FIRELOOP Seismic Expansion Joint Grooved UL FM Safety

The Metraflex FIRELOOP Seismic Expansion Joint is engineered to protect commercial, industrial, and residential fire sprinkler and suppression systems from the destructive forces of seismic activity and structural shifts. Installed directly within fire protection piping assemblies, this component absorbs multi-directional movement, including pipe expansion, contraction, and critical lateral shifts to prevent pipe ruptures and water damage.

This seismic expansion joint is compliant with National Fire Protection Association standards under NFPA 13 for the installation of sprinkler systems. It satisfies critical life-safety and engineering mandates by providing certified protection against structural movement and thermal stresses, ensuring rigid piping networks do not shear under dynamic seismic loads.

Key Features & Construction

• Multidirectional Movement: Absorbs expansion, contraction, and severe lateral shifts to maintain continuous fire sprinkler functionality during seismic events.
• Grooved End Design: Streamlines job-site assembly with quick, secure, and leak-proof connections that minimize installation time and labor costs.
• Corrosion-Resistant Build: Constructed from high-strength, durable malleable iron and seismalleable iron metals designed to withstand extreme conditions and high-pressure environments.
• Thermal Expansion Management: Accommodates regular thermal expansion and contraction to mitigate ongoing piping stresses and extend system longevity.
• Space-Saving Engineering: Features a compact, flexible layout that integrates smoothly into confined or complex fire protection footprints without requiring extensive pipe modifications.

Technical Specifications & Compliance Table

Contractors must verify specific movement requirements, system working pressures, and local Authority Having Jurisdiction (AHJ) mandates prior to installation. Always consult the manufacturer's engineering data sheets for proper clearance and anchoring details.

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