What is the maximum efficiency that you can expect from a new gear pump?

The performance of gear pumps is characterized by their mechanical and volumetric efficiency. A new gear pump, when designed and manufactured under optimal conditions, can deliver a maximum efficiency around 85%. This efficiency reflects how effectively the pump converts the mechanical energy supplied to it into hydraulic energy, factoring in losses due to internal friction and leakage.

Gear pumps are generally known for their reliability and high efficiency, particularly when they are in good condition and free of wear. The design of the gears allows for efficient fluid transfer with minimal slip between the gear teeth and the housing, which is crucial for achieving high efficiency.

In the context of the available choices, 85% represents a realistic expectation for a well-engineered new gear pump. While there are pumps that might claim higher efficiencies in specific applications or under specific conditions, 85% is a solid industry standard for new gear pumps operating correctly.