Fittings of metal for connecting pipes and tubes; pipes of metal; nuts of metal; metal seals; parts, fittings and accessories thereof

Connecting pieces, accessories and apparatus for water supply, air conditioning, heating, ventilation, gas and water installations; valves as parts of heating, plumbing, refrigeration and sanitary installations; parts, components and accessories for the aforesaid goods, included in this class, except thermostatic units and thermostatic valves