The S&S Series B is a single port globe-style body with composition or metal seats and a balanced "push-down-to-close” valve plug. There are three styles of valves available: Design "S&S BD” is intended for general control application over a wide variety of temperature and pressure drops. Design "S&S BT” is intended for applications requiring low leakage rates with composition seating (TFE) for tight shutoff requirements or metal-to-metal seating for higher temperature capabilities. The valve plug has a two-piece upper seal. Design "S&S BZ" valves are globe-style with integral end connections, post guiding, and quick-change trim. These valves are used in chemical or hydrocarbon processing applications or in applications that require control of non-lubricating, viscous, or other hard-to-handle fluids. *Flow Characteristics are Equal percentage, quick opening, The flow direction for standard cages ("S&S BD & S&S BT") is flow down, and the flow direction for the S&S BZ is up through the seat ring with the following flow characteristics available: linear, quick opening, and equal percent. The end connections are ANSI Class 150, 300 and 600 Raised Face or Ring Type joint flanges as per ASME B16.34-1996. Valve bodies are available in LCC, WCB and 316sst material.
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