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Effect of Material on Defects in Cast Valve Body

The drawing shows the shrinkage pore distribution of a series of hydraulic valves made of steel-304 stainless steel with casting temperature of 1700C. It can be seen from the drawing that the maximum porosity is 75.8%. By contrast, when the casting material is nodular cast iron QT500-7, the volume...

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Working Principle of Cast Multiplex Valve for Loader

The figure shows the integral multi-way valve used in the loader. Besides the main valve body, it also includes two main spools and several auxiliary elements, which control the working circuit of the boom lifting hydraulic cylinder and the bucket hydraulic cylinder.It can be seen from the diagram that...

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