Hold valve for Terex machinery

The hold valve with part number 7170849 is a hydraulic component engineered to maintain the position of a hydraulic cylinder or motor under load. It functions by blocking fluid flow in one direction until pilot pressure is applied, which prevents unintended movement or the descent of a suspended load. This component serves as a safety element in hydraulic circuits where maintaining a fixed position is required.

This part is designed for use in Terex equipment, including mobile cranes and construction machinery. It is typically integrated into the circuits for boom cylinders, outriggers, or leveling systems to ensure load stability. The valve operates as a cartridge or seat-type unit that closes automatically when pilot pressure ceases or when the load attempts to move the cylinder.

Hold valves are essential in hydraulic systems to manage fluid flow and pressure, ensuring that actuators remain stationary when the control valve is in the neutral position. By preventing drift in cylinders under load, these valves contribute to the operational control of the machine's lifting and positioning systems.