Rack Board Plug Valve

Specification ： DN400－900
Application： Suitable for the cold blast pipelines of hot blast furnace, used for cold blast shut-off valve.
Model ： QYTC42W，QYTC72W，QYTC742W，QYTC942W




“YuTian”brand rack board plug valve has four types:

1. Manual rack type cold blast valve QYTC42W.

2. Hydraulic driving rack type cold blast valve QYTC72W (without small equalizing port).

3. Hydraulic driving sewage globe valve QYTC742W (with small equalizing port).

4. Motor driving rack type cold blast valve QYTC942W.



Characteristics:

1. Nominal diameter: DN500-600, 700-1800

2. Working temperature: 250℃

3. Working medium: air

4. Sealed by medium pressure.

5. This kind of valve has two types, one is that a small accessorial valve disc is fixed on the main valve disc. When opening the valve, the accessorial valve disc should be opened first to equalize the system pressure.

6. The valve should be installed on vertical pipelines.