G06F

Medium-controlled manually operated safety valves, made of metal, to protect industrial and boiler systems against impermissible pressure increases; component and replacement parts of the aforesaid goods; water-pipe valves of metal

Valves being parts of machines; pressure reducing valves, mixing valves, overflow valves, by-pass valves, control valves, multi-way valves, safety valves, all the aforesaid goods being parts of machines, for the passage of liquids, gases, solids and vaporous substances

Valves as parts of heating installations, cooking ovens, refrigerating installations, and air conditioners, steam valves, and valves being plumbing fittings; component and replacement parts for the aforesaid goods

Water-pipe valves, not of metal or plastic

Water-pipe valves of plastic