Product introduction
Usually open, the Angle of the blade can be manually adjusted in the range of 0 degrees to 90 degrees, in the event of a fire, the gas temperature of the pipe reaches 70 degrees, then the fuse protector will be blown, and the damper will be closed under the pull of the spring. Compared with ordinary fire damper, it can also be opened and closed by DC24V electrical control.
Apply
It is suitable for the air duct of ventilation and air conditioning system with smoke and fire prevention requirements, especially for important buildings that cannot be manually reset.
trait
Galvanized steel is used as a material to ensure good insulation, fire and corrosion resistance.
Long service life.
l Easy installation.
l The flange is bent directly by the frame.
l Valve size and color can be customized according to customer requirements.
l Close the valve with DC24V power supply
|
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. |
Installation Instructions
Experience hassle-free installation with our comprehensive accessory production and distribution, streamlining your setup process. Ingeniously designed, the flange is bent directly by the frame, while the valve's size and color are customizable to align perfectly with your specifications. The damper securely closes using a DC24V power source, showcasing its versatility.
Crafted from robust galvanized steel, our product boasts exceptional insulation performance, with superior resistance to fire and corrosion. Designed for longevity, it is not only easy to install but is also backed by meticulous quality control processes, ensuring each item undergoes rigorous inspection for unmatched reliability.
Revel in a worry-free purchase with our easy return and refund policy. Should your order be missing or arrive with defects, we extend a seamless refund process along with complimentary local returns for qualifying purchases, guaranteeing your utmost satisfaction.
Dezhou Linghao Refrigeration Equipment Co., Ltd. is a leading international commercial company in China, mainly designing and manufacturing centrifugal fans, axial fans, boiler induced draft fans and other ventilation equipment and parts. Fans, tanks and cooling towers can also be customized to suit your needs. Used in coal-fired power generation, metallurgy, paper making, cement and glass production, chemical industry, material treatment, sewage treatment, waste incineration, subway ventilation, industrial boilers and dust removal systems and other industrial systems.
Main products: centrifugal fan, axial fan, boiler induced draft fan, industrial fan and parts, water tank and cooling tower
Heat recovery ventilators, energy recovery ventilators, fresh air filtration systems, rotary heat exchangers (heat wheels and enthalpy wheels), air handling units, modular air cooling coolers (heat pumps), coolers and industrial air conditioners, etc.
Our principle is "customer-oriented, quality-centered". We have CE and ISO9001. On this basis, we strive to meet the needs of our customers in all aspects with high-quality products and services. As a result, our products are widely recognized in Egypt, Sudan, Saudi Arabia, Malaysia, Indonesia, Philippines, Japan, UAE, Mexico, Italy and other countries around the world.
Q&A
Q1: Can you guarantee your quality?
A1: All our products have a CE certificate, which is tested before packaging, and the pass rate is up to 100%.
Q2: What is your delivery date?
A2:3-5 days after receipt of payment. (except custom goods)
Q3: How long is the warranty period?
A3: If both parties are confirmed to have damage due to quality reasons, the warranty is free for 1 year.
Q4: Are you a manufacturing company or a trading company?
A4: We are a manufacturer and you are welcome to visit our factory.
Question 5. What are your packing terms?
A5: We usually pack the goods in neutral blank boxes and brown cartons.
Audited Supplier 
){kind=link}