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    Wafer Butterfly Valve with Handle, 4"

    Pratt OS Series Wafer Butterfly Valves feature heavy duty construction. Lockable handles. Maximum flow area for use in on/off as well as throttling control applications. Standard seat is EPDM with Buna available. Top flange conforms to ISO5211 industrial standard. Blowout-proof stem meeting API609. Two internally driven shafts create a strong drive connection and a thin profile disc for high flow rates.

    Note: These valves have a molded-in resilient seats; suitable for full vacuum applications. Buna Seals Available for Diesel - Please Call for more information.

    Stem: 416 Stainless Steel
    Disc: 304SS Stainless Steel (316SS available)
    Body: Ductile Iron
    Seat: EPDM (Buna & Viton® available)
    W.P. Rating: 200 PSI
    Vacuum Rating: Full
    Temperature Range:-20?F to +250?F
    Pressure: to 200 PSI
    Manufacturer: Pratt Valves
    SKU: PTOS4
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    $165.00 / EA
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    Products specifications
    Style Wafer
    Body Material Ductile Iron
    Port Size A 4"
    Max PSI 200
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