![SetpointIS-Masoneilan_ControlValvePostGuided_21000Series(Image) Setpoint Baton Rouge, LA - Masoneilan Post Guided Control Valve](https://www.setpointis.com/wp-content/uploads/SetpointIS-Masoneilan_ControlValvePostGuided_21000SeriesImage.png)
+ Reciprocating Post Guided Valve
Rugged top-guiding of the plug promotes enhanced valve stability under adverse conditions. The inherent ruggedness of the 21000 Series is field-proven, with thousands of units installed in process control plants around the world operating successfully with various fluids under mild and extreme conditions.