Products/Services for Ocv Control Valve

  • Valve Actuators-Image
    Valve Actuators - (872 companies)
    ...valve actuators come permanently lubricated and will operate best with instrument-quality air. They can also be packaged with position sensing equipment, digital communication capacity and motor protection. Valve Method of Control and Function. Valve...
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  • Valve Positioners-Image
    Valve Positioners - (200 companies)
    Valve positioners compare a control signal to a valve actuator 's position and move the actuator accordingly. They are used with both linear valves and rotary valves. Valve positioners compare a control signal to a valve actuator's position and move...
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  • Electrohydraulic Valve Actuators and Hydraulic Valve Actuators-Image
    Electrohydraulic Valve Actuators and Hydraulic Valve Actuators - (140 companies)
    ...a disc or ellipse which turns about an angular shaft. Linear hydraulic valve actuators -- Linear actuators move linear valves such as gate, globe, diaphragm, and pinch valves by sliding a stem that controls the closure element. Valve Function...
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  • Pneumatic Valve Actuators-Image
    Pneumatic Valve Actuators - (431 companies)
    ...to-extend). The advantages of pneumatic valve actuators are that they are strong, light, simple, and fast. The disadvantage is that precise position control is not possible except at full stops. Types of Valve Actuators. Each type of actuator is designed...
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  • Control Valves-Image
    Control Valves - (1695 companies)
    Control valves or proportional valves are power-operated devices used to modify fluid flow or pressure rate in a process system. Control valves are power-operated devices used to automatically modify fluid flow or rate pressure in a process system...
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    Valve Repair Machines - (12 companies)
    Valve repair machines are used to machine valve seats and faces on gate, globe, check, ball, safety, and control valves. Portable, or in-line, machines are used for on-site repairs (primarily grinding and lapping) while the valve is on-site or still...
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    Valve Position Indicators - (67 companies)
    ...indicator. Three-way, four-way, 120 , and 180 indicators provide more control over the valve's indicatedposition. Image Credit: Marwin Valve. Continuous indication provides a full range of valve position. Pole and Throw. There are several different pole...
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    Manual Valve Actuators - (103 companies)
    ...manual valve actuators use worm gears, mechanical devices that transmit motion between non-intersecting right-angle axes. Globe valve controlled by a manual actuator. Video Credit: fbvalve. The advantage of using a manual valve actuator...
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    Electric Valve Actuators - (411 companies)
    ...rotary valve actuators drive components rotationally via electromagnetic power from a motor. They often provide control and indexing capabilities to allow multiple position stops along strokes. Rotary electric valve actuators include an electrical...
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    Control Knobs - (112 companies)
    Control knobs are used for the control or adjustment of electronic or electrical devices. They are often referred to as instrument knobs, electronic knobs, or electrical knobs. Control knobs provide machines or instruments with precise position...
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