
The ceiling-mounted ultra-fine dry chemical fire suppression Unit is an automatic fire suppression system specifically designed for small or localized high-risk fire hazards. The system utilizes a high-efficiency ultra-fine dry chemical extinguishing agent and is installed in a suspended configuration to rapidly cover the fire source and suppress fire development. It is particularly suitable for the protection of electrical equipment, control cabinets, equipment rooms, control panels, and industrial machinery.
With its compact structure and flexible installation, the system meets international market requirements for high reliability, rapid response, and equipment-level local protection, and is widely applied in modern overseas engineering projects as a proven dry chemical fire suppression solution.
The ultra-fine dry chemical particles are uniformly sized and, upon discharge, quickly envelop the fire source, interrupting the combustion chain reaction and achieving rapid extinguishment.
Installed overhead within the protected space, the suspended layout allows optimized positioning directly above hazard areas, providing point-to-area coverage and minimizing blind spots.
The system can be actuated via fire alarm system interlock, manual release, or automatic thermal activation of the heat-sensitive element, ensuring reliable operation under emergency conditions.
Suitable for Class A fires, Class B fires, electrical fires, mechanical equipment fires, and other localized fire hazards, offering broad application flexibility.
The suspended design minimizes space requirements. With a simplified piping arrangement, maintenance workload is low and long-term system reliability is ensured.
The product design can comply with applicable international fire protection standards, facilitating use in overseas projects and export applications.
Under normal conditions, the extinguishing agent is stored within a pressurized container.
When a fire occurs within the protected space, the heat-sensitive element of the nozzle ruptures due to heat, or the system is actuated via interconnection with the fire alarm system, triggering discharge.
The ultra-fine dry chemical agent is released through the nozzle and uniformly dispersed over the fire area.
The dry chemical blankets the fire source, interrupts the combustion chain reaction, and suppresses temperature rise, resulting in rapid extinguishment.
A manual actuation device is provided for emergency operation when required, ensuring suppression reliability.

Agent Charge (kg) | 2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
Agent Storage Pressure | 1.2 MPa(20℃) | |||||||
Thermal Glass Bulb Actuation Temperature | 68℃ | |||||||
Operating Activation Power Supply | ≥DC24V,0.6A | |||||||
Actuation Method | Thermal Glass Bulb Actuation, Electric Actuator Actuation | |||||||
Fire Suppression Method | Total Flooding, Local Application | |||||||
Pilot Gas | Nitrogen | |||||||
Operating Ambient Temperature | -10 ℃ ~ 50 ℃ | |||||||
Electrical control cabinets, switchgear rooms, and equipment rooms
Local protection of industrial automation equipment
Warehouse machinery and small processing equipment
Telecommunications rooms, low-voltage rooms, and UPS equipment spaces
Marine engine rooms and mobile equipment protection areas
Other high-risk localized fire hazard applications
If you are seeking a ceiling-mounted ultra-fine dry chemical fire suppression Unit that offers:
High-efficiency fire suppression with rapid response for electrical and mechanical hazards
Suspended installation providing uniform coverage and localized protection
Dual automatic and manual activation for safe and reliable operation
Simple installation, minimal space occupation, and easy maintenance
Compliance with international standards for overseas projects and export applications
Please contact our fire protection solutions team. We provide:
Protected space assessment and system design
Product configuration, technical selection, and standards compliance support
Project quotation, delivery, and technical services
Installation guidance, commissioning support, and operational training
We are committed to delivering safe, efficient, and internationally compliant dry chemical fire suppression solutions for global customers.
Streamlined Steps to Obtain Your Custom Fire Protection Solution
Liaoyepo Road, Ningxiang High-tech Zone, Changsha City,Hunan Province, China
Your full-cycle fire protection partner. We handle everything from concept and installation to long-term safety assurance.
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