The Allegheny T40279B is a 3-inch aluminum long radius belled tee for tank trailer piping applications. This Tube-Flow style fitting features belled ends that provide better piping alignment and faster installation compared to traditional butt-welded fittings. Constructed from aluminum with a 4.5-inch long radius, the T40279B offers a lightweight yet durable solution for creating branch connections in tank trailer piping systems.