The Mark 8000 Series is a group of heavy-duty control valves specifically designed for process applications requiring full flow or fractional flow control. available in a wide selection of body sizes and styles, this valve can be configured in two way or three way designs, for diverting or mixing service, and with globe or angle valve style seats. The Mark 8000 Series valve subassembly is manufactured completely from barstock, which combined with the standard heavy duty yoke and actuator, gives the valve the ability to handle pressure up to 6000 psi (414 bar), while still being able to offer Cv's ranging from 0.05 - 17 (Kv's 0,04 - 14,6).