Tank relief valve for Terex PT70

The tank relief valve is a component within the radiator and oil cooler assembly of the Terex PT70 machine. It is designed to manage internal pressure by relieving excess buildup that can occur during operation. By maintaining the system pressure within a specific range of 0 to 3 PSI, this valve helps prevent potential damage to hoses, seals, and the cooling unit itself. The integrated O-ring ensures a seal to prevent fluid leakage under normal operating conditions.

This component is compatible with the Terex PT70, specifically for units with serial numbers DTH 00682 and later. It is identified by part number 0201-154. The actual manufacturer for this component is Terex. Proper function of this valve is necessary to support the cooling and lubrication systems, which are vital for the thermal management of the engine.

Relief valves of this type serve as a safety mechanism in pressurized fluid systems. By venting excess pressure, they protect the structural components of the cooling circuit from failure due to over-pressurization, ensuring the system remains within its design parameters during heavy use.