
The Special-type Steel Fire Shutter with Water Mist (Side-Running Type) is a high-performance fire compartmentation system that integrates a high-strength steel fire shutter assembly with an automatic water-mist cooling system, operating in a horizontal side-running (lateral sliding) configuration.
In the event of a fire, the shutter travels laterally along guide rails to close the opening while a continuous water-mist cooling layer is formed on the surface of the curtain, significantly enhancing fire resistance, thermal insulation, and structural stability.
This system is particularly suitable for extra-large openings, locations with limited headroom, or areas where vertical rolling fire shutters are impractical, and is widely adopted in large public buildings and special engineering projects as a special-grade fire separation solution.
The shutter curtain is fabricated from high-strength steel panels. During a fire, the water-mist system continuously cools the curtain surface, effectively resisting high-temperature exposure and significantly improving overall fire resistance and thermal insulation performance, meeting special-type fire rating requirements.
The shutter closes by horizontal lateral movement, making it ideal for large spans, restricted headroom conditions, or architecturally complex openings.
The water-mist cooling method requires substantially less water than conventional automatic sprinkler systems, reducing water consumption and minimizing secondary water damage.
A single-curtain assembly is adopted. Compared with double-curtain inorganic special-type fire shutters, this design occupies less space and improves architectural adaptability.
The water mist forms a uniform cooling film on the curtain surface, significantly reducing radiant heat transfer and limiting temperature rise on the unexposed side, thereby improving safety in adjacent compartments.
The steel curtain, combined with sealed guide rails and lateral closing design, effectively restricts smoke migration and satisfies smoke compartmentation requirements.
The system can be interlocked with the fire alarm system and water supply system. Upon fire detection, the shutter automatically closes laterally while the water-mist system is activated simultaneously, ensuring stable and reliable operation.
Under normal conditions, the steel fire shutter is parked at one side (or both sides) of the opening, and the water-mist system remains on standby.
When a fire occurs, the fire alarm system sends an activation signal to the shutter control panel.
The drive system is activated, and the shutter travels horizontally along the guide rails to progressively close the opening.
Simultaneously, the water-mist system is activated, forming a continuous water-mist layer on the curtain surface to cool and protect the shutter.
After full closure, the shutter and water-mist system together form a high-performance fire, smoke, and thermal barrier.

Curtain material: Composite steel construction
Fire performance: Special-type fire resistance (integrity and insulation)
Operating mode: Horizontal side-running deployment
Water-mist mode: Continuous or interlocked discharge
Activation: Automatic activation / Manual activation
Maximum opening size: Customized according to project requirements
Water application density on curtain: 0.232 m³/(h·m²)
Atriums and extra-large openings in large commercial complexes
Airport terminals and transportation hubs with large spans
Exhibition centers, exhibition halls, and sports venues
Industrial plants, logistics centers, and large warehouses
Fire compartments with limited headroom or where vertical fire shutters are unsuitable
Contact Us
If you are seeking a Special-type Steel Fire Shutter with Water Mist (Side-Running Type) with the following features:
Steel construction combined with water-mist cooling to meet special-type fire resistance requirements
Side-running configuration suitable for extra-large or complex openings
Effective limitation of unexposed-side temperature rise for enhanced safety
Low water consumption with minimal water damage
Stable smoke-control performance with water system interlocking
Compliance with international building fire protection and fire compartmentation standards
Please contact our fire protection solutions team for:
Fire compartmentation and opening condition analysis
Product selection, technical consultation, and code-compliance support
Project pricing, supply, and engineering coordination
Installation guidance, commissioning support, and maintenance training
We are committed to providing safe, reliable, and internationally compliant high-grade fire and smoke compartmentation solutions for global projects.
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Liaoyepo Road, Ningxiang High-tech Zone, Changsha City,Hunan Province, China
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