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For a nozzle and an eductor to function correctly together, they must have the same flow rating. The flow rating defines the volume of water that can be delivered through the nozzle and also influences how the eductor can draw in and mix with any adjunct materials, such as foam concentrate. When the flow ratings match, it ensures that the eductor can effectively utilize the water that's being discharged through the nozzle for optimal performance, allowing for proper mixing and application.
If the flow rating between the two components were mismatched, it could lead to inadequate or excessive flow, resulting in inefficiencies in the firefighting operation. Such discrepancies can cause poor foam quality or insufficient delivery of water to the target area.
Maintaining the correct flow rating aligns both components in their functioning, ensuring effective firefighting and emergency response operations.