What type of API pump is used as fueling pumps in the Type 3 system?

The correct answer identifies the 610 series pump specifically designed for Type 3 fuel systems. API 610 pumps are standard centrifugal pumps commonly used in the oil and gas industry for various applications, including fueling systems. The specification "600 gpm" indicates a maximum flow rate which is suitable for the operational requirements of Type 3 systems.

In the context of fueling operations, the choice of pump is critical because it must meet specific flow and pressure requirements to ensure efficient and safe fueling processes. The 610 series is recognized for its reliability and suitability in dynamic environments where continuous operation is necessary.

While there are other options, such as the 1200 gpm versions, they exceed the typical flow requirements of Type 3 systems, which would not be optimal or necessary for such applications. The 1581 series pumps, although they have their own designated use cases, are generally not as common for the specific fueling functions described in the context of Type 3 systems. Therefore, the selection of the 610 600 gpm pump aligns perfectly with the operational needs and standards defined for fueling systems within that classification.