Cartridge Valves

VPR22 single pilot operated Check valve

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Pilot operated check valve single effect, metric cartridge M22x1,5 execution


The VPR22 PO check valves are used to maintain an actuator in its working position until the valve is released by hydraulic control.

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The task of pilot operated check valves is to avoid unwanted movements of a hydraulic actuator caused by its workload. A typical application is the sustenance in his working position of an arm of an agricultural machine. The release of the movement is possible by feeding the hydraulic pilot line that opens the valve. They are preferred to the overcenter valves when there is no need for control over the movement of the actuator. The VPR22 are single block valves. When applied to a double effect cylinder, they lock it in place on one side only. The cartridge valve VPR22 can be installed inside 3-way metric cavities with thread M22x1,5, for recommended working flow up to 50 l/min. The maximum working pressure is 350 bar. All the valve components are made of high-strength steel and the external components are protected from the action of corrosive agents by zinc plating treatment.
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