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Detailed structure and explanatory notes

ISIC Rev.3 code 2912


Changes have been made to the original printed version. Check the Registry for details.
Last change: 4/9/1996


  • Tabulation Category: D - Manufacturing
  • Division: 29 - Manufacture of machinery and equipment n.e.c.
  • Group: 291 - Manufacture of general purpose machinery
  • Class: 2912 - Manufacture of pumps, compressors, taps and valves

Explanatory note

This class includes manufacture of:
- hydraulic power engines and motors which consist of powerful pumps.
- pumps for liquids whether or not fitted with measuring devices including hand pumps and pumps designed for fitting to internal combustion piston engines, concrete pumps and others.
- air or vacuum pumps, air or other gas compressors.
- taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like including pressure reducing valves and thermostatically controlled valves.

Exclusions: Manufacture of taps, cocks, valves and similar appliances made of unhardened vulcanized rubber, ceramic materials or of glass is classified according to material in class 2519 (Manufacture of other rubber products), 2691 (Manufacture of non-structural non-refractory ceramic ware) and 2610 (Manufacture of glass and glass products), respectively.
Manufacture of household type fans, including floor fans, is classified in class 2930 (Manufacture of domestic appliances n.e.c.).
Manufacture of machine parts known as valves is generally classified in the same place as the machine, e.g. manufacture of inlet and exhaust valves of internal combustion engines for aircraft is classified in class 3530 (Manufacture of aircraft and spacecraft).
Manufacture of compressors for refrigeration is classified in class 2919 (Manufacture of other general purpose machinery).

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