This is a Powers Controls linear pneumatic damper actuator. Please refer to the technical specifications in the listing for more information.
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing. Made in USA.
Technical Specs
| Item | Pneumatic Damper Actuator |
| Manufacturer Part Number | 331-2973 |
| For Media | Air |
| Application | Dampers |
| Specific Valve Action | Spring Return Down |
| Actuator Type | Linear |
| Mounting | Extended Shaft |
| Spring Range Minimum | 8 psi |
| Spring Range Maximum | 13 psi |
| Control Pressure - Maximum | 30 psi |
| Stroke | 4 in |
| Force at 0 psi | 88 lbf |
| Diaphragm Material | Rubber |
| Air Connection Size | 1/8 in |
| Air Connection Gender | Female |
| Air Connection Type | NPT |
| Actuator Connection | Clevis |
| Includes Positioner | Positioner Not Included |
| Operating Temperature - Minimum | -20 °F |
| Operating Temperature - Maximum | 200 °F |
| Spring Material | Steel |
| Stem Material | Stainless Steel |
| Overall Length | 7-3/4 in |
| Overall Width | 4-5/8 in |
| Overall Depth | 20-13/16 in |