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. It can be ordered with a bellows stem seal, or an extended bonnet extension for cryogenic applications dow to -425°F (-218°C), or with an electric motor actuator. It has a totally enclosed multi-spring actuator, which minimizes deadband and is field reversible without the use of special tools or extra parts. Jordan Valve can also install a wide variety of positioners and actuators on the Mark 8000 Series, to provide a valve that meets specific requirements.