Hydraulic Door Hinge

5-inch F-type Damping Hinge
1.Ultra-thin Shaft Diameter & Advanced Technology: Boasting an 18.5mm shaft diameter, this split-type damping hinge stands as a paragon of engineering excellence. A smaller shaft diameter signifies a higher technical caliber, as it demands precise craftsmanship to guarantee stable damping performance, seamless rotation, and enduring durability. This is a testament to how miniaturization can harmoniously coexist with exceptional functionality.

2.Intelligent Damping & Multi-zone Control**: The hinge is designed with multi-stage motion control. It has a **130° door suction zone** for secure positioning, an **85° arbitrary stay zone** that allows the door to halt at any angle within this range for convenience, a **windproof buffer zone** that reduces impact from airflow, and a **20° locking zone** for seamless latching. Plus, it offers collision-proof automatic rebound, preventing damage from accidental impacts and ensuring the door always returns to its proper position smoothly.

3.Robust Construction & Wide Compatibility**: Built with high-quality materials, the 5-inch F-type hinge boasts excellent load-bearing capacity and corrosion resistance, suitable for various door types in residential and commercial spaces. Its sleek black finish and F-type design not only enhance the aesthetic appeal of doors but also ensure easy installation, making it a versatile choice for different architectural styles.

4.Quiet Operation & User Comfort**: The damping mechanism eliminates noisy slams, providing a quiet living and working environment. Whether you're closing the door gently or with a bit more force, the hinge's consistent damping effect ensures a smooth, silent motion, enhancing user experience and adding a touch of luxury to everyday interactions with doors.

5.Innovative Split Design & Longevity**: The split-type structure allows for easier maintenance and replacement if needed, while also distributing stress more evenly, thus extending the hinge’s service life. This design innovation ensures that the hinge remains a reliable component of your door system for years, combining practicality with cutting-edge engineering.

a.Innovative 3D Hidden Design**: Features a concealed structure that integrates seamlessly with doors, offering both functional excellence and aesthetic minimalism.
b.Dual Power Spring System**: Utilizes high-load energy-storage springs to deliver stronger door-closing force, ensuring efficient and reliable opening and closing cycles.
c.Dual Buffering System with Exclusive Technology**: Adopts revolutionary integrated European-standard dampers, providing superior shock absorption and smooth operation.
d.Oil-free Power Chamber**: Eliminates the need for hydraulic oil injection, achieving a breakthrough in hydraulic hinges with **zero oil leakage**, ensuring long-term performance stability.
e.Exceptional Low-temperature Resistance**: Engineered with advanced materials and unique processes, it operates smoothly even at -25°C, unfazed by frost, ice, and snow challenges.
f.Adjustable Door-closing Force & Damper**: Door-closing force is customizable to suit different door types, from lightweight entrance doors to heavy fire-resistant doors. The damper offers two modes—silent closing and stable locking—switchable with one click for personalized use.
g.Optimized Functional Angle Design**: Boasts a unique angle structure with a free door-holding zone (180°-110°), a soft-closing zone (110°-20°), and a damping locking zone (20°-0°), ensuring a smooth, comfortable, and controlled door operation experience.

a.Universal Adaptability and Technological Inclusiveness
The 6-inch E-type damping hinge, with a split-structural framework, lowers operational thresholds, covers all application scenarios, retains high-precision damping, optimizes assembly/debugging via modular design, and breaks traditional dependence on environment and skills.

b.Stable Power Output and High-Durability Spring Assembly
The hinge’s 7mm ultimate stroke design ensures long-term power output stability, mitigates component fatigue-induced power decay, and maintains reliable damping performance over extended use.

c.Comprehensive Resolution of Cushioning Failure Risks
A key innovation is a modular damper system for inspection, monitoring, and component replacement, unlike traditional hydraulic hinges that need full replacement when buffers fail, causing high costs and downtime.

d.Zero Oil Leakage Design and Environmental Compatibility
This hinge’s oil-free power chamber is a key advantage over traditional hydraulic hinges, which rely on hydraulic oil (prone to leakage, degrading performance, causing environmental risks, and complicating maintenance).

e.Innovative Split Linkage Mechanism for Reduced Wear
At the core of the hinge’s durability lies its pioneering split linkage structure, a design breakthrough that minimizes component wear and friction-induced degradation. In traditional hinges, the spring, transmission shaft, and damper often operate in a mutually constrained, coaxial manner, leading to high linkage friction and accelerated wear of critical components.

