- Product Information
Single‑Action Spring Butt Hinge SAS03‑Series (One‑Way Self‑Closing Hinge, Max 90° Opening)
| Model No. | Dimension (H × W × T) |
|---|
3.0mm Thickness Hinges: 60 ~ 80Kgs Per Door
Recommendation: 3 pieces per door
| Material Grade | Application Environment |
|---|---|
| SUS201 | Cost‑effective stainless steel for indoor dry‑environment commercial projects. |
| SUS304 | General‑purpose anti‑corrosion stainless steel for hotel, office, public‑building commercial door projects, indoor & moderate‑humidity outdoor environment. |
| SUS316 | Marine‑grade anti‑corrosion material, suitable for coastal, high‑salt‑spray and high‑humidity harsh environment. |
Medium‑heavy commercial doors requiring 90° stop & one‑way self‑closing function
Office, hospital, retail store, public‑access door assemblies
Interior commercial doors with limited opening angle requirement
Coastal / high‑humidity projects(SUS316 option)
Single‑Action One‑Way Self‑Closing‑Built‑in spring cartridge automatically returns door to closed position in single swing direction.
90‑Degree Opening Stop‑Built‑in mechanical limit restricts maximum opening angle at 90°.
Adjustable Spring Tension‑Closing force can be fine‑tuned for different door weight demands.
Heavy‑Duty 3.0mm Leaf‑Rated for 60‑80Kgs medium‑heavy door weight.
3 Grade Stainless Steel Optional‑SUS201 / SUS304 / SUS316, cover different budget and corrosion‑resistance demand.
6 Surface Finishes Available‑SS, PSS, BP, GP, AB, AC to match diverse door‑finish requirement
OEM Supported‑Custom logo engraving & special packing for bulk project orders



