{"product_id":"5-inch-hydraulic-self-closing-invisible-door-hinge-50kg-damping-buffer","title":"5-Inch Hydraulic Self-Closing Invisible Door Hinge 50KG","description":"\n\u003ch2\u003e5-Inch Hydraulic Self-Closing Invisible Door Hinge – Quiet, Smooth \u0026amp; Modern\u003c\/h2\u003e\n\u003cp\u003eUpgrade your interior doors with this premium \u003cstrong\u003ehydraulic self-closing invisible door hinge\u003c\/strong\u003e. Crafted from durable aluminum alloy with an electrophoresis surface finish, this 5.5-inch hinge offers silent, controlled door closure every time — keeping your home tidy, secure, and noise-free. Its sleek, concealed design blends seamlessly into any modern interior.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydraulic Damping Buffer:\u003c\/strong\u003e Delivers whisper-quiet, controlled closing action — no slamming, no noise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInvisible Design:\u003c\/strong\u003e Concealed installation for a clean, minimalist aesthetic on wooden doors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e180° Opening Angle:\u003c\/strong\u003e Full-range door swing with hydraulic positioning zones for smooth operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Zone Hydraulic Positioning:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e0°–45°: Gradual slow-close zone\u003c\/li\u003e\n      \u003cli\u003e45°–85°: Quick-close zone\u003c\/li\u003e\n      \u003cli\u003e95°–165°: Hold-open positioning zone\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e Supports up to 50 kg with 2 pcs, up to 80 kg with 3 pcs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum Alloy Construction:\u003c\/strong\u003e Lightweight yet strong, resistant to corrosion and daily wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Finish Options:\u003c\/strong\u003e Available in Gold, Silver, Black, and Grey to match your décor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Each pack includes 1 hinge + screws — all you need for a quick, hassle-free fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDFL-R019D\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Treatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrophoresis\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGold \/ Silver \/ Black \/ Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 Degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Load (2 pcs)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Load (3 pcs)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Door Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 2000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Door Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e450 g \/ pc\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x Hinge + Screws\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China (Mainland)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApartment interiors and home renovation projects\u003c\/li\u003e\n  \u003cli\u003eWooden interior doors in living rooms, bedrooms, bathrooms, and offices\u003c\/li\u003e\n  \u003cli\u003eAny space where quiet, automatic door closing is a priority\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-3pcs-cute-animal-anti-collision-door-stopper-self-adhesive-soft-rubber-mute-wall-protector-pad-home-bumper-guard-1\"\u003eCute Animal Anti-Collision Door Stopper – Self-Adhesive Wall Protector Pad\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2pcs-stainless-steel-hook-self-adhesive-bathroom-wall-door-hook-coat-racks-punch-free-clothes-towel-hanger-home-storage-hooks\"\u003eSelf-Adhesive Stainless Steel Wall \u0026amp; Door Hooks – Punch-Free Coat Rack\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/adjustable-faucet-hanging-sink-sponge-holder-drain-basket-kitchen-storage-organizer-multifunctional-kitchen-gadget\"\u003eAdjustable Faucet Hanging Sink Sponge Holder \u0026amp; Drain Basket\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of doors are compatible with this hydraulic self-closing hinge?\u003c\/h4\u003e\n\u003cp\u003eA: This 5-inch invisible hydraulic hinge is designed for \u003cstrong\u003ewooden interior doors\u003c\/strong\u003e with a maximum height of 2000 mm and maximum width of 90 mm, making it ideal for standard apartment and home interior doors in living rooms, bedrooms, bathrooms, and home offices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many hinges do I need per door?\u003c\/h4\u003e\n\u003cp\u003eA: For doors up to \u003cstrong\u003e50 kg\u003c\/strong\u003e, 2 hinges are sufficient. For heavier doors up to \u003cstrong\u003e80 kg\u003c\/strong\u003e, we recommend using 3 hinges for optimal support and smooth hydraulic performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I adjust the closing speed of this hydraulic door hinge?\u003c\/h4\u003e\n\u003cp\u003eA: The hydraulic mechanism features three built-in positioning zones (0°–45° slow close, 45°–85° quick close, 95°–165° hold-open), providing an automatic, controlled closing sequence. The zones work together to deliver a consistently smooth and quiet door close without manual adjustment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this hinge truly invisible when the door is closed?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The concealed design means the hinge is hidden within the door and frame when the door is in a closed position, maintaining a clean and seamless aesthetic — ideal for modern, minimalist interiors.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of doors are compatible with this hydraulic self-closing hinge?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 5-inch invisible hydraulic hinge is designed for wooden interior doors with a maximum height of 2000 mm and maximum width of 90 mm, making it ideal for standard apartment and home interior doors in living rooms, bedrooms, bathrooms, and home offices.\"}}, {\"@type\": \"Question\", \"name\": \"How many hinges do I need per door?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For doors up to 50 kg, 2 hinges are sufficient. 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The concealed design means the hinge is hidden within the door and frame when the door is in a closed position, maintaining a clean and seamless aesthetic — ideal for modern, minimalist interiors.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-Inch Hydraulic Self-Closing Invisible Door Hinge 50KG\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/products\/5-inch-hydraulic-self-closing-invisible-door-hinge-50kg-damping-buffer\"}]}\u003c\/script\u003e","brand":"VIBE","offers":[{"title":"Black","offer_id":67712727285987,"sku":"14:29#Black","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Sliver","offer_id":67712727318755,"sku":"14:193#Sliver","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67712727351523,"sku":"14:350850","price":359.99,"currency_code":"USD","in_stock":true},{"title":"Grey","offer_id":67712727384291,"sku":"14:202010806#Grey","price":359.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8383\/9203\/files\/S4a618e858c1245768dfd97089a43bfd6j.webp?v=1792164232","url":"https:\/\/vibeshopmart.com\/products\/5-inch-hydraulic-self-closing-invisible-door-hinge-50kg-damping-buffer","provider":"VIBE","version":"1.0","type":"link"}