Self closing pivot door hinge

Self closing pivot door hinge Key Features: • Extraordinary 500kg Load Capacity: Supports monumental doors up to 500kg (1100lbs) with zero maximum height restriction—ideal for solid timber, steel, stone-clad, or oversized glass doors. • Fully Concealed Design: All mechanical components integrate invisibly into the door leaf; only minimal floor and ceiling plates remain visible for a pure, minimalist aesthetic. • Hydraulic Self-Closing Function: Precision-controlled hydraulic damping provides whisper-quiet automatic closure from -125° to +125° with infinitely adjustable closing speed. • Three Preset Hold Positions: Maintains door position at 0° (closed), 90°, and -90° (full open) without separate floor stops or magnetic catches. • Hydraulic Backcheck Protection: Automatically decelerates door at 70° opening to prevent wall impact—adjustable for wind-loaded exterior applications. • Maintenance-Free Operation: Sealed hydraulic cartridge requires no lubrication, no adjustment, and no servicing for the lifetime of the installation. • 200,000 Cycle Testing: Validated for commercial-duty endurance; suitable for high-traffic hospitality, retail, and multi-residential applications. • Universal Material Compatibility: Accepts timber, steel, aluminum, framed glass, and massive clad door constructions with minimum 40mm thickness. • No Structural Modification Required: Mounts directly onto finished floor and ceiling surfaces; only 45mm anchor depth needed—ideal for retrofits and renovations.