{"id":657,"date":"2021-12-14T07:52:46","date_gmt":"2021-12-14T06:52:46","guid":{"rendered":"https:\/\/www.ekh.nl\/?page_id=657"},"modified":"2022-06-13T10:16:32","modified_gmt":"2022-06-13T09:16:32","slug":"lifting-straps-and-endless-slings","status":"publish","type":"page","link":"https:\/\/www.ekh.nl\/en\/lifting-and-hoisting\/lifting-straps-and-endless-slings\/","title":{"rendered":"Lifting straps and endless slings"},"content":{"rendered":"\n<p>A lifting strap or an endless sling is usually made from a synthetic material. In general, the specified working load is 14.3% of the breaking force. This means that the maximum guaranteed load which can be absorbed by the lifting strap or endless sling is factor 7.<\/p>\n<p>Lifting straps or endless slings are available in a variety of different designs made from synthetic materials. The colour of the label indicates what the material is for the load-bearing fibres. For example, a green label stands for Polyamide (PA), a blue one for Polyester (PES), and brown for Polypropylene (PP).<br>\nThe most common material used for lifting straps and endless slings is polyester (blue).<\/p>\n<h4><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2009\" src=\"https:\/\/www.ekh.nl\/wp-content\/uploads\/2021\/12\/lifting-straps-and-endless-slings.png\" alt=\"\" width=\"278\" height=\"256\"><\/noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2009 lazy\" src=\"data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAzIDIiPjwvc3ZnPg==\" alt=\"\" width=\"278\" height=\"256\" data-src=\"https:\/\/www.ekh.nl\/wp-content\/uploads\/2021\/12\/lifting-straps-and-endless-slings.png\" data-srcset=\"\" srcset=\"\"><\/h4>\n<p>Often, a lifting strap or an endless sling is stitched along its length by a black wire. This wire stands for 1 ton. For a 3-ton strap or sling, there are three black wires along its length.<\/p>\n<h4>How to use straps\/slings<\/h4>\n<p>The user is required to inspect the lifting straps and endless slings on a regular basis. If in any doubt, call in an expert from the EKH. The use of lifting straps and endless slings can be influenced by a number of factors:<\/p>\n<p><strong>Temperature<\/strong><\/p>\n<ul>\n<li>Straps made of synthetic material have a temperature range of between -40 to +100 C.<\/li>\n<li>Wet slings and straps that have become frozen should never be used.<\/li>\n<\/ul>\n<p><strong>Chemicals<\/strong><\/p>\n<ul>\n<li>Corrosive acids and lyes affect the strength of polyester straps and slings.<\/li>\n<\/ul>\n<p><b>Other<\/b><\/p>\n<ul>\n<li>Longer periods of exposure to sunlight can have a negative effect on the strength of synthetic straps and slings.<\/li>\n<li>Sand and cement can increase the amount of wear and tear. Often the fibres cannot easily be cleaned.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4>Safety risks<\/h4>\n<p>Accidents normally result from a combination of factors. By assessing each factor individually and taking appropriate measures, the chance of an accident with lifting gear can be reduced. Negative influences:<\/p>\n<p><strong>The weight of the load to be lifted is not known<\/strong><\/p>\n<p>Lifting straps or endless slings are<\/p>\n<ul>\n<li>frozen<\/li>\n<li>soiled by sand, cement, grease<\/li>\n<li>in contact with paint, chemical substances<\/li>\n<li>improperly stored (not suspended)<\/li>\n<li>aged due to excessive exposure to UV light<\/li>\n<li>damaged<\/li>\n<li>without a label<\/li>\n<li>at the end of their operational life<\/li>\n<\/ul>\n<p>Advice: never take any risks. Especially if the lifting gear is no longer in a proper condition, this should not be used.<\/p>\n<h4>Rejection criteria<\/h4>\n<p>Lifting straps and endless slings which have one or more defects must be rejected immediately and dispensed with:<\/p>\n<ul>\n<li>The working load, quality of material and manufacturer&rsquo;s name is no longer designated<\/li>\n<li>External damage, such as incisions and damage to the edges, broken stitching, chemical corrosion due to e.g. paint, the negative action of welding spatters and heat<\/li>\n<\/ul>\n<h4>Testing of lifting straps and endless slings<\/h4>\n<p>Lifting slings and endless slings are only inspected if, after inspection, there is no indication of the residual strength or the lifespan of the synthetic lifting strap or endless sling.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>A lifting strap or an endless sling is usually made from a synthetic material. In general, the specified working load [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2374,"parent":914,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"Lifting straps and endless slings - EKH | Erkende Keurbedrijven Hijs- en Hefmiddelen","_seopress_titles_desc":"Bij het werken met hijsbanden komt meer kijken dan u wellicht in eerste instantie denkt. Daarom informeren we u graag over alle bijzonderheden. 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