Terex
Counterbalance valve for Terex RT7780
This counterbalance valve is designed for the Terex RT7780 rough-terrain crane to manage hydraulic cylinder movement. It is identified by part number 218050.
Compatible models
Specifications
- Part number
- 218050
- Brand
- Terex
The counterbalance valve manages the movement of hydraulic cylinders on the Terex RT7780 rough-terrain crane. By controlling the flow of hydraulic fluid, it ensures that cylinders supporting suspended loads or subject to external forces remain stable during operation. This component prevents uncontrolled movement of the cylinder if there is a loss of pressure in the hydraulic line or if external forces act upon the load. It maintains the cylinder position until the system applies the necessary pilot pressure to initiate movement.
This specific component is compatible with the Terex RT7780 crane model. It is engineered to integrate into the machine's hydraulic system to provide controlled and modulated movement of critical assemblies such as the boom or outriggers. By creating backpressure in the return line, the valve allows for precise operation during lifting tasks, which is necessary for maintaining stability and control when handling heavy loads in various site conditions.
Counterbalance valves typically incorporate a check valve to allow free flow in one direction and a relief valve to regulate flow in the opposite direction. These valves are essential for safety, as they prevent the sudden retraction or dropping of a boom or load due to gravity or system failure. Proper function of this hydraulic component is required for the safe operation of the crane's lifting systems.

