Terex
Port relief valve for Terex PT50
This port relief valve is designed for the hydraulic control system of the Terex PT50. It maintains system integrity by regulating fluid pressure at 3000 PSI.
Parts diagram
Compatible models
Specifications
- Part number
- 0201-557
- Brand
- Terex
The port relief valve manages hydraulic pressure within the control system of the Terex PT50. By monitoring the pressure levels at specific ports, this component ensures that the hydraulic circuit remains within its designated operating parameters. When pressure exceeds the 3000 PSI threshold, the valve opens to divert excess fluid, which protects downstream components such as pumps, cylinders, and hoses from potential over-pressurization damage.
This part is compatible with Terex PT50 models featuring serial numbers DTC 03056 through 03610. It is calibrated to a pressure setting of 3000 PSI to match the specific requirements of the hydraulic system on this machine. The valve serves as a safety mechanism to prevent pressure spikes that could otherwise compromise the structural or functional integrity of the hydraulic lines and actuators.
Relief valves are used throughout hydraulic systems to provide a controlled path for fluid when pressure limits are reached. By automatically responding to pressure fluctuations, these valves help maintain the stability of the hydraulic circuit during operation. This ensures that the machinery functions within the manufacturer-defined safety limits for hydraulic force and flow.

