Double Cylinder Glass Door Floor Spring Hinge
This floor spring hinge features double speed adjustment and a ball bearing for smooth closing. It has a fixed closing force and is applicable for glass, wooden, aluminum, and frame doors.





Technical Specifications
Overview
High-Performance Double Cylinder Floor Spring
The HD-8000 is a professional-grade floor spring hinge designed for heavy-duty glass, wooden, and aluminum doors. Engineered with a double cylinder mechanism and high-quality Japanese bearing steel, it ensures smooth, controlled closing even in high-traffic commercial environments. With a tested lifespan of 500,000 cycles and extreme temperature resistance, this floor hinge provides reliable, long-term performance for modern architectural applications.
Performance Metrics
Key Performance Metrics
Technical Specifications
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | HD-8000 |
| Applicable Standards | EN1154 & ISO9001 |
| Engine Cylinder | Double Cylinder |
| Max Door Width | 1000mm - 1200mm |
| Latching Speed Adjustment | 0° - 20° |
| Closing Speed Adjustment | 20° - 90° |
| Operating Temperature | -40°C to 60°C |
Construction & Materials
Internal Components
- Roller Pin: Japan bearing steel for 4x standard strength
- Piston: 45# steel processed via CNC and heat-treated
- Spindle: Single-piece forged steel (no welding) for accuracy
- Spring: 60Si2Mn material tested for 2,000,000 cycles
- Seal Ring: Imported leak-proof design for extreme conditions
- Bearings: High-quality ball bearings for smooth operation

Functional Features
Closing Force Options
- Hold-Open Positions
- 90° Hold-Open105° Hold-OpenNHO (No Hold-Open)
Application
- Compatible Door Types
- Glass DoorWooden DoorAluminum DoorFrame Door
Dimensions
Physical Dimensions
- Length: 324mm
- Width: 130mm
- Height: 56mm

Reliability
- Protection Features
- Corrosion ResistanceLow Temperature ResistantWear-ResistingOil Leak-Proof




