INTERNAL TANK PIPELINE AND TANK WITH AT LEAST ONE INTERNAL PIPELINE

Tank internal tubing, in particular in fuel tanks of motor vehicles, wherein the tubing has a fluid channel surrounded by a tube wall. The tube wall consists of at least three layers, wherein an outer layer is provided on the basis of an aromatic polyamide. An intermediate layer based on polyamide is present and an inner layer is provided on the basis of an aromatic polyamide. The total wall thickness of the tubing amounts to 0.5 mm to 3.5 mm.