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    Proportional Valves (Industrial)

    Proportional Valves (Industrial)

    Proportional directional valves with and without onboard electronics


    Our KB family of proportional directional valves with onboard electronics (OBE) features superior reliability and durability, IP67 environmental protection and reduced power consumption. With three performance levels to choose from, you’re sure to find a valve perfectly matched to your application.

    Eaton Vickers proportional directional valves feature superior reliability and durability. With three performance levels to choose from, you’re sure to find a valve perfectly matched to your application.

    Why Eaton prop valves?

    We offer an incredible depth of proportional valves with a variety of features, flow rates and performance levels to meet customer demands in industrial and mobile applications. Eaton Vickers proportional directional valves can help you:

    • Reduce commissioning time through plug-and-play functionality
    • Reduce labor time and costs by minimizing wiring
    • Increase machine uptime
    • Improve productivity and quality
    • Increase automation
    • Enable easier serviceability

    Three performance levels, a world of possibilities

    Our proportional directional valves are available in three performance levels—ultra, high and standard performance—to suit a wide range of application requirements.

    -Ultra performance-

    KSD direct-acting and KHD pilot-operated servo performance valves

    • Single solenoid
    • Spring-offset to power off condition
    • Spool position feedback (pilot- and main-stage spool position feedback)
    • Zero lap spool options
    • Suitable for closed-loop pressure and position control applications
    • Requires dedicated control amplifier

    KBS direct-acting and KBH pilot-operated servo performance valves

    • Single solenoid analog valve
    • Spool goes to 4th position when power is removed (pilot spool goes to 4th position when power is removed)
    • Amplifier has spool position feedback (amplifier has pilot- and main-stage spool position feedback)
    • Zero lap spool options
    • Suitable for closed-loop pressure and position control
    • Requires dedicated control amplifier

    -High performance-

    KFD direct-acting single feedback valve

    • Spool position feedback
    • Suitable for precise speed control and simple closed-loop applications
    • Requires dedicated control amplifier

    KBF direct-acting and pilot-operated single feedback valves

    • Dual solenoid analog valve
    • Spool stays in center position when power is removed (pilot spool stays in center position when power is removed)
    • Amplifier has spool position feedback (amplifier has only main-stage spool position feedback)
    • Consistent valve-to-valve performance
    • No field adjustments required
    • Simple installation and start-up
    • Spool position monitor connection

    -Standard performance

    KDG direct-acting and pilot-operated non-feedback valve

    • No spool position feedback
    • Low-cost valve suitable for shock reduction and simple speed control applications
    • Simple, low-cost electronic requirements

    KBD direct-acting and pilot-operated non-feedback valves

    • Dual solenoid digital valve
    • Spool stays in center position when power is removed (pilot spool stays in center position when power is removed)
    • Amplifier does not have spool position feedback
    • Robust amplifier design
    • Vibration and shock resistant
    • High levels of EMC immunity
    • IP67 qualified
    • Plug-and-play digital electronics with no amplifier-to-valve setup requirements, plus command options, enable function and programmable ramps

    Applications

    • Machine tools
    • Molding
    • Metal forming
    • Primary metals
    • Pulp & paper
    • Wood processing
    • Turbine controls (wind, steam, water, solar)
    • Test and simulation
    • Mobile machinery
    • Oil and gas
    • Marine/offshore
    • Civil engineering

    Enhance your system with proportional valve electronics

    Add precision, speed and accuracy to your industrial proportional valve application with Eaton amplifiers and control cards. These add-ons feature user-friendly front panels with LEDs, so you can easily monitor and adjust card functions. The units provide both voltage and current input signals, with translation to standard, efficient PWM output signals.

    Upgrade to onboard electronics

    Valves with onboard electronics offer a number of advantages, including a factory-matched valve and amplifier, which reduces the possibility of selection and installation errors. Installation and setup is faster and easier, with limited user adjustments and reduced electrical cabinet space requirements. Discover our range of proportional directional valves with onboard electronics.
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