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    Butterfly Valves

    Wafer & Lug Style Butterfly Valves

    Butterfly Valves are available in two general types, Wafer and Lug Style, and are manually, pneumatically, or electronically actuated. Dultmeier primarily stocks manually or pneumatically actuated valves, but electric actuation is still available.

    Wafer-Style butterfly valves have "thru" bolt holes along the outside rim of both pipe flanges. Lug-Style butterfly valves have threaded bolt holes on both sides of the body, allowing for "end of line" applications.

    In regards to actuation, as stated above, there are several types. Manual and pneumatic actuation is achieved with either spring return or double acting actuators. A double acting actuator requires air pressure to open and close the valve, while a spring actuator closes (or opens) in the event of air pressure loss, leading to usage in fail-safe applications.

    While they are a non-stock item, Electric Actuators are still available. Electric actuators are primarily used for reliable, economical remote activation.

    Check out our blog post about Butterfly Valves for more information.
    Picture for category 12 & 24 Volt Butterfly Valves

    12 & 24 Volt Butterfly Valves

    Picture for category 12 Volt On-Off Butterfly Valves

    12 Volt On-Off Butterfly Valves

    Picture for category Air Actuated Butterfly Valves, Centerline Valves

    Air Actuated Butterfly Valves, Centerline Valves

    Picture for category Air Actuated Butterfly Valves, Keystone Valves

    Air Actuated Butterfly Valves, Keystone Valves

    Picture for category Air Actuated Butterfly Valves, Pratt Valves

    Air Actuated Butterfly Valves, Pratt Valves

    Picture for category High Performance Butterfly Valves, Keystone Series 36 & 37

    High Performance Butterfly Valves, Keystone Series 36 & 37

    Picture for category Lug Style Butterfly Valves, Keystone Valves

    Lug Style Butterfly Valves, Keystone Valves

    Picture for category Lug Style Butterfly Valves, Pratt Valves

    Lug Style Butterfly Valves, Pratt Valves

    Picture for category Split Body Wafer Butterfly Valves

    Split Body Wafer Butterfly Valves

    Picture for category Tank Truck (TTMA) Butterfly Valves

    Tank Truck (TTMA) Butterfly Valves

    Picture for category Wafer Butterfly Valves

    Wafer Butterfly Valves

    Picture for category Wafer Butterfly Valves, Centerline Valves

    Wafer Butterfly Valves, Centerline Valves

    Picture for category Wafer Butterfly Valves, Keystone Valves

    Wafer Butterfly Valves, Keystone Valves

    Picture for category Wafer Butterfly Valves, Pratt Valves, OS Series

    Wafer Butterfly Valves, Pratt Valves, OS Series

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    Picture of Wafer Style Butterfly Valve, 5" Size, 221 Series

    Wafer Style Butterfly Valve, 5" Size, 221 Series

    KE906-50
    Butterfly Valve, Wafer, 5IN, EPDM Seat, 316SS Disc & Stem, Cast Iron Body With Handle, Series 221
    Save 5% on 5!
    $244.00 / EA
    Picture of Butterfly Valve with Air Actuator, Double Acting, 4"

    Butterfly Valve with Air Actuator, Double Acting, 4"

    DUA906-40K
    Butterfly Valve, 4IN Cast Iron With Keystone Air Actuator, Double Acting
    Save 5% on 5!
    $572.00 / EA
    Picture of Butterfly Valve with Air Actuator, Spring Return, 6"

    Butterfly Valve with Air Actuator, Spring Return, 6"

    Dultmeier Sales
    DUA906-60PSR
    Butterfly Valve, 6IN Pratt with Unitorque Air Actuator, Spring Return
    Save 5% on 5!
    $928.00 / EA
    Picture of Butterfly Valve, Split Body, Lug Style, 2-1/2", Bare Stem

    Butterfly Valve, Split Body, Lug Style, 2-1/2", Bare Stem

    KE920-25BARE
    Butterfly Valve, Lug Style, Split Body, Cast Iron Body, 2-1/2IN, EPDM Seat, 316SS Disc/Stem, 150lb Class, Bare Stem
    $429.00 / EA
    Picture of Wafer Butterfly Valve with Handle, 5"

    Wafer Butterfly Valve with Handle, 5"

    Pratt Valves
    PTOS5
    Wafer Butterfly Valve, 5IN, EPDM Seat, 304SS Disc, Lever Handle
    Save 5% on 5!
    $196.00 / EA
    Picture of Wafer Style Butterfly Valve, 6" Size, 221 Series

    Wafer Style Butterfly Valve, 6" Size, 221 Series

    KE906-60
    Butterfly Valve, Wafer, 6IN, EPDM Seat, 316SS Disc & Stem, Cast Iron Body With Handle, Series 221
    Save 5% on 5!
    $294.00 / EA
    Picture of Butterfly Valve with Air Actuator, Spring Return, 4"

    Butterfly Valve with Air Actuator, Spring Return, 4"

    DUA906-40KSR
    Butterfly Valve, 4IN Cast Iron With Spring Return Air Actuator
    Save 5% on 5!
    $755.00 / EA
    Picture of Butterfly Valve with Air Actuator, Spring Return, 8"

    Butterfly Valve with Air Actuator, Spring Return, 8"

    Dultmeier Sales
    DUA906-80PSR
    Butterfly Valve, 8IN Pratt with Unitorque Air Actuator, Spring Return
    Save 5% on 5!
    $1,382.00 / EA
    Picture of Butterfly Valve, Split Body, Lug Style, 920 Series, 3", Includes Locking Handle

