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Wholesale galvanized steel manual air vent diffuser damper in hvac
Key words: vent dampers ,supply air damper, hvac diffusers
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.
- 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.
- Output closing signal 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 |
280 degrees |
|
8 |
Control mechanism classification |
Manual on and off device, temperature control, air regulation, output signal |
|
9 |
Micro switch |
Contact capacity 380V 3A |
|
10 |
Connection port |
Contact rating 500V 3A |
|
11 |
Action method |
At 280 degrees, temperature-fuse protector motion, the valve under the spring pulled shut automatically, 0-90 degrees manually adjust the blade opening angle. |
|
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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