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| Model NO. | 503 |
| Material | Aluminum Alloy |
| Type | Door Closer |
| Function | Stop, Fixed, Delay, Adjustable, Buffered |
| Door Width | 950mm |
| Door Weight | 45~65Kg |
| Installation | Standard, Top-Jamb Parallel Arm |
| Standards | UL Listed, CE Certified, American Standard |
Surface-Mounted Automatic Hydraulic Door Closer
This high-performance aluminum alloy door closer is engineered for durability and reliability. It is ideal for home, light commercial, and fire exit applications, ensuring smooth and silent closure every time.
| Size | 223 * 206 * 19 mm |
| Door Weight Range | 45 - 65 kg |
| Hold-Open Function | Optional (with Hold Open Slide Arm) |
| Feedback Function | Normally Open or Normally Closed signal |
| Linkage Function | DC24V Working state, auto release on power off |





Key Advantages
Specializing in high-quality door hardware, we focus on fashionable designs and effective service. Every product undergoes rigorous quality control throughout the mass-production process.