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Hydraulic pump | Cylinder block | Press pin | Valve plate | Barrel washer |
Piston motor | Piston shoe | Snap ring | Shoe plate | Oil seal |
Piston pump | Retainer plate | Coil spring | Bearing plate | Frication plate |
Gear pump | Ball guide | Disk spring | Swash plate | Steel plate |
Type WE control valves are solenoid operated directional spool valves. They control the start, stop and direction of a flow. These directional valves basically consist of a housing (1), one or two solenoids (2), a control spool (3) as well as one or two return springs (4). In the inactive condition, the control spool (3) is held in the central or initial position by return springs (4) (except for detent spools). Control spool (3) is actuated by wet-pin solenoids (2). The force of solenoid (2) acts via plunger (5) on control spool (3) and shifts it from it´s initial position to the required end position. This enables the required direction of flow, P to A and B to T or P to B and A to T. After solenoid (2) is de-energized, control spool (3) is again pushed to it´s initial position by return spring (4). Manual override (6) allows control spool (3) to be moved without energizing the solenoid. |








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