What is the typical diameter of tank-to-pump lines?

The typical diameter of tank-to-pump lines is 4 inches, primarily because this size strikes a balance between sufficient flow capacity and manageable installation dimensions. A 4-inch diameter allows for a high volume of water to be transferred quickly from the tank to the pump, which is crucial in mobile water supply systems, especially in emergency situations where rapid deployment and flow are essential.

Using larger diameters, such as 5 inches, may lead to unnecessary weight and bulk, making it more cumbersome to manage and install. Conversely, smaller diameters, like 2 or 3 inches, may result in inadequate flow rates, which could hinder the effectiveness of the water supply during critical operations. Thus, 4 inches is the standard that meets the demands of the system while ensuring efficiency in both the flow and system design.