Reliable F1FR LO Intermediate Pendent Sprinkler K8.0 3/4 Inch (20MM)

The Reliable Model F1FR LO Intermediate Pendent Sprinkler is engineered to provide targeted fire suppression in complex environments such as multi-tier rack storage and facilities with staggered hazards. Installed at intermediate heights below overhead lines, this sprinkler supplies crucial coverage where standard pendent sprinklers fall short. Its integrated construction prevents premature activation from water discharge by higher sprinklers, directing water precisely where needed to prevent fire spread and minimize potential damage in warehouses, storage facilities, and manufacturing plants.

Designed to comply with rigorous fire protection requirements under applicable NFPA standards, this sprinkler integrates seamlessly into wet or dry pipe fire suppression piping systems requiring localized intermediate-level protection. Installers can rely on its targeted discharge density to safeguard valuable assets and maintain code-compliant life safety systems in challenging vertical configurations.

Key Features & Construction

• Intermediate Level Design: Installs below overhead sprinklers to protect specific storage levels and prevent premature activation from higher water discharge.
• Optimized K-Factor: Features an 8.0 U.S. (115 metric) K-factor to deliver reliable water discharge density for commercial and industrial fire hazards.
• Standard Connection: Equipped with 3/4-inch (20mm) NPT threads for straightforward integration into new or existing piping networks.
• Durable Model F1FR LO-D5 Series: Built for efficiency and high-durability performance in demanding industrial suppression applications.

Always verify local Authority Having Jurisdiction (AHJ) requirements and consult the Reliable product catalog and list price book to confirm exact part numbers, listings, and installation specifications prior to system layout and assembly.

Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)