{"product_id":"dorma-bts80-size-4-floor-spring","title":"Dorma BTS80 Size 4 Floor Spring","description":"\u003cp\u003e\u003cstrong\u003eProduct Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Dorma BTS80 Floor Springs are designed for versatility and reliability, featuring a fixed strength size 4. These springs are suitable for both single and double action doors when paired with the appropriate accessory pack.\u003c\/p\u003e\n\u003cp\u003eCapable of supporting doors weighing up to 300kg and with a maximum width of 1100mm, these floor springs have been rigorously tested to meet BS EN1154 standards and are CE Marked for quality assurance.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHold open functionality\u003c\/li\u003e\n\u003cli\u003eBack check mechanism\u003c\/li\u003e\n\u003cli\u003eDelayed action\u003c\/li\u003e\n\u003cli\u003eAdjustable closing speed\u003c\/li\u003e\n\u003cli\u003eAdjustable latch action\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed explanations of these functions, please refer to our FAQs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting:\u003c\/strong\u003e Concealed - Installed within the floor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested to:\u003c\/strong\u003e BS EN1154.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 78mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 341mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Door Weight:\u003c\/strong\u003e 300kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Door Width:\u003c\/strong\u003e 1100mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrength:\u003c\/strong\u003e Fixed Size 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Options:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eYes - BTS80EN4 - 15mm (excluding 3mm collar)\u003c\/li\u003e\n\u003cli\u003eNo - BTS80F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Closing Speed:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Latch Action:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelayed Action:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackcheck:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold Open:\u003c\/strong\u003e Any angle between 75 and 175 degrees (Note: hold open variants are not suitable for use on Fire Doors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Hold Open Angle:\u003c\/strong\u003e Between 75 and 105 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE Marked:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon Handed:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese features make the Dorma BTS80 Floor Springs an excellent choice for a variety of door applications, ensuring both functionality and safety.\u003c\/p\u003e","brand":"Dormakaba","offers":[{"title":"Adjustable hold open","offer_id":53915408433490,"sku":"BTS80EN4-UDF","price":585.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/7994\/7858\/files\/BTS80EN4_1.avif?v=1783147428","url":"https:\/\/upvcfittings.co.uk\/products\/dorma-bts80-size-4-floor-spring","provider":"My Store","version":"1.0","type":"link"}