ZR748W - type 2 combustion valve (cold air valve), using single ram type structure, the disc is driven by hydraulic device through the connecting rod system to realize opening and closing.

This valve is used for blast furnace hot blast stove and other industrial kiln for air pipe line for cutting medium.

This valve is installed on the vertical lines, above the gate in the sealing surface. When installation should guarantee the medium flow in accordance with the direction indicated by an arrow.

This valve for air cooling should be on both sides of the valve and bypass valve using line pressure to facilitate operation.

This valve connecting flange size GB2555-81 standard