Hydraulic system of industrial truck, has priority valve that is assigned to delivery side of hydraulic pump, and structural unit having pressure limiting device by which pressure between hydraulic pump and priority valve is secured

摘要

The system (1) has a working hydraulic system (3) and a hydraulic pump (2) for supplying the fluid to a hydraulic steering device (4). A priority valve (10) is assigned to a delivery side (6) of the hydraulic pump. The priority valve is connected to the hydraulic pump by forming a structural unit (20). The structural unit is provided with a pressure limiting device (30) by which pressure between the hydraulic pump and the priority valve is secured.