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Jamesbury™ Quadra-Powr™ Spring Diaphragm Quarter Turn Actuators, QPX Series

For use in both modulating control and on-off service


Jamesbury spring diaphragm QPX series quarter turn actuators are designed for use in both modulating control and on-off service. These actuators offer an exceptionally long cycle life and are well suited to operate almost any type of rotary valve. QPX actuator is designed for smooth and efficient quarter-turn valve operation and it provides safe and reliable operation even when minimal supply pressure is available.

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QPX Series

16 items

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  • QPX5C/K40 Jamesbury QPX Series Quadra-Powr Spring Diaphragm Turn Actuator
    QPX5C/K40 Jamesbury QPX Series Quadra-Powr Spring Diaphragm Turn Actuator, 4.1 bar / 60 psi (standard)
    QPX5C/K40

    Jamesbury

    Product Type: Spring Diaphragm Actuators

    Jamesbury QPX Series Quadra-Powr Spring Diaphragm Turn Actuator, 4.1 bar / 60 psi (standard), 40mm Keyed Female Drive.
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    QPX4B/MC Jamesbury QPX4 B spring MOD C
    QPX4B/MC

    Jamesbury

    Product Type: Spring Diaphragm Actuators

    Jamesbury QPX4 B spring MOD C
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    QPX4C/K40C Jamesbury Actuator PA size 4 229 lb/ft
    QPX4C/K40C

    Jamesbury

    Product Type: Spring Diaphragm Actuators

    Jamesbury Actuator PA size 4 229 lb/ft
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    QPX5D/MC Jamesbury QPX MOD C 376 ft-lbs
    QPX5D/MC

    Jamesbury

    Product Type: Spring Diaphragm Actuators

    Jamesbury QPX MOD C 376 ft-lbs
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    QPX3B/MC Jamesbury PA SR Size 3 76ft.lbs. at 40psi
    QPX3B/MC

    Jamesbury

    Product Type: Spring Diaphragm Actuators

    Jamesbury PA SR Size 3 76ft.lbs. at 40psi
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    QPX2B/MC Jamesbury Actuator PA 38ft/lbs 40 psig
    QPX2B/MC

    Jamesbury

    Product Type: Spring Diaphragm Actuators

    Jamesbury Actuator PA 38ft/lbs 40 psig.
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    QPX5C/K40C Jamesbury Actuator PA DPH size 5 458lb/ft 60psi
    QPX5C/K40C

    Jamesbury

    Product Type: Spring Diaphragm Actuators

    Jamesbury Quadra-Powr X Spring-Diaphragm Rotaty Actuator, Mod C, size 5 producing 458lb-ft @ 60psi, 40mm keyed female drive, without handwheel. Interchangeable with old models, use same linkage and repair kits.
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