Pressure Compensated Flow Control Valves FR032010

Parker offers a wide range of pressure compensated flow controls for applications that demand constant flow with varying loads and pressures. Pressures as high as 6000 PSI (420 Bar) and flows to 10 GPM (40 LPM) are achievable in a single common cavity.

Parker offers a wide range of spool type restrictive pressure compensated flow controls to allow for speed control of motors, cylinders, and rotary actuators. Pressure compensation allows the flow devices to maintain a constant flow even with varying loads and inlet pressures. Tunable and fully adjustable versions are available with screw or knob adjusters that can be made tamper resistant with the addition of an optional cap.

FR101 is a tunable pressure compensated flow regulator which compensates for varying loads and pressures in one direction but in the other direction flow is metered across a fixed orifice but not compensated. In order to allow pressure compensated flow control in one direction and full free flow in the opposite direction, Parker offers an internal check valve in the tunable FC101 cartridge. Because both versions are tunable and not fully adjustable, the valve will need to be specified with the appropriate flow range for the application. Changes in flow rates are achieved by mechanically varying the spring force acting on a spool that has a fixed orifice and metering compensator.

J02E2, J04C2, and J04E2 are fully adjustable pressure compensated flow regulators. In the opposite flow direction they only meter through a fixed orifice and do not compensate. In order to achieve fully adjustable pressure compensated flow control while allowing reverse full flow, the FA101 includes an internal check valve to bypass the compensator and metering orifice.

Typical applications and industries include Accumulator Bleed-off, Motor Speed Control, Cylinder Speed Control, Bleed-Off Flow, Power Units, Oil and Gas, Material Handling, Construction, Drills, Presses, Mixers, Agriculture, Balers, Combines, etc.

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