闸阀的安装与维护应注意以下事项
The below-noted items for installation and maintenance of gate valve
1、手轮，手柄及传动机构均不允许作起吊用，并严禁碰撞。
2、双闸板闸阀应垂直安装（即阀杆处于垂直位置，手轮在顶部）。
3、带有旁通阀的闸阀在开启前应打开旁通阀（以平衡进出口的压差及减小开启力）。
4、带传动机构的闸阀，按产品使用说明书的规定安装？
5、如果阀门经常开关使用，每月至少润滑一次。
1、The handwheel.handdle and driving device are not allowed to lift things,and the collision is forbidden.
2、The double-disc gate valve should be installed verticafly（i.e the valve stem is vertical.and the handwheel ison the top）。
3、For the gate valve with by-pass valve,should first open the by-pass valve before open the valve（to balance the pressure difference between exit and entry,and to reduce the opening force），
4、For the gate valve with driving device.install it as per the use instruction.
5、If often use the valve,lubricate it one time at least every month.