Fire Door And Shutter Fusible Links

Style 9 links are good for range hood applications.

Fire door and shutter fusible links.

Style 1 5 links are for use on fire doors windows and lids. Style 6 and 7 links are often used on fire doors windows hatches dampers and blowers. The industrial fire shutters use single 240v or 3 phase 415v inline industrial motors which allows shutters up to 12m wide. Fireking model 631.

The industrial fire shutters are designed for larger openings up to 12m wide and are tested to stop the spread of fire from 1 4 hours. Additional safety and protection features are available including. Why choose the industrial fire roller shutter with fusible link. Fusible links are an intragal component of any fire door system be it a rolling fire door sliding fire door counter shutter type fire door window shutter and any other fire door system.

Fire rated service door model 631 is a smaller fire door with ul ulc ratings. Use links in straight pull applications only. Fusible links are located above the rolling door and on the sides. Fire sentinel time delay release device firelite vision lites smoke detectors horns.

Provided with fusible links that automatically release to close the door at 165 f the shutter can also be triggered by smoke and heat detectors a building s alarm system or lm21 fail safe release devices. Fusible links melt and activate the door system at a specific temperature as default 64 c. The fusible link will soften in the heat of a fire and when the cable eventually parts the tension on the cable releases and the lever moves on the closing device allowing the shutter to close. The fireking model 631 rolling fire rated service door offers superior protection wherever a small ul listed fire door is required.

Style 8 links are commonly used on fire doors smoke and heat vents and ducts. A fusible link looks like the picture below. All firecurtain counter shutters comply with ul c ul fm and csfm requirements for 3 hour 1 1 2 hour or hour fire ratings.