Product name: whole type flanged ball valve Link form: flange connection Nominal Path: 1 / 2 "-4." Applicable medium of whole type flanged ball valve: water, oil, steam. Pressure range: 1.6, 2.4, 6.4 (Mpa). Wide-flanged ball valves: products applicable to the petroleum, chemical, metallurgical, fiber, pharmaceutical, food, drinks, beer, military and other major industries