At a loss HVAC system 24V 0 20ma damper actuator spring return motorized actuator
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- Supplier: Jinan Tengyun Environment Engineering Co. Ltd
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Product Overview
Description
At a loss automatic fire damper hvac fire dampers
Product Description
Fire dampers can be installed on walls,light walls and floors.They are designed as safety dampers.Shut off of airflow in cases of fire.
Usually it is open, manually adjust the leaf opening at the range of 0-90 degree .When the temperature of flue gas in the pipeline reach 280 degrees, the fuse protector will be fused, and damper closes under the pull of spring.
Application:
Applied to the pipeline of smoke exhaust system and the entrance of smoke exhaust fan
Features: Using galvanized steel as material to make sure good insulation performance, fire & corrosion resistance. 1.Duration, long service life. 2.Easy installation. 3.The flange is bended directly by the frame. 4.The valve size and color can be customized according to customer's requirements. 5.Output closing signal according to customer's requirements.
NAME | SPECIFICATION | ||
1 | Flange width | Valve side length (MM) | Width (MM) |
A≤630 | 30 | ||
630<A≤1500 | 30 | ||
1500<A≤2500 | 30 | ||
A>2500 | 30 | ||
2 | Material | Adopt high quality galvanized steel, riveting by non-rivet method | |
3 | Valve thickness | δ2.0MM high quality galvanized sheet | |
4 | Blade shaft | Φ12 round steel | |
5 | Shaft sleeve | Brass | |
6 | Steel valve surface anticorrosive disposal | Pickling, phosphating then spraying | |
7 | Temperature- fuse protector | 70 degrees | |
8 | Control mechanism classification | Manual on and off device, temperature control | |
9 | Micro switch | Contact capacity 380V 3A | |
10 | Connection port | Contact rating 500V 3A | |
11 | Action method | Temperature-fuse protector functions at 70 degrees, the valve shut down automatically under the pull of spring. | |
12 | Reset method | Manual reset | |
13 | Air leakage | In standard conditions, as the differential pressure is 300 Pa, the air leakage is less than the national standards. | |
Any Size can be customized!
Fire damper with air grille/ supply-air outlet/ multi-blade smoke outlet
1. Temperature sensor: action temperature at 280°C
2. Adjustable blade, convenient to regulate air volume
3. Temperature sensor, output the signal, DC24V control
4. Decoration air grille installed
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