Metso’s Neles® series D is a trunnion mounted ball valve incorporates Metso’s several decade experience of metal-to-metal seat technology, application based seat selection and overall robust construction. Equipped with Metso B1 series actuator and VG9000 intelligent safety solenoid the valve assembly delivers high availability in demanding safety valve applications. For control applications valves can be equipped with top of the line Metso Q-trim® ball valve noise attenuation trim options.