100 Series Concealed Door Closer, UL Certified
This series has undergone rigorous durability testing, which has obtained UL certification. It maintains stable performance in both high and low temperature as well as humid environments.
Technical
- Closing Force :3 or 4
- Body Dimensions:230 mm (L) * 63 mm (W) * 32 mm (H)
Product Parameters
| Item No. | Overall Dimension | Footprint (mm) | Applicable Door Weight(kg) | Applicable Door Width(mm) | Installation Style | Function | Power Size | Certificates | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| L(mm) | W(mm) | H(mm) | |||||||||
| 103 | 230 | 63 | 32 | – | 40-65 | ≤ 950 | Concealed Installation | · Adjustable Closing & Latching Speed · Slide tracking arm with hold-open function (Optional) | 3 | UL UL10.C | · Concealed overhead closer, “invisible” door closer · Die casting aluminum body |
| 103A | 230 | 63 | 32 | – | 40-65 | ≤ 950 | Concealed Installation | · Adjustable Closing & Latching Speed · Slide tracking arm with hold-open function (Optional) | 3 | UL UL10.C | · Concealed overhead closer, “invisible” door closer · Aluminum extruded sections |
| 104 | 230 | 63 | 32 | – | 60-80 | ≤ 1050 | Concealed Installation | · Adjustable Closing & Latching Speed · Slide tracking arm with hold-open function (Optional) | 4 | UL UL10.C | · Concealed overhead closer, “invisible” door closer · Die casting aluminum body |
| 104A | 230 | 63 | 32 | – | 60-80 | ≤ 1050 | Concealed Installation | · Adjustable Closing & Latching Speed · Slide tracking arm with hold-open function (Optional) | 4 | UL UL10.C | · Concealed overhead closer, “invisible” door closer · Aluminum extruded sections |

Application Scenarios
Commercial Buildings: Offices, shopping malls, hotels, restaurants and retail stores
Public Facilities: Hospitals, schools, airports, libraries and government buildings
Fire Safety: Fire doors, stairwells and emergency exit passages
Residential & Apartments: Entrance doors, common areas and multi-family housing
Industrial & Special Use: Factories, server rooms, climate-controlled spaces and high-traffic areas
FAQs
What types of doors is this series suitable for?
This series is designed for various door types, including wooden and metal doors.
Is this door closer suitable for both left and right-hand doors?
Yes, this series features a non-handed design. A single unit can be installed on either left-hand or right-hand opening doors, which greatly simplifies installation and inventory management.
Do you provide OEM services for this door closer?
Yes. As a direct source manufacturer, we offer comprehensive OEM and ODM services. We can customize surface treatments, packaging, and specific spring strength configurations to perfectly align with your brand requirements.
Does this series support hold-open function?
Yes, this series can be equipped with a hold-open arm to realize the hold-open function.





