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In genere, hydraulic piston pumps in this class are designed to operate at maximum pressures ranging from 250 sbarra (25 MPA) A 400 sbarra (40 MPA). The "2730" in the model number might be related to the pressure rating, and it's possible that this pump has a maximum pressure capacity around 273 sbarra (27.3 MPA), which is within the common range for such pumps used in industrial and mobile hydraulic systems.
