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Pression nominale: The rated pressure of this pump is usually around 150 – 200 bar (15 – 20 MPa). This pressure rating is designed to drive the fan with enough force to ensure proper cooling of the relevant components in the Komatsu D65 bulldozer. Since it is a fan pump and not directly involved in heavy-duty hydraulic operations like lifting or pushing, the pressure requirement is relatively lower compared to main hydraulic pumps.
Pression maximale: The maximum pressure that the pump can withstand for short periods is typically higher than the rated pressure, often reaching up to 250 bar (25 MPa) or more. This additional pressure capacity allows the pump to handle sudden surges or increased load demands that may occur during the operation of the cooling system, such as when the engine is under heavy load and generates more heat.
