Terex
Anti-cavitation valve for Terex PT70
This anti-cavitation valve is a hydraulic component for the lift arm control valve assembly on the Terex PT70. It is identified by part number 0403-425.
Parts diagram
Compatible models
Specifications
- Part number
- 0403-425
- Brand
- Terex
The anti-cavitation valve serves as a protective component within the hydraulic control system of the Terex PT70. It is specifically designed for integration into the lift arm control valve assembly, where it manages fluid pressure to prevent the formation of vapor bubbles that occur when internal pressure drops below the fluid vapor pressure. By allowing fluid to return to the low-pressure side of the hydraulic circuit, the valve maintains positive pressure and prevents the violent collapse of bubbles that leads to component erosion.
This valve is compatible with the Terex PT70 model. It functions to protect the hydraulic cylinders and the main pump from damage during rapid movements or when the machine handles heavy loads. By ensuring a consistent and uninterrupted flow of hydraulic fluid, the valve supports the operational integrity of the lift arm system.
Anti-cavitation valves are used in heavy machinery to protect hydraulic circuits from the destructive effects of cavitation. They act as a safeguard for pumps, motors, and cylinders by ensuring that the hydraulic system remains pressurized during transient states, thereby preventing the physical damage associated with pressure drops in the fluid lines.

