Aluminum alloy inspection ports refer to openings designed for inspecting, maintaining, and replacing aluminum alloy equipment or components. These ports are typically mounted on the surface of the equipment or components and can be dismantled or replaced with the use of a tool or manual labor.

There are many types of aluminum alloy inspection ports, commonly including rectangular, oval, threaded, socket-welded, and butt-welded inspection ports. Among them, rectangular and oval inspection ports are the most common types, featuring a rectangular or oval opening that can be dismantled or replaced using tools or wrenches.