/ 型號 /3020 Series Auto drain valve

/ 規格 /

■ Brass body & Quick coupling

■ Small hole through which air or water leaks out.

/ 說明 /

向下安裝可以避免灰塵阻塞小孔。
The vent may be installed in vertical and downward, which may avoid the dust be blocked.

/ 功用 /
■ 狀況一：管壓＞彈簧壓力,方能止水
Sealing up：Tube pressure ＞ Spring pressure

■ 狀況二：管壓＜彈簧壓力,方能洩水
Draining： Tube pressure ＜ Spring pressure