Grove
Thermal relief valve for Grove RT700E
This thermal relief valve is designed for the Grove RT700E rough-terrain crane. It is calibrated to a pressure setting of 3800 PSI and includes seal kit 9926112041.
Compatible models
Specifications
- Part number
- 9926112039
- Brand
- Grove
The thermal relief valve 9926112039 protects hydraulic systems by managing pressure increases caused by fluid thermal expansion. As hydraulic oil heats up, its volume increases, which can lead to dangerous pressure spikes in closed circuits. This valve is calibrated to open at 3800 PSI to release excess pressure and prevent damage to hoses, pumps, and actuators. It includes seal kit 9926112041 to ensure proper sealing and operational integrity.
This component is compatible with the Grove RT700E rough-terrain crane. It is typically installed in critical areas of the hydraulic circuit, such as near cylinders or the hydraulic tank, where thermal pressure accumulation is most likely to occur. The valve functions by utilizing an internal spring and seat mechanism that opens when the pressure threshold is reached, allowing the system to maintain safe operating levels.
Thermal relief valves act as a safety mechanism in heavy machinery hydraulic systems. By automatically venting pressure caused by temperature fluctuations, they prevent the over-pressurization of sealed hydraulic lines and components, which helps maintain the overall health of the machine's hydraulic infrastructure.

