The 6"48OS&Y Gate Valve with flanged end connections is used to provide a visual indication of whether a valve is in the open or closed position, and is utilized on fire sprinkler system applications. Features of this resilient wedge gate valve include stainless steel internals and stem, and outside stem and yoke. The 48OS&Y has a maximum working water pressure of 250 psi, maximum working water temperature of 140°F, and hydrostatic test pressure of 500 psi.