
Main technical parameters
1. Operating temperature of fuse: 70 ℃. 2. Fire resistance rating of valve: 1.5h.
3. The air static pressure difference of 300pa ± 15pa shall be maintained on both sides of the fire damper blade, and the air leakage per unit area shall be less than or equal to 500mv (m2. H). 4. Resistance coefficient at full opening: < 0,5.
Structure: 1 Main components: valve body, blade, temperature sensor and actuator;
2. The thickness of rectangular valve body: l = 220mm, the valve flanges are all made as common plate flanges, and the flange width is 35mm.
When the temperature of the flue gas reaches 70 ℃, the valve can be opened manually and closed automatically. The valve closing signal can be output.