Otec Process Systems offers a complete line of damper operators. Our damper operators are offered in many different sizes and materials. The standard size is a 4 X 6, (4" by 6" cylinder), complete with a Moore positioner. Available Input Ranges:    3 to 15 PSI    3 to 9 PSI    9 to 15 PSI There are many different configurations available when ordering an operator, different bore strokes, bore sizes, piston thread sizes and mounting configurations just to name a few. We ask that you contact us so we can assist you with our application.        Click Here to Contact Us