The new Sharktooth provides excellent throttling characteristics, plus aerodynamic noise attenuation, and liquid cavitation reductions. An innovative Control Cartridge is used to turn triple eccentric butterfly valves into control valves with exceptional control characteristics, as well as Class IV, V, or VI metal-to-metal, fire safe shut-off. They are readily available in carbon steel, stainless steel and special alloys for liquids, gasses, and steam at temperatures from cryogenic up to 850F in 150, 300 and 600 ANSI pressure classes, from 3 in through 48 in, with a wide choice of actuators and control accessories.