Henan Shuangxin Fire Environmental Protection Equipment Manufacturing Co., Ltd.
Henan Shuangxin Fire Environmental Protection Equipment Manufacturing Co., Ltd.
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Features
1. Using galvanized steel as material to make sure good insulation performance, fire & corrosion resistance.
2. Duration, long service life.
3. Easy installation.
4. The flange is bended directly by the frame.
5. The valve size and color can be customized according to customer's requirements.
| Fire damper performance parameter table | ||||
| Serial number | name | performance parameters | ||
| 1 | Standard flange specifications | Valve long side b or diameter D (mm) | Flange side width (mm) | |
| D≤280 | 20 | |||
| 280≤D≤630,b≤630 | 25 | |||
| 630＜D1250,630＜b≤1250 | 30 | |||
| 1250＜D≤2000,1500＜b≤2500 | 40 | |||
| D＞2000,2500＜b≤4000 | 50 | |||
| 2 | Temperature sensor | valve static nominal operating temperature 70℃ (valve closes automatically) | ||
| 3 | Material | Valve body | 2~3mmQ235-A | |
| Bles | 2mm708-88 Cold rolled plate | |||
| Axshaft | GB905-82 Cold pull round steel Ф12 | |||
| Axft sleeve | Oil-containing metallurgical powder copper sleeve | |||
| 4 | Local resistance coefficient | Resistance coefficient of ≤ 0.5 at full opening | ||
| 5 | Paint treatment | Ground floor rust proof primer (second floor), outer fire proof paint (medium ash steel paint) | ||
| 6 | Rated voltage | DC24V±10% | ||
| Rated current | 0.7A | |||
| Micro switch | AC380V,3A | |||
| Torque | 10~70Kg.f/cm | |||
| Action mode | automatic, electric, manual or 70℃ to close the valve | |||
| 7 | Fire control valve | Reset method (open state) | Manual reset | |
| Smoke and fire control valve | Manual reset | |||
| Smoke and fire damper | Manual reset | |||
| Remote control smoke and fire damper | Remote control manual reset | |||
| Automatic reset fire damper | Electric reset | |||
| 8 | Air leakage | In the standard state, when the pressure difference on both sides of the valve is 500Pa after the valve is closed, no more than 700mm³/㎡/h | ||