The high-pressure liquid refrigerant through the expansion valve, because the expansion valve throttling pressure drop, the refrigerant into normal temperature low pressure liquid.
常温高压的液体冷媒流过膨胀阀，因为膨胀阀的节流作用压力降低，使得冷媒变成常温低压的液体。
2
The valve for hightemperature and pressure medium.
这种阀门适用于高温高压介质。
3
The gross structure, principle of work and design gist of High-temperature and High-pressure rotary valve in pneumatic conveying system with solid wateric were introcued.