Learn how axial flow check valves help reduce check valve slam, reverse flow, pressure surges, and water hammer risk in pump discharge lines, long-distance pipelines, water treatment systems, oil and gas pipelines, power plants, and industrial fluid systems. This guide explains axial disc movement, spring-assisted non-slam closure, low-pressure-drop flow paths, material selection, pump shutdown conditions, surge analysis, installation location, maintenance considerations, and key differences from swing check valves and dual plate check valves.