Shenzhen Ruifujie Technology Co., Ltd. News

Ever wonder how your walk-in cooler or industrial chiller keeps things cold? A key player is the ​​semi-hermetic compressor​​ – a workhorse found in many large commercial and industrial refrigeration systems. Unlike fully sealed "hermetic" compressors used in home refrigerators, a semi-hermetic ...

​​​I. Main System Components​​ ​​Screw Compressor:​​ The heart of the system. Compresses low-temperature, low-pressure refrigerant gas into high-temperature, high-pressure gas. ​​Condenser:​​ The high-pressure, high-temperature refrigerant gas releases heat here, condensing into a liquid. ​...

Copeland has unveiled a rebranding of its diverse product lines across the refrigeration and industrial sectors to align with its transition into a standalone company last year. The company stated that it is consolidating a broader range of products under the Copeland brand to strengthen its ...

USA/JAPAN: Two leading manufacturers in the HVAC industry, Copeland and Daikin, have announced a joint venture through which Copeland will introduce Daikin’s inverter swing rotary compressor technology to the U.S. market. The joint venture will be established in the United States, focusing ...

1. Blockage ​​Ice Blockage​​: Caused by moisture in the system, which freezes at low temperatures to block the valve orifice. This leads to reduced cooling efficiency or intermittent failure to cool. The ice may melt temporarily after shutdown, restoring partial function. ​​Dirt Blockage​​: ...

Recently, the International Organization for Standardization (ISO) has released two international standards for refrigeration compressors led by China: Performance Evaluation of Positive Displacement Refrigeration Compressors and Performance Evaluation of Centrifugal Refrigeration Compressors. These ...

First, turn on the air conditioner and set it to cooling mode so that the outdoor unit enters normal operation (open the indoor unit panel, remove the filter screen; if partial condensation or frost is found on the evaporator, this is actually due to insufficient refrigerant). Loosen the small nut ...

The compressor is regarded as the heart of the refrigeration system, with its core responsibility being to increase pressure—transforming the refrigerant from the suction pressure state to the discharge pressure state. Emerson Copeland compressors are widely used and highly regarded in the industry. ...

I. Reducing the heat load of the cold storage Enclosure structure of the cold storage The storage temperature of low-temperature cold storage generally ranges around -25°C, while the daytime outdoor temperature in summer is typically above 30°C. This means the temperature difference across the two ...