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Forged steel ball valve is mainly used for oil, natural gas pipeline transportation and urban long-distance gas pipeline system. As long pipeline with the unique characteristics of the valve, thus fully taken into account in the design of its ability to withstand stress pipeline, as well as safety, weather resistance, long-term use of reliability http://www.51orders.com/showroom/Forged-Steel-Ball-Valve.htmSome forged steel ball valve marked with arrows, if not with English FIOW writing, for the direction of seal seat role, not as a reference for the media flow, the valve from the vent in the opposite direction. Typically, two-seater with two-way flow valve seal.
