Fire damper
Fuse the 70°C fuse, close the valve by its own weight, or pull the spring manually reset (if the user has special requirements, you can add an output signal device).
1. The temperature control is automatically turned off
2. Close it manually
3. Reset it manually
4. Shutdown output a set of contact signals
5. When the size of the circular air duct is greater than or equal to 630mm, choose square/circular fire damper
Product Parameters
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
Enjoy the simplicity of installation with our comprehensive accessories production and distribution, promising a seamless setup. The frame-integrated flange design facilitates effortless integration, while customizable valve sizes and colors cater to unique customer demands. Seamless operation is ensured via DC24V power closure, promising reliability and performance.
Harnessing the power of galvanized steel, our dampers excel in insulation, fire resistance, and corrosion protection, promising a prolonged service life. Their easy installation and the rigorous quality control processes we adhere to guarantee that every product undergoing strict inspection meets the highest standards of excellence.
Experience peace of mind with our accommodating return and refund policy. Should your order arrive incomplete or with issues, we ensure a hassle-free refund alongside complimentary local returns for qualifying defects, underscoring our commitment to customer 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.
1. Are you a factory or a trading company?
We are makers.
2. What are the guarantees in case of failure?
There is a one-year warranty. If it breaks, generally speaking, our technicians will find the problem based on customer feedback
It could be something. If the problem is caused by a quality fault, the part will be replaced free of charge.
3. What about the documents after delivery?
After shipment, we will send you all original documents via DHL, including packing list, commercial invoice, bill of lading and other required certificates.
4. How long is the delivery time?
For standards less than 100m3, it takes 7-10 days; For non-standard and based
The specific requirements of the customer are customized, and it takes 15 to 30 days.
5. What about payment?
Wire transfer (T/T). L/C at sight.
6. How Do you arrange the delivery of the machine?
Yes, dear customer, for FOB or CIF price, we will arrange the delivery for you. For EXW prices, customers need to arrange shipping themselves or their agents.
7. What about the packing?
Rugged seaworthy plywood box packing with steel belt to save container loading space as much as possible.