Parker Hannifin 01.122RLP91.000 Pressure Relief Valve

Parker Hannifin 01.122RLP91.000 Pressure Relief Valve is a dedicated component that protects pressurized systems by venting fluid when the operating pressure exceeds its set point. The part number 01.122RLP91.000 uniquely identifies this unit within Parker's relief-valve lineup, supporting correct selection, replacement, and compatibility with Parker-manufactured manifolds and hydraulic assemblies. By limiting peak pressures, it helps safeguard pumps, actuators, hoses, seals, and other components from overpressure conditions. Exact specifications such as set pressure, port size, materials, and mounting configuration are defined in Parker's technical documentation for this part.