Products
The Trimteck OpRPA High Performance Rack & Pinion Actuator has been designed for automating V-Notch Ball, Trunnion Ball, Eccentric Plug, Butterfly, Custom-Engineered Rotary Valves, and Dampers. Contrary to the long-held view that rack and pinion actuators do not provide sufficient resolution to accurately position a plug or ball in a control valve, there have been significant advancements in the design and manufacturing process of some rack and pinion actuators so that they now provide precise control and high resolution – all at a reduced cost when compared to piston-cylinder or diaphragm rotary actuators.
The OpRPA is enclosed in a precision-extruded anodized aluminum body and has a one-piece nitride-coated pinion gear. They are designed for 100-degree travel with clockwise and counterclockwise travel adjustment for open and closed positions. Moreover, the OpRPA is convertible to a double acting or a spring return simply by removing or adding springs.
| Actuator Type | |
|---|---|
| Actuator Materials | |
| Base Valve Type | V-Notch Ball, Eccentric Plug, Trunnion Ball, Butterfly, Custom-Engineered/Specialty |
| Air Supply (PSI) | Double Acting 29 to 116, Max Allowable 145, Spring Return 29 to 116 |
| Operating Temperature (F) | |
| Torque Range | |
| Travel Adjustment | |
| Failure Position | |
| Actuator Options | |
| Industries | Aerospace & Defense, Chemical/Petrochemical, Food & Beverage, Industrial Gases, Metals & Mining, Oil & Gas, Power, Pulp & Paper, Refining |
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