31711400 - Valves and tubes

CPV code 31711400 in the EU Common Procurement Vocabulary refers to Valves and tubes. It sits at level 5 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31711000, narrowing the broader category into the specific area of valves and tubes. It is further divided into 9 direct sub-codes such as 31711410, 31711411, 31711420, each refining the scope of valves and tubes into more specific goods, services or works. Contracting authorities across the EU use 31711400 in TED notices and national procurement portals to signal that a tender relates to valves and tubes.