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Flange globe valve is a device used to cut off, connect or regulate the medium in the pipeline. It is a forced sealing valve. When the valve is closed, pressure must be applied to the valve disc to force the sealing surface not to leak.
Working principle
The globe valve relies on the pressure of the valve stem to make the valve disc sealing surface and the valve seat sealing surface closely fit, thereby preventing the flow of media. The closing principle of the stop valve relies on the pressure of the valve stem to make the valve disc sealing surface and the valve seat sealing surface closely fit to prevent the flow of media. The stop valve only allows one-way flow of media and is directional during installation.
Types and applications
There are many types of flange globe valves, including cast iron flange globe valves, forged steel flange globe valves, and stainless steel flange globe valves. These valves are suitable for different working conditions and media. For example, cast iron flange stop valves are suitable for medium and low pressure environments, while forged steel flange stop valves are suitable for high pressure environments. Stainless steel flange stop valves are widely used in petrochemical, chemical, electric power, metallurgy, pharmaceutical and food industries due to their corrosion resistance and strength.