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Function
1. The fuse trips and shuts off instantly.
2. Action signal output.
Technical Specifications
Model | HHAL-FD-LS |
Diameter of the damper spindle | Φ12~Φ12.7 |
The damper spindle protrudes from the valve body. | FD-LS is 75mm, and FVD-LS is 95mm. |
Action Method | Fuse (70°C) |
Action Time | Instantaneously |
Torque of action | 8.5N-m |
Rotation direction | Rotate counterclockwise when performing the action. |
Reset Method | Manually reset using the handle. |
Surface Treatment of Materials | Galvanization(Gl Sheet) |
Weight | 0.8 kg / 0.9 kg (including accessories) |
Operating temperature | -10℃~50℃ (no freezing, no condensation) |
Operating environment humidity | Relative humidity below 85% |
Confirm signal | Open and close signal output |
Contact capacity | DC 30V, 2A |
Product Keywords： HHAL-FD-LS Actuator for Fire Dampers
HHAL-FD-LS 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.