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Help CenterHvac System Galvanized Steel Motorized Air Duct Fire Proof Damper FH-70
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Galvanized Steel Motorized Air Duct Fire Proofing Damper For HVAC FH-70
Key words:damper,air damper,fire damper
Installed in the ventilation or air-conditioning systems, usually it is open, once fire occurs, the gas temperature of duct arrives at 70 degrees, and then the fuse protector will be fused and the damper will close under the pull of spring. It can meet the requirement of stability and completeness in a certain time. It can insolate smog and fire outside.
Application:
Used in through-wall pipes of ventilation system, which need to be fireproofing to prevent the spread of fire along the duct.
Features:
- Using galvanized steel as material to make sure good insulation performance, fire & corrosion resistance.
- Duration, long service life.
- Easy installation.
- The flange is bended directly by the frame.
- The valve size and color can be customized according to customer's requirements.
Advantages:
- Excellent quality control processes, all products have been inspected strictly.
- The quality of products has reached the standard of “Code of acceptance for construction quality of ventilation and air conditioning works" (GB50243-2002) and "Fire dampers for building venting and smoke-venting system" (GB15930 2007).
- Complete accessories production and distribution make it easier to install.
Specification:
Place of Origin: Chongqing, China (Mainland) Brand Name: ERAN
NO. |
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. |
|
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