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air cooled screw chiller and water cooled screw chiller

June 23, 2020

Amrta Air Conditioning is a refrigeration equipment manufacturing company integrating design, development, production and sales. 

According to the difference of heat dissipation methods, screw chillers can be divided into water cooled screw chiller and air cooled screw chiller.


1. Screw-type chiller Overview The selection of chillers should be based on the cold load and usefulness. For the refrigeration system with a long time of low load operation, it is advisable to use a multi-head plug compressor unit or a screw compressor unit for easy conditioning and energy saving.


2. When using a screw chiller to outline the chiller, the unit with a higher coefficient of performance value is inferior. According to statistics, the normal chiller operating time under 100% load is about 1/4 of the running time. The operating time ratios of 100%, 75%, 50%, and 25% load in the sub-run time are approximately 2.3%, 41.5%, 46.1%, and 10.1%. If this is the case, when the Water Chiller is being selected, the model with a relatively flat efficiency curve is relatively flat. At the same time, the scope of conditioning for the chiller load is being designed. The partial load performance of the multi-head screw chiller is inferior and can be selected according to the facts.


3. When selecting a chiller, pay attention to the conditions of the surface conditions. The factual cooling capacity of a chiller is related to the following factors:

a, cold water outlet temperature and flow; 

b. Inlet water temperature, flow rate and fouling coefficient of cooling water.


4. When using a screw chiller to outline the chiller, pay attention to the normal working range of the model. The secondary current limit of the motor is the current value of the shaft power under surface conditions.


5. The design of the screw chiller is being designed. When the surface condition is flowing, the outlet temperature of the cold water is not exceeding 15 °C, and the outdoor dry bulb temperature of the air cooled unit is improperly over 43 °C. If it is necessary to pass the above categories, it can be judged whether the power of the motor can be enough if the scope of use of the compressor can be answered. 


Amrta provides you with complete and complete consumption, 100% after-sales service. To provide you with excellent performance of chiller products, while providing preferential prices, the production of chillers is strictly in accordance with national and international price systems, with a complete and advanced chiller price system, the price of a single machine is completely in accordance with the cost system. Win the favor of our customers. 

Amrta specializes in the production and sales of water-cooled chillers, industrial chillers, laser chillers, pharmaceutical chillers, water-cooled chillers, air-cooled chillers, screw chillers, air-cooled screw chillers, Air-cooled chiller, electroplating chiller, rubber chiller, coated chiller, medical chiller, high-frequency machine chiller, roller chiller, chiller, freezer, etc., 

The above is the air cooled screw chiller and water cooled screw chiller we have listed for you. You can submit the following form to obtain more industry information we provide for you.

You can visit our website or contact us, and we will provide the latest consultation and solutions

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