
Patch Fitting Door
It's a buried axle spring or a built-in vertical ground spring. Its door panel can be opened freely inside and outside.
Specifications
| Spring Type | Buried axle spring / Built-in vertical ground spring |
| Door Thickness | 40mm - 45mm |
| Wall Thickness | 90mm - 350mm |
| Eco Performance | Odourless, Anti-Dampness, Soundproof |
| Certifications | CE, ISO9001:2008, SGS |
Key Features
01
Bi-directional Opening
Door panel swings freely both inward and outward for maximum traffic convenience.
02
Durable Mechanics
Heavy-duty patch fittings ensure long-term stability and precise alignment.



