3303 Series Triangular Shape Door Closer
This series holds UL and CE certifications, and is expertly designed for straightforward installation and precise adjustment of closing speed and force. Every component is manufactured with strict quality control, from the corrosion-resistant trigonal housing to the high-precision internal hydraulic mechanism, ensuring long service life and consistent performance even under frequent, heavy-duty use.
Technical
- Closing Force：EN 2-4
- Body Dimensions：220 mm (L) * 53.5 mm (W) * 46 mm (H)
- Footprint：202 mm * 19 mm
Product Parameters
| Item No. | Overall Dimension | Footprint (A×B) (mm) | Applicable Door Weight(kg) | Applicable Door Width(mm) | Installation Style | Function | Power Size | Certificates | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| L(mm) | W(mm) | H(mm) | |||||||||
| 3303 | 220 | 53.5 | 46 | 202 × 19 | 25-80 | ≤ 1000 | · Standard Installation · Parallel Installation · Top Jamb Installation | · Adjustable Closing & Latching Speed · Built-In Hold Open(Optional) | 2-4 | UL UL10.C CE | · Power Adjustable #2, #3, #4 by Position · Steel Cover(Optional) · Optional Parallel Arm installation (P.A. Bracket can be provided upon Request) |
| 3303 SL | 220 | 53.5 | 46 | 202 × 19 | 25-45 | ≤ 850 | Slide Arm Installation | · Adjustable Closing & Latching Speed · Built-In Hold Open(Optional) | 2 | / | · The power size will reduce to size 2 with slide arm · Steel Cover(Optional) · Optional Parallel Arm installation (P.A. Bracket can be provided upon Request) |
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 has built-in hold-open function.
