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It is important to choose the suitable heat conduction medium, to make sure that system works stably. To choose the suitable medium according to the working temperature of the system is essential.

How to Determine Freezing Water Flow Rate?


A lot of people will ask such a question when they buy a cold water machine -- how do you determine the freezing water flow of a refrigerated water unit? So which aspects should we consider the cold water flow?

1. Water pressure test of the unit in and out of the water pipe.

Detect the pressure value of the in- and out-water, then refer to instruction about the water flow under this circumstance and determine whether the water system is normal by looking at the description in the corresponding table or flow diagram of the unit. This difference is also used to determine which part of the water pipeline has a large resistance and make corresponding rectification plan and action.

2. The air inlet temperature of the compressor should be tested only when the refrigeration operation is carried out.

If the temperature of the  is tested lower than zero after running for 30 minutes, then water flow is not enough on water side heat exchanger which causes evaporation temperature and pressure to fall and cause freon in evaporator flow to the compressor suction duct in evaporation heat. That brings about the fact that the compressor suction temperature below zero. In addition, the evaporation pressure and evaporation temperature caused by low temperature setting should be excluded. However, the low-temperature unit can be considered normal as long as there is 6 ~ 8 ℃ overheat of compressor suction. So under normal water flow, the compressor suction temperature generally will be greater than 0 ℃. Temperature lower than this value should be ruled out water system problems.

3. The current needs to be tested when the pump runs.

By detecting the current of the pump of water  and comparing with rated current, you can determine the actual water flow, whether its water flow is big or small. Refer to the parameters above, you can draw an exact water system testing analysis report.


Posted by Tony Sen
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Wuxi Guanya Refrigeration technology co., ltd
Address No.10, Zhenfa No.1 Road, Shuofang Street, New District, Wuxi, Jiangsu ,China.Zip Code:214142
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Company Profile Wuxi Guanya Refrigeration Technology Co., Ltd. Specialized in refrigeration equipment,Ultra-low temperature freezer, cooling and heating temperature control system, heating circulation system, explosion-proof electric equipment. Automatic integrated disparate control system, laboratory apparatus. We are the technology leader for high precision thermoregulation solutions in Research and Development Industry. Our products ensure precise temperature control throughout the whole world in laboratories, pilot plants and production processes. Our product range offers temperature control solutions for applications from -152 to +350℃.
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Keywords (seperated by comma)refrigerated water chiller
Product SpecificationsIf the temperature of the refrigerated water chiller is tested lower than zero after running for 30 minutes
Industry Categorychiller
Quality/Safety Certifications
Delivery Lead Time35
Payment & Price TermsL C D A D P T T Western Union MoneyGram
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Packaging Detailsstandard wooden case
Our TeamWuxi Guanya Refrigeration technology co ltd
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 Product Details
 Product id  617303
 Visits   31
 Date  2019.07.12

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