Titanium Plug Valve

plug valve
Robinet a boisseau conique
Plug valves are valves with cylindrical or conically-tapered "plugs" which can be rotated inside the valve body to control flow through the valve.
A valve with a revolving plug with an opening to permit passage of liquid when the opening is alined with the bore of the pipe.

titanium
The chemical element of atomic number 22, a hard silver-gray metal of the transition series, used in strong, light, corrosion-resistant alloys
a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
(Say: tie - tayne - ee - um) - An exotic and expensive metal frame material that's super light, lively riding and ultra durable.
Titanium ( ) is a chemical element with the symbol Ti and atomic number 22. Sometimes called the "space age metal", it has a low density and is a strong, lustrous, corrosion-resistant (including sea water, aqua regia and chlorine) transition metal with a silver color.