2025 Series Square Door Closer, CE Adjustable

The OUBAO 2025 Series square door closer integrates minimalist styling with reliable performance, making it an ideal solution for modern commercial and residential buildings. Its compact, square body offers a clean, cohesive appearance that matches perfectly with door frames and contemporary interior designs.
Constructed from high-strength materials and precision hydraulic control, the 2025 Series ensures smooth, stable and quiet door operation. It supports independent adjustment of closing speed and latching speed, while the power size can be finely tuned via a dedicated adjustment valve. Delay action function is also available as an optional feature, and the built-in back check function remains optional for enhanced safety and control.
Having undergone rigorous performance testing and obtained CE certification, this series guarantees stable operation and long-lasting durability even in demanding environments.

 

Technical

  • Power Size:1-4 or 2-5
  • Body Dimensions:233 mm (L) * 60 mm (W) * 42.5 mm (H)
  • Footprint:100 mm * 43 mm 

Product Parameters

Item No.Overall DimensionFootprint (mm)Applicable Door Weight(kg)Applicable Door Width(mm)Installation StyleFunctionPower SizeCertificatesNotes
L(mm)W(mm)H(mm)
2025BC2336042.5100 × 4320-120≤ 1250

 · Standard Installation

 · Parallel Installation

 · Top Jamb Installation

· Adjustable Closing & Latching Speed

· Back Check

· Scissors arm with hold-open function (Optional)

2-5CE· Die-casting Body & Steel Scissors Arm

· Power Adjustable #2, #3, #4, #5 by power adjustable valve

2025BC SL2336042.5100 × 4315-80≤ 1100Slide Arm Installation· Adjustable Closing & Latching Speed

· Back Check

· Slide tracking arm with hold-open function (Optional)

1-4CE· The power size will reduce to size 1-4 with slide arm

· Die-casting Body & Slide Track Arm

2025BCDA2336042.5100 × 4320-120≤ 1250

 · Standard Installation

 · Parallel Installation

 · Top Jamb Installation

· Adjustable Closing & Latching Speed

· Back Check

· Delay Action

· Scissors arm with hold-open function (Optional)

2-5CE· Die-casting Body & Steel Scissors Arm

· Power Adjustable #2, #3, #4, #5 by power adjustable valve

2025BCDA SL2336042.5100 × 4315-80≤ 1100Slide Arm Installation· Adjustable Closing & Latching Speed

· Back Check

· Delay Action

· Slide tracking arm with hold-open function (Optional)

1-4CE· The power size will reduce to size 1-4 with slide arm

· Die-casting Body & Slide Track Arm

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. Beyond our standard Silver, White, and Black finishes, 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.

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