What is the maximum flow velocity allowed for a potable water supply line in this context?

The maximum flow velocity allowed for a potable water supply line is critical for ensuring the safety and efficiency of the plumbing system. In this context, a flow velocity of 4 feet per second (FPS) is considered appropriate. This limit helps to avoid potential issues such as water hammer, pipe erosion, and excessive noise, which can occur at higher velocities. Profound knowledge of plumbing codes and standards indicates that regulating flow velocity is essential for the durability and reliability of water supply lines, ensuring that the system operates efficiently without compromising water quality or structural integrity.

Maintaining a maximum flow velocity of 4 FPS balances the requirements for sufficient water delivery with the precautions needed to protect the plumbing infrastructure. This standard is also consistent with industry practices that prioritize safe drinking water and the longevity of plumbing systems.