Avoid bumping of the valve and ransmission device.The valve is in full close in order to avoid damage of disc and driving part.
Avoid bumping of the valve and ransmission device.The valve is in full close in order to avoid damage of disc and driving part.
运输时避免撞击阀门及传动装置，阀门应处于全闭位置，以防在运输中蝶板和传动部件损坏。