1.Rising the temperature continuously , when it in the valves runs over the temperature of drainage, the detrusion of top material causes the port A close.

1.继续升高，阀超过该阀感元件所排水时，杆的位移使A口关闭。

2.Rising the temperature continuously , when it in the valves runs over the temperature of drainage, the detrusion of top material causes the port A close.

2.阀门有一定，工作时，冷凝水与空气从A口迅速排放。随着升高，感元件(阀芯)的杆，向A口移动。