[ Metal tubes, metal pipes, and ] metal junctions for pipes, metal valves not being parts of machines, [ metal screws, ] metal flanges, metal pipe clips, metal closures for pipes and tubes; metal pipe fittings; metal exhaust silencers for reducing the sound produced by control valves not being parts of machines in a fluid distribution installation

Valves and fittings for fluid distribution installations, namely, valves and cocks for pipes, faucets; pressure regulators for use in industrial installations and in food and beverage dispensing installations

Plastic tubes for conveying fluids; flexible plastic pipes for conveying fluids; pipe junctions of plastic for fluid distribution installations; seals made of elastomer for use in pipe connections and tube connections in fluid distribution installations, sealing rings made of elastomer for use as connection seals; exhaust silencers made of plastic for reducing the sound produced by control valves not being parts of machines in a liquid or gas fluid distribution installation