Overview: The Early Suppression Fusible Alloy (ESFR) sprinkler head is a 3C certified high-flow nozzle designed for rapid fire suppression. It uses a fusible alloy element for precise activation and is specifically engineered to protect high-stacking warehouses and logistics centers.
Technical Specifications
| Product Name | ESFR Fusible Alloy Sprinkler |
|---|---|
| Sensing Element | Fusible Alloy |
| Installation Type | Pendent |
| Place of Origin | Fujian, China |
| Brand | Hengdun |
| MOQ | 3,000 Pieces |
| Supply Ability | 3,000 Pieces/Month |
| Weight | 22 kg (per carton/batch) |
| Dimensions (L*W*H) | 43 x 43 x 52 mm |
| Certification | 3C Certified |
Product Description
High-Performance Warehouse Protection
The ESFR (Early Suppression Fast Response) sprinkler head is designed to tackle high-risk fires in their early stages. By combining a fast response time with a high-volume water flow, it can suppress fires quickly, preventing them from spreading upwards in high-rack storage environments.
Fusible Alloy Technology
Unlike standard glass bulb sprinklers, this model uses a fusible alloy element. This mechanism is highly reliable and melts at a precise temperature, triggering the release of a heavy water curtain to penetrate the fire plume.
Application Scenarios
ESFR sprinklers are the industry standard for protecting:
- High-stacking Warehouses
- Logistics Centers
- Storage Facilities with High Shelves
They often eliminate the need for in-rack sprinkler systems, simplifying warehouse fire protection design.
Logistics Information
- Lead Time: 20-30 days
- Warranty: 1 Year
- Packaging: Secure export packaging (Volume: 96,148 mm³)

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