除 Refra 复叠系统外,该公司还展示了一台使用丙烷(R290)和 R1270 混合物的示范高温热泵。
【英文原文】
原标题:Refra Targets Middle East with CO2/R1270 Cascade System
In addition to the Refra Cascade System, the company is showing a demo high-temperature heat pump that uses a blend of R290 and R1270.




