NIBCO S4-899-828U700, 4 in. SureSeal Butterfly Valve Al/255Uc/Nitrile 899-828U700

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899 Sanitary (lined) butterfly valves for sanitary applications in chemical and food processing industries. Wafer style available in eleven sizes (from 1" to 12") have 25-5 duplex SS bodies lined with PTFE, FDA EPDM, FDA Nitrile (Black or White) or fluorocarbon seats to meet a broad range of chemical compatibility requirements. Standard 25-5 duplex SS disc & stem is more corrosion resistant and twice as strong as 316 SS. Valve body is two piece allowing for easy seat replacement and disc/stem replacement. Show more