CPV code 42120000 designates Pumps and compressors in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
42120000 sits under 42100000 (Machinery for the production and use of mechanical power) and groups 4 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.