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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 Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 4"

    Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 4"

    KEGRL-40
    Butterfly Valve, GR Series Lug Style, Keystone, Cast Iron Body, 4IN, EPDM Replaceable Seat (NSF/ANSI 61), 316SS Disc & Shaft, Class 150, With Handle
    Save 5% on 5!
    $377.00 / EA
    Picture of Butterfly Valve, Wafer Style, GRW Series, 230 PSI W.P., 8", Bare Stem

    Butterfly Valve, Wafer Style, GRW Series, 230 PSI W.P., 8", Bare Stem

    KEGRW-80BARE
    Butterfly Valve, GR Series Wafer Style, Keystone, Cast Iron Body, 8IN, EPDM Seat, 316SS Disc/Stem, Bare Stem, Class 150
    Save 5% on 5!
    $711.00 / EA
    Picture of Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 5"

    Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 5"

    KEGRL-50
    Butterfly Valve, GR Series Lug Style, Keystone, Cast Iron Body, 5IN, EPDM Replaceable Seat, 316SS Disc & Stem, With Handle, Class 150
    Save 5% on 5!
    $496.00 / EA
    Picture of Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 6"

    Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 6"

    KEGRL-60
    Butterfly Valve, GR Series Lug Style, Keystone, Cast Iron Body, 6IN, EPDM Replaceable Seat, 316SS Disc & Stem, With Handle, Class 150
    Save 5% on 5!
    $589.00 / EA
    Picture of Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 8"

    Butterfly Valve, Lug Style, GRL Series, 230 PSI W.P., 8"

    KEGRL-80
    Butterfly Valve, GR Series Lug Style, Keystone, Cast Iron Body, 8IN, EPDM Replaceable Seat, 316SS Disc & Stem, With Handle
    Save 5% on 5!
    $858.00 / EA
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