Avoid bumping and the valve is in full close in order to avoid damage of disc and driving part.
Avoid bumping and the valve is in full close in order to avoid damage of disc and driving part.
运输时应避免撞击阀门，阀门应处于关闭位置以防在运输中阀板和传动部件损坏。
Avoid bumping and the valve is in full close in order to avoid damage of disc and driving part.
运输时应避免撞击阀门，阀门应处于关闭位置以防在运输中阀板和传动部件损坏。