顶杆

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.

度继续升高，阀内度超过该阀感元件所排水度时，顶移使A口关闭。

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.

阀门有一定开度，开始作时，冷凝水与空气从A口迅速排放。度升高，感元件(阀芯)内顶，向A口移动。