6
Mechanical fittings of metal for use in industrial installations, in particular non-return valves, quick-closing valves, Shut-off valves, Butterfly valves, Louvre dampers, Blocking dampers, impeller wheel conveyors, flap valves, Valves, Knife gate valves, Dosing sliders, Gate valves; Mechanical actuators of metal for use in industrial installations
7
Engines and motors, other than for land vehicles; Pneumatically and hydraulically operated fittings for use in industrial installations or being parts of machines, in particular non-return valves, quick-closing valves, Shut-off valves, Butterfly valves, Blinds, blocking dampers, impeller wheel conveyors, flap valves, Valves, Shutter valves, Dosing sliders, Slide valves; Pneumatically and hydraulically operated actuators for valves; Electric actuators; Electric fittings for use in industrial installations or being parts of machines, namely ball valves, Non-return valves, Quick-closing valves, Shut-off valves, Butterfly valves, Blinds, blocking dampers, impeller wheel conveyors, flap valves, All the aforesaid goods of metal
9
Electric controllers for automatic fittings; Electric or electronic controllers for operating machines or motors and engines
20
Fittings, not of metal, for use in industrial installations, in particular ball valves, Non-return valves, Quick-closing valves, Shut-off valves, Butterfly valves, Jalousie shutters, Blocking dampers, impeller wheel conveyors, flap valves, Valves, Shutter valves, Dosing sliders, Sliding valves; Parts for the aforesaid goods