{"title":"Floor Spring","description":null,"products":[{"product_id":"heavy-duty-floor-spring","title":"Concealed Hydraulic Floor Spring Pivot Door Closer – No-Dig 90° Hold-Open (75kg \/ 165 lbs)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Heavy-Duty Concealed Hydraulic Floor Spring and Pivot Door Closer delivers commercial-grade, self-closing functionality without the need to cut, trench, or excavate the subfloor. Engineered to mount seamlessly inside the bottom rail of wooden doors, aluminum-framed glass doors, or commercial metal doors, this non-mortise floor closer preserves delicate floor finishes while supporting door panels up to 75 kg (165 lbs). Featuring an integrated 90-degree hold-open positioning detent and dual-valve independent speed regulation, it provides quiet, controlled swinging motion for modern architectural interiors.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo-Dig Non-Mortise Surface Installation:\u003c\/strong\u003e Eliminates concrete cutting, floor trenching, and structural floor damage. Only a compact 10 mm low-profile anchor plate mounts directly to the finished floor surface.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConcealed Bottom-Rail Integration:\u003c\/strong\u003e Compact 160 mm x 34 mm x 44 mm hydraulic closer body installs completely out of sight inside the door's lower frame for a clean, minimalist aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-Stage Independent Speed Adjustment:\u003c\/strong\u003e Dual hydraulic control valves allow separate, precise adjustment of primary swinging speed and secondary latching closing speed to eliminate door slamming.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90° Hold-Open Detent:\u003c\/strong\u003e Automatically holds the door open at 90 degrees for convenient passage and ventilation; smoothly self-closes with controlled hydraulic damping when closed beyond 85 degrees.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e75kg (165 lbs) High Load Capacity:\u003c\/strong\u003e Reinforced internal springs and heavy-duty pivot bearings reliably support residential and light commercial doors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Pivot Assembly Included:\u003c\/strong\u003e Supplied with an adjustable top retractable pivot hinge, lower hydraulic pivot closer, slim floor anchor plate with decorative trim cover, and heavy-duty expansion anchor hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Concealed Floor Spring \/ Hydraulic Pivot Door Closer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Door Weight:\u003c\/strong\u003e 75 kg (165 lbs)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCloser Body Dimensions:\u003c\/strong\u003e 160 mm L x 34 mm W x 44 mm H (6.3\" x 1.34\" x 1.73\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFloor Plate Dimensions:\u003c\/strong\u003e 110 mm L x 10 mm H (4.33\" x 0.39\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFloor Clearance Gap:\u003c\/strong\u003e 6 mm (0.24\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed Regulation:\u003c\/strong\u003e Two independent valves (1: Closing speed, 2: Latching speed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHold-Open Angle:\u003c\/strong\u003e 90° positioning detent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplicable Door Types:\u003c\/strong\u003e Solid wood doors, aluminum-framed glass doors, steel\/composite doors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinishes Available:\u003c\/strong\u003e Matte Black \/ Brushed Silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1x Concealed Hydraulic Closer Body, 1x Top Retractable Pivot Hinge, 1x Floor Pivot Base Plate with Cover, 4x Heavy-Duty Sleeve Expansion Bolts, 1x Hex Wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWholesale \u0026amp; OEM Capabilities\u003c\/h2\u003e\n\u003cp\u003eNingbo Dimon Metal Products Co.,Ltd is an established architectural door hardware manufacturer in Ningbo, China, supplying commercial hardware distributors, door fabricators, and building contractors worldwide:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Customizations:\u003c\/strong\u003e Custom engineering available for higher capacity ratings (100 kg, 120 kg), non-hold-open versions, or customized pivot offset dimensions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArchitectural Finishes:\u003c\/strong\u003e Standard Matte Black and Brushed Stainless Silver; custom PVD Satin Brass, Oil-Rubbed Bronze, and Rose Gold available for volume orders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExport Packaging:\u003c\/strong\u003e Protective high-density molded foam inserts within drop-test approved corrugated cartons, complete with contractor installation templates and retail barcoding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB2B Logistics:\u003c\/strong\u003e Fast sample turnaround, low MOQ verification, and containerized OEM\/ODM supply chains.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ningbo Dimon Metal Products Co.,Ltd","offers":[{"title":"Black floor spring","offer_id":49370082771083,"sku":null,"price":135.0,"currency_code":"USD","in_stock":true},{"title":"Silver floor spring","offer_id":49370082803851,"sku":null,"price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/0295\/7707\/files\/12568026bb76f72d5dcf710868ca8914.webp?v=1790149715"}],"url":"https:\/\/nbdimon.myshopify.com\/en-it\/collections\/floor-spring.oembed","provider":"Ningbo Dimon Metal Products Co.,Ltd","version":"1.0","type":"link"}