{"title":"Floor Spring","description":"","products":[{"product_id":"bts75v-size-1-4-floor-spring","title":"BTS75V Size 1-4 Floor Spring","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eProduct Information\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Dorma BTS75 Floor Springs are designed for versatility and reliability, featuring an adjustable strength size of 1-4. These springs can be utilized on both single and double action doors when paired with the appropriate accessory pack.\u003c\/p\u003e\n\u003cp\u003eAvailable with or without a 90-degree hold open feature, these floor springs accommodate doors weighing up to 120kg and measuring a maximum width of 1100mm. They are rigorously tested to meet BS EN1154 standards and are CE Marked for quality assurance.\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eProduct Specification\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting:\u003c\/strong\u003e Concealed - Installed into 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 50mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 82mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 285mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Door Weight:\u003c\/strong\u003e 120kg\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 Adjustable Size 1-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle:\u003c\/strong\u003e Yes - 15mm (not including 3mm collar).\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 No.\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 Available without hold open or with 90-degree hold open (note: hold open model is not suitable for use on fire doors).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE Marked:\u003c\/strong\u003e (Products with factory-fitted hold open do not carry a CE mark).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNon Handed.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBTS75VSA:\u003c\/strong\u003e Single Action Accessory Pack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBTS75VDA:\u003c\/strong\u003e Double Action Accessory Pack.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dormakaba","offers":[{"title":"90 degree hold open","offer_id":43424379928665,"sku":"DF-BTS75VHO","price":256.36,"currency_code":"GBP","in_stock":true},{"title":"No hold open","offer_id":43424379961433,"sku":"DF-BTS75V","price":256.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9035\/8617\/files\/BTS75V_1_1_58bd8c0d-e35a-4061-b4e7-4dbf02775a1a.avif?v=1781174486"},{"product_id":"bts80-size-4-floor-spring","title":"BTS80 Size 4 Floor Spring","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eProduct Information\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Dorma BTS80 Floor Springs are designed for durability and versatility, 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 measuring 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\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eProduct Specification\u003c\/strong\u003e\u003c\/h2\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\u003eStandards:\u003c\/strong\u003e Tested to BS EN1154.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eHeight: 60mm\u003c\/li\u003e\n\u003cli\u003eWidth: 78mm\u003c\/li\u003e\n\u003cli\u003eLength: 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\u003cstrong\u003eSpindle Options:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eYes - BTS80EN4 - 15mm (excluding 3mm collar)\u003c\/li\u003e\n\u003cli\u003eNo - BTS80F\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dormakaba","offers":[{"title":"Default Title","offer_id":43424383664217,"sku":"DF-BTS80EN4","price":462.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9035\/8617\/files\/Screenshot_11-6-2026_161848_www.duffells.com.jpg?v=1781174940"}],"url":"https:\/\/metalix.co.uk\/collections\/floor-spring.oembed","provider":"Metalix Hardware","version":"1.0","type":"link"}