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Main Function
Fuse operation, manual pull operation, instantaneous closing.
Technical Specification
| Model | HH-FD-H |
| Damper Spindle | Diameter φ12～φ12.7mm |
| Exposed from valve body | 75mm |
| Action Method | Fuse /Motor/Manual pull operation |
| Operating Time | Instantaneous |
| Operating Torque | 8.5 N・m |
| Rotation | Counterclockwise during operation |
| Reset direction | Manual reset by handle |
| Surface | Galvanization(EG) |
| Weight | 0.8Kg／0.9Kg（ (including accessories) |
| Operating temperature | －10℃～50℃（no icing, no condensation） |
| Operating humidity | Relative humidity below 85% |
Product Keywords： HH-FD-H Actuator for Fire Dampers
HH-FD-H Actuator for Fire Dampers
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We focus on the R&D and manufacturing of high‑end products such as large forged components for nuclear power, ultra‑large rotors, large‑diameter, thick‑walled shells for chemical equipment, tube sheets, ultra‑supercritical forgings, and forgings for high‑pressure hydrogen storage vessels, providing core support for China’s major equipment and high‑end manufacturing.
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Pioneering and innovation are the spirit of Hua Hui; high quality, excellent reputation, and putting customers first have always been the principles our company adheres to. We welcome both new and existing customers to choose and patronize us.