Demag
Spool directional valve for Demag AC80-1
This spool directional valve manages the flow of hydraulic oil to the actuators on the Demag AC80-1 crane. It enables precise operator control over movements such as boom extension, slewing, and lifting.
Parts diagram
Compatible models
Specifications
- Part number
- 256 425 40
- Brand
- Demag
The spool directional valve, part number 256 425 40, is a hydraulic component designed for the Demag AC80-1 crane. Its primary function is to regulate the direction of hydraulic oil flow to and from cylinders and hydraulic motors. By shifting the internal spool, the valve directs fluid to specific ports, allowing the operator to manage essential crane functions including boom extension, lifting, slewing, and outrigger deployment.
This component is engineered for the Demag AC80-1 all-terrain crane. It maintains the hydraulic system's integrity by managing fluid distribution under operating pressures, which facilitates smooth and responsive machine movement. Proper operation of this valve is necessary to ensure that the hydraulic system functions as intended during daily site operations.
Directional control valves of this type serve as the interface between the operator's inputs and the machine's hydraulic actuators. By switching the flow path of the hydraulic medium, these valves dictate the sequence and speed of various crane operations. Ensuring that these valves remain free of internal leakage is important for maintaining the pressure levels required for stable and controlled crane performance.