A contrast experiment on reciprocating compressor carried out, using both R404A and R22. Through the study of this experiment analyzed the feasibility of replacing R22 with R404A.

• 摘要通过对某公司生产的半封闭活塞式制冷压缩机分别应用R404A与R22在中、低温工况下的对比实验研究，来分析使用环保型制冷剂R404A替换R22的可行性，为实际使用提供数据。