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main oil pump 102

The main oil pump 102 is a critical component in heavy-duty diesel engines, responsible for maintaining oil pressure and circulation throughout engine passages. It is typically designed as an internal gear or rotary type and manufactured with high-precision machining. The housing is made from alloy cast iron with a tensile strength above 400 MPa, ensuring excellent resistance against wear and oil pressure. Standard operating pressure ranges between 3 and 6 bar, with the capability to handle oil temperatures up to 120 degrees Celsius.

This oil pump is equipped with an internal relief valve that regulates oil flow when excessive pressure occurs, preventing engine damage. The output flow rate varies between 30 and 80 liters per minute depending on engine speed. Precisely engineered gears with axial clearance below 0.05 millimeters guarantee smooth and vibration-free operation. The estimated service life of the main oil pump 102 under standard working conditions exceeds 10,000 operating hours, ensuring long-term reliability.
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