879~4571kW
    • Refrigeration COP: 6.33~6.62
    • Refrigeration IPLV: 8.10~9.07
    • Energy Efficiency Level: Level 1

    What is Centrifugal Chiller?

    A centrifugal chiller is a device that is used in order to cool water. The design of the centrifugal chiller is such that it has a rotating impeller that forces water through a tube and then out into the atmosphere. The rotation of the impeller creates an area of low pressure on the inside of the tube, which causes cold water to be drawn in from outside and pumped through the tube.

    The centrifugal chiller can be used in many different industries, including food processing plants, breweries, and chemical plants. There are two types of centrifugal chillers: internal and external. External chillers are usually placed outside so as to allow for easier access by workers or for easier connection to other devices like pipes or pumps. Internal chillers are usually smaller and more compact than

    What is the difference between screw chiller and centrifugal chiller?

    Screw chiller and centrifugal chiller are two types of chilling equipment. Screw chiller is a more traditional type of equipment. It works by cooling the water that goes into it, which in turn cools the food and beverages.

    Centrifugal chiller on the other hand, is a newer type of technology. It works by spinning a cylinder filled with ice around to cool the water in it and then pumps that cold water onto the food or beverages that need to be cooled.

    The only difference between these two types of chillers is how they work. They both have their pros and cons but typically screw chillers are used for smaller production volumes while centrifugal chillers are used for larger production volumes.

    Which type of chiller is best?

    A screw chiller is a type of chiller that uses a coiled tube to cool water. The coil is usually made of copper, but it can be made out of other metals, such as aluminum. A screw chiller is best for cooling small amounts of water to a moderate temperature.

    A centrifugal chiller is a type of chiller that uses centrifugal force to cool water. The water enters the machine through the inlet and then exits through the outlet pipe. A centrifugal chiller is best for cooling large amounts of water to a high temperature.

    A screw industrial chiller is a food processing equipment machinery that helps to chill and cool the food.

    It is a refrigeration machine that uses a rotating screw to force the pressure liquid or refrigerant gas around it.

    It also has an inlet for chilled water or other coolant, which circulates through pipes within the screw.

    The machine works by pulling heat out of the process material and transferring it to the water or other coolant.

    The benefits of using them are numerous.

    Scroll Compressor

    Scroll Compressors

    A screw chiller is a device that cools water by passing it through a spiral pipe or screw-like tube in which the water is turned into ice crystals by the motion of the screw.

    The capacity range of a screw chiller is dependent on the power input and flow rate.

    There are four types of screw chillers, namely, single-stage, two-stage, three-stage and four-stage.

    The capacity range for single stage chillers ranges from 5 to 2000 tons per hour (tph) while for two stage chillers ranges from 10 to 5000 tph.

    For three stage chillers, it ranges from 50 to 10000 tph while for four stage chillers, it ranges from 100 to 20000 tph.

    Chiller systems can be water cooled chiller systems, which is water cooled chillers and cooling tower.

    Cooling tower is for cooling the condenser heat exchangers of the water cooled chiller.

    Water Cooling Tower

    Water Cooling Tower

    All need placed in the mechanical room.

    Mechanical room can protect the air cooled condenser and heat exchanger.

    Screw chiller different from scroll compressor chiller on the chiller capacity control.

    Scroll chillers with multiple scroll compressors

    Scroll chillers with multiple scroll compressors

    Water cooled chiller also can have multiple compressors, scroll compressors also can have multiple compressors.

    Water cooled system with only one compressor

    Water cooled system with only one compressor

    When buying a screw chiller, there are many factors to consider.

    You should first ask yourself what kind of cooling you need.

    There are different types of screw chillers for different applications.

    For example, if you need to cool a product quickly for shelf life purposes, you will want to buy a high-speed screw chiller that can cool products at speeds of up to 300°F per minute.

    In the food industry, it is important to keep in mind that some products require more or less cooling than others.

    For example, dairy products require less cooling than meat products and produce requires more chilling than meat because it is not as dense and contains more water content.

    Screw chillers are used in a variety of industries, and they help to save time by using the liquid nitrogen to cool down the temperature.

    The food manufacturing process is one of the most common areas where screw chillers are used. They are also used in laboratories, hospitals and other medical facilities. There are many other use cases for these amazing machines, and we will explore them below!

    Screw Chillers are used in the food industry to cool the product. They are used in the meat and dairy industries, as well as in some industrial applications.

    There are two types of screw chillers available in the market – one is a single-screw chiller and another is a double-screw chiller. The single-screw chiller has a single screw that rotates at high speeds, while the double-screw chiller has two screws rotating at high speeds.

    The main difference between these two types of screw chillers is that the double-screw chiller can achieve higher temperatures than a single screw system can provide.

    They are efficient in terms of energy consumption, they are fast with cooling capacity, they can be used for both hot and cold products, they have low maintenance costs and they have a small footprint which makes them easy to transport.

    Air cooled chillers can be installed in any place, and they are not limited to a specific area.

    Air cooled chillers require less maintenance than water-cooled chillers.

    The cooling medium in air-cooled chiller consists of air, which is easier to maintain than water.

    The cooling medium in the air-cooled chiller is less expensive than the liquid cooling medium for water-cooled chillers.

    Air cooled chillers are more energy efficient because they do not require a compressor, which increases the cost of operation.

    It is difficult to control the temperature of an air cooled chiller because it depends on ambient conditions and outside temperature.

    The chiller capacity formula is a mathematical equation that determines the amount of cooling power required by a chiller to maintain a certain temperature.

    The chiller capacity formula is calculated by multiplying the total number of square feet in the space to be cooled, in square feet, times the desired temperature difference between inside and outside air, divided by two. The result is then multiplied by 1.085.

    All Types of Industrial Water Chiller Products

    Geson water cooled chillers and air cooled chiller product range cover Industrial Process Chillers Refrigeration and Commercial Central air-conditioning, including Water cooled chillers, Air cooled chillers, Screw Chillers, Scroll Chillers, Centrifugal chillers, Water(ground) source heat pumps, Air source heat pumps, Absorption chiller, mechanical compressor, Cooling Towers and etc., Capacity from 2tons~4000tons, and temperature from -160℃~30℃, complete full right chiller product series, air or water cooled for customers.

    Geson Industrial processes chillers involve all chiller types, and you can do chiller selection according to chiller types, operating cost, energy efficiency building load, energy consumption, variable speed, compressor technology, operating time, part load, air or water-cooled chiller types, fully serviceable or less equipment, maintenance costs, whether need large buildings, so also can design from the building owners advice.

    Read more about GESON industrial chiller manufacturer, industrial process chiller manufacturers, water cooled chillers, get multiple chillers, air cooled chillers offer for you, pls visit

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