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发布于:2018-8-8 18:31:34  访问:1 次 回复:0 篇
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All About Fusible Links
Fusible Links are temperature sensitive release mechanisms developed to be component of a variety of fire protection systems. The method is activated when the ambient temperature increases to the point that causes the eutectic alloy, holding the fusible link with each other, to melt and release the pre-loaded fire damper, door or shutter, thus restricting the spread of fire or smoke, or activate the release of pressurised gas or liquid fire suppressants. The melting point of the alloy can be engineered to release at temperatures ranging from 135F/57C to 500F/260C.

Which Links?
Globe Links have been specified as original equipment in fire dampers, fire doors, vents and fire suppression systems for over 30 years. You can be assured that Globe products can be utilized safely as replacements for failed hyperlinks, or during routine service, provided that the critical elements of: a) temperature and b) load rating are adhered to.

Verify the temperature rating of the Links you are replacing this will have been specified by the system engineers to provide a appropriate release temperature but also to make sure that the Links will not be affected by the conditions to which it is exposed. The table below offers particulars of the suggested hyperlink ratings for various ambient temperatures.

The Links requirements to be held below longitudinal tension to operate properly. The minimum and maximum operating tension of all Globe Links can be found inside the technical specification web page of every hyperlink.
The length of a Links can be safely extended by indicates of a mechanical attachment, supplied that the tension on the Links continues to be applied along its length and that the attachment does not damage the hyperlink in any way. Globe models JS and GS, are supplied as standard with Clover Hooks to safely extend their operating length.

Extra information concerning fusible links for fire dampers could be located on our internet site.
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