What term refers to the flow rate to which the pump manufacturer certifies compliance when the pump is new?

The term that refers to the flow rate to which the pump manufacturer certifies compliance when the pump is new is known as the rated capacity. This measurement is essential because it indicates the maximum output the pump can deliver under optimal conditions, reflecting the manufacturer's specifications. The rated capacity ensures that users understand the performance limits of the pump, assisting in proper application and functioning.

In contrast, maximum flow rate typically refers to the highest volume of water a pump can theoretically deliver but doesn’t always imply certified performance under specific operating conditions. Peak performance indicates the highest efficiency and output a pump can achieve, which might not always coincide with the rated capacity. Lastly, the safe operating range refers to the conditions under which the pump can operate without risk of damage, which may include various flow rates but does not define the certified capacity of the pump itself.