Class D Fire Extinguishers (Metal Fires)

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Class D Fire Extinguishers are specially designed to combat fires involving combustible metals such as magnesium, sodium, potassium, lithium, and aluminum powders. Unlike conventional extinguishers, Class D extinguishers use dry powder agents that smother metal fires safely without causing violent reactions. These extinguishers are essential for industrial environments, laboratories, metal processing units, foundries, and manufacturing plants where metal fire risks are high. Engineered for reliability and safety, Class D Fire Extinguishers provide controlled fire suppression while minimizing damage and preventing re-ignition, ensuring compliance with industrial fire safety standards.

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Class D Fire Extinguishers are purpose-built safety devices used to extinguish high-temperature metal fires that cannot be controlled with water, foam, or CO₂ extinguishers. They discharge a special dry powder that forms a crust over the burning metal, cutting off oxygen and absorbing heat. These extinguishers are mandatory in industries handling flammable metals. Their rugged construction ensures durability in harsh industrial environments. Class D extinguishers play a vital role in protecting personnel, machinery, and infrastructure from dangerous metal fire incidents.

Class D Fire Extinguishers are widely used in metal fabrication units, aluminum smelting plants, chemical labs, automotive manufacturing, aerospace industries, and battery production facilities. They are ideal for locations where reactive metals are stored or processed. Easy-to-operate discharge mechanisms ensure quick response during emergencies. Proper placement and professional installation are crucial for maximum effectiveness. Regular inspection and maintenance help maintain operational readiness, making these extinguishers a critical part of industrial fire safety planning.

Designed specifically for combustible metal fires
Uses specialized dry powder extinguishing agent
Prevents re-ignition of metal fires
Safe for high-temperature fire environments
Heavy-duty corrosion-resistant cylinder
Complies with industrial fire safety standards

Parameter	Details
Fire Class	Class D (Metal Fires)
Extinguishing Agent	Special Dry Powder
Suitable Metals	Magnesium, Sodium, Potassium, Lithium, Aluminum
Operating Temperature	High-temperature resistant
Discharge Mechanism	Controlled manual discharge
Cylinder Material	Heavy-duty steel
Mounting Type	Wall-mounted / Floor stand
Compliance	IS / International Fire Safety Standards

Why Choose Us?

We provide professional on-site installation services to ensure every system is set up accurately and performs at its best. Our Annual Maintenance Contracts (AMC) keep your solutions running smoothly with proactive care and regular service checks. With 24×7 dedicated customer support, you’re never alone when you need assistance. We are committed to delivering high-quality, reliable products and services that offer long-lasting performance and peace of mind.

Pan-India Supply, Installation & AMC Services

SLN Automation India Pvt. Ltd. provides end-to-end product supply, installation, configuration, and Annual Maintenance Contracts (AMC) across India and the Middle East. With our head office in Bangalore and operational branches in major metro cities, we ensure quick response, expert technicians, and reliable 24×7 customer support for every project.

We provide service across our primary locations including Bangalore (Head Office), Chennai, Hyderabad, Mumbai, New Delhi, and Dubai (International Branch), along with extended coverage in Karnataka (Mysore, Mangalore, Hubli, Belgaum, Tumkur, Udupi), Tamil Nadu (Coimbatore, Madurai, Trichy, Hosur), Telangana (Secunderabad, Warangal, Karimnagar), Maharashtra (Navi Mumbai, Thane, Pune), NCR Region (Gurgaon, Noida, Ghaziabad), and the UAE (Dubai, Sharjah, Abu Dhabi).

What Clients Say

Narsappa PC

Good service

Alen Wilson

Commited Service

Ramesh Babu

SLN team done the rectification works at my site within the stipulated time

SHINOD EDATHATTA

There services is extermly nice! Specilly thanks to Rajib and Muniraju To support close our Issue of Our Kannur Airport Siemens Fire Panel Issue Rectification! I recommend them for their Service, Response is also very good, Thank you

Frequently Asked Questions

What is a Class D Fire Extinguisher used for?

Class D fire extinguishers are used to control fires involving combustible metals such as magnesium, sodium, and aluminum.

Can water be used on metal fires?

No. Water can cause violent reactions with burning metals. Class D extinguishers are specifically designed for such fires.

Where should Class D extinguishers be installed?

They should be installed in metal processing units, laboratories, foundries, and industrial facilities handling flammable metals.

How does a Class D extinguisher work?

It releases a dry powder that smothers the fire by cutting off oxygen and absorbing heat.

Is regular maintenance required?

Yes. Periodic inspection and servicing ensure the extinguisher functions properly during emergencies.