    Butterfly Valve, Split Body, Lug Style, 920 Series, 3", Includes Locking Handle

    KE920-30
    Butterfly Valve, Lug Style, Split Body, Cast Iron Body, 3IN, EPDM Seat, 316SS Disc/Stem, 150lb Class, with Handle
    $487.00 / EA
    Picture of Wafer Butterfly Valve Bare Stem, No Handle, 5"

    Wafer Butterfly Valve Bare Stem, No Handle, 5"

    Pratt Valves
    PTOS5-BARE
    Wafer Butterfly Valve, 5IN, EPDM Seat, BARE STEM
    Save 5% on 5!
    $155.00 / EA
    Picture of Wafer Style Butterfly Valve, 8" Size, 221 Series

    Wafer Style Butterfly Valve, 8" Size, 221 Series

    KE906-80
    Butterfly Valve, Wafer, 8IN, EPDM Seat, 316SS Disc & Stem, Cast Iron Body With Handle & Plate, Series 221
    Save 5% on 5!
    $446.00 / EA
    Picture of Butterfly Valve with Matryx Air Actuator, Double Acting, 4"

    Butterfly Valve with Matryx Air Actuator, Double Acting, 4"

    Dultmeier Sales
    DUA906-40M
    Butterfly Valve, 4IN Cast Iron With Matryx Air Actuator, Double Acting
    Save 5% on 5!
    $1,355.00 / EA
    Picture of Butterfly Valve, Split Body, Lug Style, 3", Bare Stem

    Butterfly Valve, Split Body, Lug Style, 3", Bare Stem

    KE920-30BARE
    Butterfly Valve, Lug Style, Split Body, Cast Iron Body, 3IN, EPDM Seat, 316SS Disc/Stem, 150lb Class, Bare Stem
    $440.00 / EA
    Picture of Wafer Butterfly Valve with Handle, 6"

    Wafer Butterfly Valve with Handle, 6"

    Pratt Valves
    PTOS6
    Wafer Butterfly Valve, 6IN, EPDM Seat, with Handle
    Save 5% on 5!
    $249.00 / EA
    Picture of Wafer Style Butterfly Valve with Manual Gear Operator, 8" Size, 221 Series

    Wafer Style Butterfly Valve with Manual Gear Operator, 8" Size, 221 Series

    KE906-80G
    Butterfly Valve, Wafer, 8IN, EPDM, Manual Gear Operated (30 to 1 with Handwheel)
    Call for pricing / EA
    Picture of Butterfly Valve with Air Actuator, Double Acting, 6"

    Butterfly Valve with Air Actuator, Double Acting, 6"

    DUA906-60K
    Butterfly Valve, 6IN Cast Iron With Keystone Air Actuator, Double Acting
    Save 5% on 5!
    $856.00 / EA
    Picture of Butterfly Valve, Split Body, Lug Style, 920 Series, 4", Includes Locking Handle

    Butterfly Valve, Split Body, Lug Style, 920 Series, 4", Includes Locking Handle

    KE920-40
    Butterfly Valve, Lug Style, Split Body, Cast Iron Body, 4IN, EPDM Seat, 316SS Disc/Stem, 150lb Class, with Handle
    $712.00 / EA
    Picture of Butterfly Valve, Wafer Style, GRW Series, 230 PSI W.P., 2"

    Butterfly Valve, Wafer Style, GRW Series, 230 PSI W.P., 2"

    KEGRW-20
    Butterfly Valve, GR Series Wafer Style, Keystone, Cast Iron Body, 2IN, EPDM Seat, 316SS Disc/Stem, with Handle/Top Plate, Class 150
    Save 5% on 5!
    $228.00 / EA
    Picture of Wafer Butterfly Valve Bare Stem, No Handle, 6"

    Wafer Butterfly Valve Bare Stem, No Handle, 6"

    Pratt Valves
    PTOS6-BARE
    Wafer Butterfly Valve, 6IN, EPDM Seat, BARE STEM
    Save 5% on 5!
    $212.00 / EA
    Picture of Wafer Check Valves, 3", Right Hand External Spring and Lever

    Wafer Check Valves, 3", Right Hand External Spring and Lever

    From $692.00
    Picture of Wafer Check Valves, 4", Right Hand External Spring and Lever

    Wafer Check Valves, 4", Right Hand External Spring and Lever

    From $892.00
    Picture of Wafer Check Valves, 6", Right Hand External Spring and Lever

    Wafer Check Valves, 6", Right Hand External Spring and Lever

    From $1,499.00
    Picture of Butterfly Valve with Air Actuator, Spring Return, 6"

    Butterfly Valve with Air Actuator, Spring Return, 6"

    DUA906-60KSR
    Butterfly Valve, 6IN Cast Iron with Keystone Spring Return Air Actuator
    Save 5% on 5!
    $1,219.00 / EA
    Picture of Butterfly Valve, Split Body, Lug Style, 4", Bare Stem

    Butterfly Valve, Split Body, Lug Style, 4", Bare Stem

    KE920-40BARE
    Butterfly Valve, Lug Style, Split Body, Cast Iron Body, 4IN, EPDM Seat, 316SS Disc/Stem, 150lb Class, Bare Stem
    $666.00 / EA
    Picture of Butterfly Valve, Wafer Style, GRW Series, 230 PSI W.P., 2", Bare Stem

    Butterfly Valve, Wafer Style, GRW Series, 230 PSI W.P., 2", Bare Stem

    KEGRW-20BARE
    Butterfly Valve, GR Series Wafer Style, Keystone, Cast Iron Body, 2IN, EPDM Seat, 316SS Disc/Stem, Bare Stem, Class 150
    Save 5% on 5!
    $181.00 / EA
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