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Function
1. The fuse trips and shuts off instantly.
2. Integral inspection port.
3. Specifically designed for round valves and can be installed directly.
Technical Specifications
| Model | Applicable Valve Body Diameter (mm) | Valve body main shaft diameter: Φ12–Φ127 (mm) |
| Exposure of valve body (mm) | ||
| FD-S-100 | Φ100 | 85 |
| FD-S-125 | Φ125 | 65 |
| FD-S-150 | Φ150. Φ175 | 65 |
| FD-S-200 | Φ200. Φ225 | 65 |
| FD-S-250 | Φ250. Φ275 | 65 |
| FD-S-300 | Φ300. Φ325. Φ350 | 65 |
| Action method: | Fuse (70°C) | |
| Action time: | Instantaneously | |
| Torque: | 3.5N-m | |
| Rotation direction: | Rotate counterclockwise when performing the action. | |
| Reset Method: | Manually reset using the handle. | |
| Material surface treatment: | Galvanization(Gl Sheet) | |
| Weight: | 0.8 kg (including accessories) | |
| Operating temperature: | -10℃~50℃ (no freezing, no condensation) | |
| Operating environment humidity: | Relative humidity below 85% | |
Product Keywords： KGK-FD-S Fire Damper (Round Damper) Actuator
KGK-FD-S Fire Damper (Round Damper) Actuator
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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.