Предохранительный клапан Caterpillar 5139222

The Pressure Relief Valve in an engine oil pump is designed to prevent excessive oil pressure from building up in the lubrication system. When the oil pressure exceeds a predetermined threshold, the valve opens to allow a controlled amount of oil to bypass the pump and return to the oil sump. This helps maintain optimal oil pressure levels throughout the engine, ensuring proper lubrication of engine components while preventing damage from excessive pressure.Attributes• Resistant to wear and corrosion.• Features tight seals to minimize fluid leakage.• Maintains optimal oil pressure levels within the engine under varying operating conditions.Applications: The Pressure Relief Valve is used in the engine oil pump to regulate oil pressure within the engine's lubrication system to prevent excessive oil pressure from causing damage to engine components by diverting excess oil flow back.