{"product_id":"heavy-duty-360-degree-fusible-link-for-fire-doors","title":"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","description":"\u003cdiv\u003e\n\u003cp\u003eHeavy Duty Fuse Link Secures Doors And Dampers Pack 2\u003cbr\u003e✔️ 360° Fusible Link, SS Hooks, 3-20 lb load, UL\/FM Rated, Bronze Parts\u003c\/p\u003e \u003cp\u003eThis 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.\u003c\/p\u003e ✅ Melts at 360°F to activate fire protection systems reliably\u003cbr\u003e\n✅ 360° rotation fits awkward spaces on dampers, doors, and hoods\u003cbr\u003e\n✅ Compact body measures 60mm (2.36\") long by 19mm (0.75\") wide\u003cbr\u003e\n✅ Supports loads from 3 to 20 lbs with heavy-duty bronze internals\u003cbr\u003e\n✅ UL listed and FM approved for extinguishing system compliance\u003cbr\u003e\n✅ Includes two stainless steel S-hooks for quick installation\u003cbr\u003e\n✅ Corrosion-resistant steel construction built to last on job sites\u003cbr\u003e\n\u003cp\u003e💡 How does a heat-activated fusible link function within fire door retention systems?\u003cbr\u003eA 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.\u003cbr\u003e\n- Internal bronze assemblies melt at 360°F to disconnect the holding tension, enabling gravity or springs to seal the opening against smoke.\u003cbr\u003e\n- Compliance with UL rating and FM approval ensures the device performs consistently under strict NFPA guidelines for life safety equipment.\u003cbr\u003e\n- Corrosion-resistant finishes maintain structural integrity in harsh environments like restaurant ranges or chemical storage cabinets.\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49236205437163,"sku":"VXB0868D2PB7","price":57.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51la-eSJr2L.jpg?v=1786813654","url":"https:\/\/vxb.com\/products\/heavy-duty-360-degree-fusible-link-for-fire-doors","provider":"VXB Bearings","version":"1.0","type":"link"}