hydraulic hinge

5-inch F-type Damping Hinge 1.Ultra-thin Shaft Diameter & Advanced Technology**: Featuring an 18.5mm shaft diameter, this split-type damping hinge represents the pinnacle of engineering. A smaller shaft diameter means higher technical含量 (content), as it requires precise craftsmanship to ensure stable damping performance, smooth rotation, and long-lasting durability. It’s a testament to how miniaturization can coexist with superior 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.

1. **Exclusive Patent**: Owns exclusive patent technology, ensuring uniqueness and advanced performance. 2. **Durable Structure & Long Service Life**: Can withstand up to 300,000 open-close cycles, with a durable structure suitable for a temperature range of -30°C to 60°C. 3. **No Oil Leakage**: Features a design that ensures never oil leakage, maintaining a clean and reliable performance. 4. **Removable & Replaceable Components**: Springs and dampers are replaceable, offering convenient maintenance and long-term usability. 5. **Versatile Application**: Suitable for various door types including fire doors, wooden doors, steel entrance doors, aluminum alloy doors, etc., and applicable to scenarios like automatic door closing, damping and buffering, positioning, windproof, and silent locking. 6. **Four Color Options**: Available in Golden, Silver, Black, and Grey to meet different aesthetic needs. 7. **No Slotting Required & No Left-Right Distinction**: Easy to install without the need for slotting, and there is no distinction between left and right installation directions, enhancing installation convenience. 8. **Space Aluminum Material**: Made of space aluminum, it is lightweight (250g per slice) yet can bear up to 25kg per slice, combining strength and portability. 9. **Low After-sales Cost**: Due to its durable and replaceable components, the after-sales maintenance cost is low.

1. 12 Years of Core Tech: Smooth, Stable Operation 12 Years of Hydraulic Damper R&D & Manufacturing – we’ve mastered core tech and hold multiple patents. Ensures smooth, jam-free operation (even high-frequency use) and less post-use maintenance. 2. Dual Authoritative Certifications: Total Quality Peace of Mind Meets GB/T19001-2016 national standard; passed ISO 9001:2015 & SGS certification. Strict full-process quality control – safe for home use, tough for industrial demands, no quality risks. 3. Full-Scenario Coverage: Fits Every Need Home: Great for wardrobes, extendable tables, indoor doors – quiet, no noise. Commercial: Perfect for office sliding doors, display cabinet hinges – stable, no wobble, boosts product texture. Industrial: Ideal for large drawers, equipment slide rails – load-bearing, wear-resistant, durable for heavy use. 4. Flexible Customization + Fast Delivery: No Project Delays Customizable Key Parameters (size, pressure, niche needs). Fast quotes & production – no long waits, keeps your project on schedule. 5. Temp Resistance & Leak-Proof: Reliable in Extremes -45℃~+50℃ Wide Temp Range – stable in extreme cold/hot, no jamming/failure. High-end sealing tech stops oil leakage, cuts maintenance costs & hassle. 6. Durable, Easy Install + Full Support: Total Convenience Durable: High-grade materials (iron, steel, POM) – 50k+ uses (100k+ for premium) – fewer replacements. Easy Install: Simple to assemble/disassemble – lowers labor costs. Support: Pre-sales solutions, after-sales guarantee, stable supply – no stock delays.