Overview

The Ningbo Dimon Heavy-Duty Hydraulic Self-Closing Door Hinge combines the functions of a heavy-load pivot hinge, an automatic door closer, and a hydraulic soft-close damper into a single elegant architectural butt hinge. Engineered specifically for minimalist hidden doors, frameless flush doors, and premium residential or hospitality interiors, it eliminates the need for unsightly overhead door closer boxes and floor springs. Featuring an internal micro-hydraulic cylinder with tool-adjustable closing tension and latching speed, it ensures smooth, whisper-quiet automatic closure while preventing sudden door slams. Universal non-handed design fits both left- and right-swinging doors, available in sophisticated matte black, brushed satin silver, and satin champagne gold finishes.

Key Features

• 3-in-1 Integrated Mechanism: Replaces traditional butt hinges, overhead hydraulic closers, and floor springs with a clean, low-profile architectural barrel hinge.
• Silent Hydraulic Soft-Close Buffering: Internal precision hydraulic damper cushions the final swing arc (from 15° to 0°), ensuring gentle, silent latching without slamming or vibration.
• Adjustable Closing Force & Speed: Top and bottom adjustment dials allow effortless fine-tuning of spring tension and hydraulic damping rate using the included hex key to match door weight and draft resistance.
• Non-Handed Universal Reversible Design: Fully reversible for left-hand or right-hand inward- or outward-opening doors, simplifying inventory and job-site installation.
• Engineered for Invisible & Flush Doors: Clean barrel aesthetic preserves minimalist architectural lines on hidden panel doors, concealed secret rooms, and frameless doorframes.
• Heavy-Duty Load Capacity: Reinforced thickened metal leaves and precision multi-ball bearing pivots support heavy solid wood and composite doors weighing up to 60 kg – 80 kg (132 – 176 lbs) per pair.
• Architectural Finish Options: High-durability electroplated and PVD finishes in Matte Black, Brushed Satin Silver, and Satin Champagne Gold resist corrosion, tarnishing, and wear.

Technical Specifications

• Product Type: Hydraulic Damping Self-Closing Door Hinge (Butt Hinge Style)
• Material: Heavy-Duty Space Aluminum / Stainless Steel Alloy Core
• Mechanism: Integrated Micro-Hydraulic Cylinder & Torsion Spring
• Closing Functions: Automatic self-closing with hydraulic soft-close buffering
• Handing: Universal Non-Handed (Reversible for Left-Hand or Right-Hand doors)
• Applicable Door Thickness: 40 mm – 50 mm (approx. 1-1/2" to 2")
• Maximum Door Weight: Up to 60 kg – 80 kg (132 – 176 lbs) with 2 hinges; up to 100 kg (220 lbs) with 3 hinges
• Finish Options: Matte Black, Brushed Satin Silver, Satin Champagne Gold
• Package Contents: Hydraulic hinge, tension adjustment hex key, and high-tensile countersunk wood screws

Wholesale & OEM Capabilities

• Custom Finishes: Custom architectural finishes including gunmetal grey, oil-rubbed bronze, and brushed rose gold.
• Hinge Height & Leaf Thickness: Standard 5" and 6" heights with 3.0 mm to 4.0 mm leaf thickness available to contractor specs.
• Bulk & Retail Packaging: Packaged in high-density foam molded gift boxes or contractor master cartons with clear alignment templates.
• Direct B2B Supply: Factory-direct wholesale pricing, low MOQ, and full container or LCL ocean freight from Ningbo, China.