This is a Johnson Controls 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. It appears to be missing the mounting. There are also 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.
Technical Specs
| Item | Pneumatic Damper Actuator |
| Manufacturer Part Number | D-3244-4 |
| Application | Dampers |
| Actuator Type | Linear |
| Mounting | Swivel Pedestal |
| Installation Orientation | Versatile |
| Spring Range Minimum | 8 psi |
| Spring Range Maximum | 13 psi |
| Control Pressure - Minimum | 8 psi |
| Control Pressure - Maximum | 25 psi |
| Stroke | 4 in |
| Force at 20 psi | 27.3 lbf |
| Diaphragm Material | Synthetic Elastomer |
| Air Connection Size | 1/8 in |
| Air Connection Type | NPT |
| Actuator Connection | Clevis |
| Valve Action | Normally Closed; Normally Open |
| Includes Positioner | Positioner Not Included |
| Operating Temperature - Minimum | -20 °F |
| Operating Temperature - Maximum | 150 °F |
| Overall Length | 15-3/4 in |
| Overall Width | 9-3/4 in |
| Overall Depth | 23-5/8 in |
| Manufacturer Series | D-3240 |