Preferred position for 2300 valves is in a horizontal line with spring chamber up.
Preferred position for 2300 valves is in a horizontal line with spring chamber up.
对于系列2300阀门，首选的安装位置是在水平管线上，其弹簧隔膜朝上。
Preferred position for 2300 valves is in a horizontal line with spring chamber up.
对于系列2300阀门，首选的安装位置是在水平管线上，其弹簧隔膜朝上。