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Product code: Square Fire Damper: S-FD

Material: Galvanized or Stainless Steel

Detailed Structure:

  • Valve body thickness: 0.75 ÷ 2 (mm)
  • Valve wing thickness: 0.58 ÷ 1.15 (mm)
  • Valve Shaft: Galvanized Round Steel 10×10 (mm)
  • Bearing damper: Galvanized Steel Silver, Round Hole Perforated on Valve Body

Operated: Operated by thermal fuse and spring

Size: Customized

Tư vấn 0966686969

Square Fireproof Damper is one of the indispensable details in high-rise buildings, construction buildings, apartment buildings, etc.

However, what is Square Fireproof Damper and what are its characteristics. Let’s follow the post shared below of the P69 Mechanical Factory for answers.

What is Square Fireproof Damper?

Square Fireproof Damper is the product used on the duct system in cases where fire prevention is required, spreading to other areas. When the airflow temperature is high, the fire extinguishing valve will be effective against the spread of fire. or when there is a fire. The square air valve to prevent fire will automatically switch off thanks to the engine, minimizing the risk of fire spreading to other systems.

In particular, the square air valve to prevent fire is installed directly on the ventilation system right at the top of the blow way, which has the effect of preventing fire from spreading through other ventilation systems in the same building when an incident occurs. In addition, the product also has the effect of air conditioning, ventilation in buildings, factories or commercial centers, apartment buildings, …

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High-quality Square Fireproof Damper from P69 Mechanical Factory


Product code: S- FD

Materials: Galvanized steel sheet, stainless steel

Limited temperature: -20 to 120 Celsius Degree

Detailed Structure:

– Body type: Body is not welded. Thickness from 0.75 -1.15(mm)

– Wing type: Single wing. Thickness from 0.75 – 1.15(mm)

– Valve shaft: Galvanized round steel 10×10(mm)

– Valve silver: Galvanized steel silver, round hole mounted on valve body


– Using a thermal fuse to put out a molten fire at 70-75 degrees Celsius to make the switch, when a molten fuse occurs, the valve will be closed and held tightly by a spring to prevent fire and smoke from spreading to the area. other

– One-way forward wing movement.

Connection: Connect the voice cage directly to the air duct cavity

Size: As required

Mechanism of Square Fireproof Damper

So what principle does the square air valve to prevent fire work? When a fire or explosion occurs, the outside temperature will increase. At this time, the fire extinguishing valve closes the valve so that the fire source as well as the smoke does not spread to other wind systems. If a fire occurs, the square air valve prevents the fire from closing the pipe itself, preventing the fire from spreading to other areas and controlling the fire.

Product Detailed Video

Where to buy the best Square Fireproof Damper

So where to buy Square Fireproof Damper? Definitely a question that gets the attention of many customers. On the market, there are many different product suppliers, but P69 Company is still a name trusted and chosen by customers because of the following advantages:

– A team of professional technicians with high professional qualifications

– Cheaper than other brands

– Product warranty policy 12-36 months

– Home delivery support

– Consulting and answering all questions 24/7

The above is the product information that P69 Mechanical Factory introduces, hopes to help you gain more useful knowledge about the product before choosing. If you have any questions, please contact our hotline directly for answers!


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