Crane grab is a essential part for lifting bulk materials. It is have different type based on Individual applications. Mainly there are two types, hydraulic grab and mechanical grab. The hydraulic grab has hydraulic power and control system itself, and the hydraulic power system is imported from Europe and USA. The grab uses constant output pump and servo system. The flow of pump can change by itself according to working pressure. When the pressure reaches the max pressure, the flow is almost zero, so it can reduce the overflow, and reduce the temperature rise of oil.
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