Tags: flapper-nozzle valve

Four-way Flapper-nozzle Control Valve

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Four-way Flapper-nozzle Control Valve

The four-way flapper-nozzle valve has two identical hydraulic circuits, one supplies flow and pressure to one side of an actuator, the other circuit supplies the hydraulic fluid to the other side of the actuator. In other words l the valve provides proportional push-pull control to the actuator. The common point of the two circuits is …

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Three-way Flapper-nozzle Control Valve

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Three-way Flapper-nozzle Control Valve

The flapper-nozzle valve has certain mechanical design advantages mainly the simpler construction and the feature of no close-clearance sliding parts as compared to the spool-type valves. However, flapper nozzle valves must be very .accurately designed to provide characteristics which exactly suit the requirements of a particular application. Figure 1.24 shows a three-way flapper-nozzle control valve. …

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