CPV code 44160000 designates Pipeline, piping, pipes, casing, tubing and related items in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
44160000 sits under 44100000 (Construction materials and associated items) and groups 7 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.