A pump with a rated capacity of 3,000 gpm (11,335 L/min) should have what size...

A pump with a rated capacity of 3,000 gpm should be equipped with a circulation relief valve sized at least 1.5 in. This size helps manage excess pressure and flow within the pump system, ensuring stability and preventing damage.

References: Pump design and safety standards, which specify relief valve requirements based on pump capacity and system pressures.