Dyna-Flo 391

High pressure, High Temperature Control Valve

The Model 390/391 control valve (Figure 1) is a heavy duty globe style control valve. This valve is used in all kinds of demanding applications, including oil and gas production and chemical process industries. Metal seats are used for increased seat life.

Model 390/391 valves are balanced cage guided, single port valves that can be used in either snap on/off acting or throttling applications of either liquids or gases. A bolted bonnet is standard and a typical actuator is a Dyna-Flo Model DFC or DFO linear actuators.