### Product Highlights of 4-inch Split-type Damping Hinge
- **Innovative Structure**: Pioneering split - structure linkage ensures smooth and reliable operation.
- **Ultra - Small Shaft Diameter**: Boasts an industry - leading 18.5mm shaft diameter, representing high technical content.
- **Temperature Resistance**: Maintains consistent closing speed even in extreme temperatures ranging from - 30°C to 60°C.
- **Advanced Transmission**: Features innovative bead - type transmission for enhanced durability and stability.
- **Replaceable Components**: Springs and dampers are replaceable, allowing for easy maintenance and extended product life.
- **Integrated Buffering**: Built - in damping buffer provides silent locking, automatic door closing, and effective positioning.
- **User - Friendly Installation**: No need for adjustment during installation, and the process can be completed in just 3 simple steps.
- **Versatile Application**: Suitable for various door types including fire doors, wooden doors, entrance doors, and aluminum alloy doors.
- **Long Service Life**: Capable of withstanding up to 150,000 open - and - close cycles, ensuring long - term reliability.
- **Eco - Friendly & Durable Material**: Constructed from space aluminum, it is durable, eco - friendly, and offers a load - bearing capacity of ≥25Kg per slice.

This furniture hinge is smooth closure hinge with hydraulic damping, which can achieve a smooth and quiet closing effect. It is suitable for both household furniture and commercial use. Its hydraulic-like operation method brings a luxurious feeling every time it is used, and it is a durable door accessory.

This damping furniture hinge, as an advanced split-type door hinge, features silent operation and automatic positioning functions, making it ideal for use in environments sensitive to noise. Its leak-proof design ensures long-lasting durability and reliability.

- **After-Sales Cost? Barely a Whisper**: Ditch the pricey pro repairs of traditional hinges. Our 6-inch F-type damping hinge lets you swap springs and dampers like a breeze—no tech squad needed. Save big on after-sales, ‘cause replacing the whole hinge? That’s so last season.
- **Force Stages? Switch at Your Whim**: A simple twist on the pre-pressing screw, and you’re bouncing between two force modes. It’s tailor-made for any door, any vibe—total control, no sweat.
- **4-in-1 Marvel: Hinge, Closer, Stopper, Positioner**: Why clutter with multiple hardware? This hinge is a one-stop shop—buffers, positions, closes doors flawlessly. It’s the Swiss Army knife of door hardware, minus the knife.
- **175° Wide Open & Smart Motion Mastery**: Your door swings open to a jaw-dropping 175° and locks into place. Hover freely from 85°-130°, auto-close below 85°, and dampen tight below 20°—it’s like your door has a mind of its own, and it’s brilliant.
- **Long-Life Loop: Refresh, Don’t Replace**: When damping gets lazy, swap the damper and boom—good as new. This hinge isn’t just a buy; it’s a long-term, low-fuss investment.

With an innovative split design, it reduces component wear and boosts durability vs traditional integrated hydraulic hinges. The core series delivers 500,000 opening-closing cycles, far exceeding industry norms.

Adopts an oil-free power chamber configuration that eradicates the hazard of oil seepage—a long-standing drawback plaguing conventional hinges. Additionally, its springs and dampers are detachable and replaceable, substantially cutting down post-sales maintenance expenses for users.

Boasts a 4-in-1 integrated design (hinge, door closer, door stop, and positioner), obviating the requirement for extra independent components and streamlining both installation and usage processes.

Offers flexible angle customization: it accommodates a maximum opening angle of 175°, enables free positioning between 85° and 130°, and allows for effortless switching between two-stage force settings. Moreover, it maintains reliable performance within a temperature range of -37℃ to 60℃, making it adaptable to diverse climatic conditions.

Features user-centric installation: most models offer left-right universal compatibility, while select series incorporate a nail-pull non-adjustment design to boost operational efficiency. Complementing its functionality are four elegant color variants (Luxury Gold, Shining Silver, Moonlight Black, Phantom Gray), designed to harmonize with various decoration styles.

Backed by exclusive patents and cutting-edge 18.5mm small shaft diameter technology, the product ensures high technical value and strong market competitiveness, standing out as a leading solution in the architectural hardware sector.

The Pioneering 18.5mm Pull-out No-adjustment Split-type Damping Hinge
- **Innovative Pull-nail & No-adjustment Design**: Features a pull-nail type non-adjustable structure, making installation remarkably convenient and time-saving, eliminating the hassle of complex adjustments during setup.
- **Industry-leading 18.5mm Pipe Diameter**: Breaks through industry limits with a pioneering 18.5mm shaft diameter. The smaller the shaft diameter, the higher the technical content, showcasing superior engineering and manufacturing capabilities.
- **Adjustable Closing Force & Smart Door Control**: After the door is closed, the closing force is adjustable. It also has a functional angle design: the door automatically returns when opened to 160°, with a wind buffer zone from 80° to 20°, a silent locking zone from 20° to 0°, and an arbitrary door-holding zone from 160° to 80°, enabling precise and intelligent door movement control.
- **Enhanced Performance & Durability**: Boasts smooth damping, quiet operation, and precise positioning. Its sturdy build guarantees long-lasting reliability, ideal for diverse door types and application scenarios.