American Standard flange regulating valve is the the the various regulator valve, flange connection dimensions conform to ANSI 150Lb 300Lb 600Lb standard, American standard flange connection can be used to require the American Standard 150Lb or 300Lb 600Lb ANSI flanged connectionsOfficial Road on a variety of pressure reducing valve, to do vacuum regulator valve. American Standard regulating valve can be used to control the flow of air, water, steam, corrosive media, mud, oil, liquid metal and radioactive media, such as various types of fluid.