The valve is composed of butterfly valve and piston valve. In order to reduce the noise during ventilation, a silencing device is installed on the piston valve
Suitable for blast furnace hot blast furnace system. Used to reduce or completely stop supplying air to a blast furnace without stopping the blower from working.
Drive mode: hydraulic (model: ld749w), electric (model: ld949w), can also be configured according to user requiremen