Esfr Fire Sprinklers

Name: China Customized Esfr Fire Sprinklers Manufacturers Suppliers Factory - Wholesale Service - CA-Fire Protection
Brand: CA-FIRE
SKU: 283189011

ESFR (Early Suppression Fast Response) fire sprinklers are specialized for high-hazard areas like warehouses with tall storage. They activate quickly (fast response) and release large water volumes at high pressure, suppressing fires early before they spread.
Designed for ceilings up to 15 meters high, they protect stored goods (e.g., pallets, cartons) without relying on ceiling insulation. Compliant with standards like NFPA 13, they’re widely used in logistics and industrial facilities for reliable fire safety.

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Description

Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of esfr fire sprinklers in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.

Products Description--Esfr fire sprinklers

Esfr fire sprinklers

ESFR (Early Suppression Fast Response) fire sprinklers are purpose-built for high-risk environments-most notably warehouses with tall storage setups. Their key strength lies in two aspects: they kick into action swiftly (thanks to fast-response technology) and emit large amounts of water under high pressure, which lets them stamp out fires early on, before the flames have a chance to spread further.

These sprinklers are engineered to work with ceiling heights up to 15 meters. They safeguard stored items like pallets and cartons, and unlike some other systems, they don't depend on ceiling insulation to function effectively.

Esfr fire sprinklers - Working Principle

ESFR (Early Suppression Fast Response) sprinklers with fusible alloy operate on the core principle of heat-triggered activation + high-efficiency fire suppression, tailored for high-hazard spaces like tall warehouses.

Instead of a glass bulb, they use a fusible alloy link-a metal component that melts at a specific temperature (usually 68–79°C). When fire heat reaches this threshold, the alloy melts, releasing the sprinkler's valve mechanism.

Once activated, the sprinkler discharges water at high pressure (≥7 bar) and large flow rates (up to 300 L/min). A specialized deflector spreads the water into a wide, forceful spray, which penetrates smoke, reaches stacked goods (e.g., pallets), and quickly cools the fire zone to suppress flames early-no need for ceiling heat buildup, making it ideal for 15m-tall storage areas.

Products Features--Esfr fire sprinklers

Reliable Heat-Activated Trigger (Fusible Alloy Design)

This ESFR variant uses a heat-sensitive fusible alloy link, engineered to melt precisely at 68–79°C-avoiding accidental activation from small temperature shifts, a common issue with glass bulb types. Its quick reaction time outperforms standard sprinklers, kicking off suppression efforts the moment fire heat is detected. This speed is vital for high-risk spaces like tall warehouses, as it halts flame spread before the fire grows out of control.

Powerful Water Delivery for Effective Suppression

These sprinklers are built to discharge water at pressures no less than 7 bar and flow rates reaching 300 L/min. Equipped with a custom deflector, the water turns into a strong, wide spray that cuts through thick smoke and reaches deep into piled goods (such as pallet stacks). This direct water contact cools the fire area rapidly, stops flames in their tracks, and prevents re-ignition-even in spacious storage facilities.

Suitable for Tall Ceilings & High-Stack Storage

Tailored for tall industrial settings, ESFR sprinklers work well in warehouses with ceilings up to 15 meters and storage stacks as high as 12 meters. Unlike regular sprinklers that depend on heat building up at the ceiling, this model's spray pattern and pressure are adjusted to cover large vertical and horizontal spaces. This means no extra fire suppression components are needed, simplifying installation while keeping high-stack inventory safe.

Sturdy, Corrosion-Proof Build for Longevity

Made to last in tough industrial conditions, ESFR sprinklers have strong bodies crafted from ductile iron or brass. They also have anti-corrosion coatings (like epoxy) to stand up to humidity, dust, and chemical exposure. The fusible alloy link is treated to resist rust, ensuring steady performance for years. This durability reduces the need for frequent maintenance and extends the product's life, lowering overall ownership costs for facilities.

Esfr fire sprinklers-Technical Parameter

Esfr fire sprinklers Specification	Esfr fire sprinklers Details
K Factor	K=14(K202) / K=16.8(K242) / K=25.2(K363)
Thread Size	R₂1/2"-1/2"NPT / R₂3/4"-3/4"NPT / R₂1"-1"NPT
Type	Upright/Pendent
Temperature sensing element	fusible alloy
Frame Finish	Chrome Plated,Brass
Deflector Finish	Chrome Plated,Copper
Certificate	CCCF / ISO