Heavy Duty 360 Degree Fusible Link For Fire Doors And Dampers Holds Back 3 To 20 Pounds With Stainless Steel Snap Hooks Slick Finish Handles Everything You Throw At It Workhorse Grade Gear Made In Usa
Heavy Duty Fuse Link Secures Doors And Dampers Pack 2
✔️ 360° Fusible Link, SS Hooks, 3-20 lb load, UL/FM Rated, Bronze Parts
This heavy-duty linkage melts down at 360°F to trip fire doors and dampers shut when smoke shows up. The 360-degree design swings around pipes or rods so you can bolt this beast anywhere on a window, hood vent, or duct run without fighting angles. Inside, you get durable bronze gears and a corrosion-resistant finish that won't crap out on you. Grabbing this pack gets you two links plus snappy SS hooks ready to go, giving you that reliable NFPA-compliant setup your project needs.
✅ Melts at 360°F to activate fire protection systems reliably✅ 360° rotation fits awkward spaces on dampers, doors, and hoods
✅ Compact body measures 60mm (2.36") long by 19mm (0.75") wide
✅ Supports loads from 3 to 20 lbs with heavy-duty bronze internals
✅ UL listed and FM approved for extinguishing system compliance
✅ Includes two stainless steel S-hooks for quick installation
✅ Corrosion-resistant steel construction built to last on job sites
💡 How does a heat-activated fusible link function within fire door retention systems?
A fusible link operates as a fail-safe thermal sensor that drops its load when surrounding air hits a set melting point, triggering the release of dampers or doors.
- Internal bronze assemblies melt at 360°F to disconnect the holding tension, enabling gravity or springs to seal the opening against smoke.
- Compliance with UL rating and FM approval ensures the device performs consistently under strict NFPA guidelines for life safety equipment.
- Corrosion-resistant finishes maintain structural integrity in harsh environments like restaurant ranges or chemical storage cabinets.