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Function
1. Introduce compressed air to actuate it.
2. After the gas is exhausted, it is automatically reset by the return spring inside the cylinder.
Technical Specifications
| Model | KGA-2 |
| Damper Spindle | Diameter φ12～φ12.7mm |
| Exposed from valve body | 120mm |
| Action Method | Cylinder |
| Air supply pressure | Above 0.4 MPa |
| Operating Torque | At 0.4 MPa, 11 N-m |
| Rotation | Counterclockwise during operation |
| Reset direction | Exhaust air to reset automatically |
| Reset torque | 3.3N-m |
| Surface | Galvanization(Gl Sheet) |
| Weight | 3.6 kg (including accessories) |
| Operating temperature | －10℃～50℃（no icing, no condensation） |
| Operating humidity | Relative humidity below 85% |
Product Keywords： KGA-2 (HHA-2) Pneumatic Fire Damper Actuator (Self‑Resetting Type)
KGA-2 (HHA-2) Pneumatic Fire Damper Actuator (Self‑Resetting Type)
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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.