6
Industrial valves, gate, globe, check, ball, and butterfly valves in cast or forged carbon steel, steel alloy or stainless steel, knife gate valves, cryogenic valves, Y-pattern bonnetless globe valves, bellows seal valves, parallel slide valves, pressure seal valves, bolted bonnet valves, power reformer valves, resilient seated ball valves, metal seated ball valves, general purpose ball valves, digester capping valves, and delayed coker valves; pipes and tubes of metal
7
Valves for machines, engines and machine tools, valves for machine coupling and transmission components, all except for land vehicles
11
Apparatus for heating, steam generating, refrigerating, drying, ventilating, water supply and sanitary purposes, as well as their parts, heating dampers, control valves of levels in tanks, thermostatic valves, valves as control and safety accessories for water or gas appliances and for water or gas lines
37
Installation, maintenance and repair of valves; information on the installation, maintenance and repair of valves
40
Services of custom manufacturing of valves to industry standards (commodity valves), services of custom manufacturing of valves to various customer specifications (special valves)
42
Scientific and technological services and research and design relating thereto, in particular in the fields of valves according to industry standards (commodity valves) and of valves according to various customer specifications (special valves)