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    D03/NG06 (Standard Control) Proportional Valves

    D03/NG06 (Standard Control) Proportional Valves

    D03/NG06 (Standard Control) Proportional Valves

    KBD/TG4V-3, 1* Series - Pressures to 350 bar (5000 psi)

    VickersTM KB*G4V-3 proportional valves are designed to provide controlled oil flow in proportion to an electrical command signal. They are available in two versions. Firstly a double solenoid version that will provide reversible flow and return to an actuator. Secondly a single solenoid version that provides a single direction of flow. The KB* valve incorporates an integral control amplifier. Factory set adjustments for gain, spool deadband compensation and dither ensure excellent reproducibility valve-to-valve.

    Electrical connection is via a standard 7-pin plug and requires a power supply and command signal which can be either voltage or current (model code option).

    In addition to improving machine performance and life, the KB* proportional valves substantially simplify system design by combining direction and flow capabilities in one single package that mounts onto a standard ISO 4401 interface.

    New Features and Benefits

    • State of the art digital electronic technology
    • Rugged and robust die-cast housing
    • Optional voltage (+/-10 volt) or current (4-20 mA) demand input
    • Adjustable ramp (0-12 sec)
    • Wide range of supply voltage
    • Optional external enable feature
    • IP67 environmental protection
    • Full CE electromagnetic capability to EN 50081-2 and EN 50082-2
    • Vibration and shock tested

    Standard Features and Benefits

    • Factory adjusted to ensure excellent valve-tovalve reproducibility
    • Installation wiring reduced and simplified
    • Wide range of spool and flow rate options
    • Simple valve removal and replacement for service i.e. plug and play
    • Standard 7-pin connector
    • 350 bar (5000 psi) pressure rating
    • Supported by auxiliary function electronic modules

    KDG4V-3S and KTG4V-3S series - Pressures to 350 bar (5075 psi)

    KDG and KTG Valves

    Vickers KDG and KTG valves are non-feedback type proportional valves.

    The KDG is a proportional directional valve with two solenoids (C models). It incorporates control of flow, direction, acceleration, and deceleration in a single control valve.

    The KTG is a proportional throttle valve with a single solenoid. B models are spring centered with solenoid A removed. F models are spring offset to port A and respond to an increasing signal by reducing the flow rate. The KTG’s spool can be infinitely positioned to achieve throttling (restriction) of the fluid flow.

    The primary function of these valves is to direct and meter fluid flow in proportion to current received by the solenoid. This fluid flow controls the velocity, direction, and acceleration or deceleration of a work cylinder or fluid motor.

    Features and Benefits

    • These global products, manufactured to world-class quality standards, are sold and serviced throughout the world.
    • KDG4V and KTG4V valves have a low installed cost due to commonality of parts with Vickers DG4V-3(S) solenoid operated directional valve.
    • These valves open up expanded application opportunities as a cost-effective alternative to feedback-type proportional and servo valves.
    • Sustained high machine productivity and uptime result from the proven  fatigue life and endurance of reliable KDG4V and KTG4V valves.
    • Vickers flexible design approach provides optimum performance. A wide variety of matching electronic amplifiers, valve options, and spool ratings allows the system designer flexibility in meeting application requirements.
    • All valves are NFPA fatigue rated at 350 bar (5075 psi) for improved reliability and performance.
    • The fully encapsulated solenoid coils are impervious to common industrial fluids. Coils can be removed and replaced quickly and easily without breaking into the hydraulic envelope.
    • The valves’ standard ISO 4401-03 mounting is interchangeable with any NFPA D03 or CETOP 3 interface.
    • The engineering resin junction box is NEMA 4 rated for resistance to water and all commonly used industrial fluids.

    Advantages of KADG and KATG valves with integral amplifier:

    • Factory-sealed adjustments for increased valve-to-valve accuracy and simplified system set-up
    • Valve and amplfier selected, ordered, delivered and installed as a performance-tested package
    • Installation wiring reduced and simplified
    • Simplified valve removal and replacement

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