- Architectural Hardware
- Door Hardware
- Hinges
- ANSI Fire Rated Door Hinges
- Fire Rated Door Hinges UL Listed
- BS EN 1935 Grade 13 CE Hinges
- Stainless Steel Hinges
- Steel Hinges
- Brass Hinges
- Conceal Hinges
- Commercial Hinges
- Folding Door Hinges
- Antirust Door Hinges
- Continuous Piano Hinges
- Security Hinges
- Flush Hinges
- Spring Hinges
- Lift Off Hinges
- Flag Hinges
- Electrified Door Hinges
- Heavy Duty Hinges
- Tee Hinges
- Strap Hinges
- Self Closing Hinges
- Hinge Screws
- Glass Hardware
Product Categories
You May Like
High Security Easy Open Back Check Door Closer With UL Fire Rated
- Product Information
Silver
Black Aluminium
White Aluminium
Gold
DC‑021BC High‑Security Easy‑Open Back‑Check Door Closer With UL Fire‑Rated
DC‑021BC high‑security easy‑open back‑check door closer is a reliable UL‑listed fire‑proof door closer from WINGTEC. Manufactured with robust cast‑aluminum alloy housing to retain stable shape for long‑term usage. This surface‑mounted hydraulic door closer delivers smooth long‑term lubricated operation, resistant to aging and damage. Equipped with easy‑open mechanism for reduced opening‑force accessibility requirement, integrated hydraulic back‑check prevents over‑opening and door‑wall impact. Max 180‑degree opening angle, two‑way adjustable closing speed & latching speed. Certified UL‑Listed UL10C 3‑Hour fire‑rated (UL File No.:R40717), complying with North‑American fire‑door self‑closing requirements. Suitable for wooden, metal, steel, interior and exterior fire‑rated door assemblies. Complete installation hardware included. Monthly production capacity up to 200,000 units for B2B wholesale and tender architectural hardware projects.
Product Specification
Model No
DC‑021BC
Brand
WINGTEC
Material
Cast‑Aluminum Alloy Housing, Hydraulic‑Spring Assembly with Easy‑Open & Back‑Check Function
Certification
UL Listed, UL File No.:R40717, UL10C 3‑Hour Fire Rated
Available Finishes
Silver, Black Aluminium, White Aluminium, Gold
Max Opening Angle
180 Degree
Power Size
EN4
Door Weight Range
60‑85KG
Max Door Width
1100mm
Technical Parameter
| Specification | Parameter |
|---|---|
| Product Type | High‑Security Easy‑Open UL Fire‑Rated Surface‑Mount Hydraulic Door Closer with Integrated Back‑Check |
| Operation | Easy‑Open reduced opening‑force, hydraulic back‑check anti‑over‑opening, max 180° opening angle, two‑way adjustable closing & latching speed, hydraulic‑spring auto‑closing, UL10C 3‑Hour fire‑safety certified |
| Material | Cast‑Aluminum Alloy Housing, Precision Hydraulic‑Spring Internal Components |
| Core Functions | High‑security construction, easy‑open accessibility, built‑in back‑check anti‑wall‑strike protection, UL‑listed 3‑hour fire‑safety for fire‑rated door assemblies |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior & Exterior Door Assemblies, Commercial & Residential Fire‑Safety Projects |
| Durability | 500,000 Opening‑Closing Cycles |
| Power Grade | EN4 |
| Operating Temperature | -30℃ ~ +60℃ |
| Production Capacity | 200,000 Units / Month |
| MOQ | 100 PCS |
| Sample Time | 5‑7 Working Days |
| Lead Time | 30‑35 Days |
| Packing | 1 Set / White Box, Standard Export Carton |
Application Scenarios
Commercial Fire‑Rated Door Installations
DC‑021BC UL fire‑rated easy‑open back‑check door closer is ideal for commercial building fire‑rated door‑sets. Cast‑aluminum robust body, easy‑open low‑effort opening for barrier‑free access, hydraulic back‑check buffer protects walls and doors against impact. UL10C three‑hour fire certification satisfies fire‑code requirements for offices, hotels, hospitals and public‑building fire‑door systems.
Multi‑Material Interior & Exterior Door Projects
This surface‑mount high‑security door closer adapts to wooden, metal and steel interior‑exterior door assemblies. Long‑term lubricated hydraulic mechanism, easy installation and maintenance. Perfect solution for new construction and renovation projects requiring fire‑rated high‑security door hardware from WINGTEC.
Key Features
UL Listed UL10C 3‑Hour Fire Rated, UL File No.:R40717
Cast‑aluminum alloy housing for high‑security long‑life service
Special easy‑open design reduces initial opening force for accessibility needs
Built‑in hydraulic back‑check prevents door slamming and wall‑strike damage
Max 180‑degree opening angle, two‑way adjustable closing & latching speed
Surface‑mount installation, fit interior and exterior door assemblies
Compatible with wooden, metal, steel and fire‑rated doors
Passed 500,000 cycles durability test, wide working temperature -30℃~+60℃
Complete mounting accessories included for quick site installation
Installation Guide
DC‑021BC is surface‑mount type. Mount main body on door leaf and connect arm to door frame. Adjust independent valves for closing speed and latching speed. Verify easy‑open performance and back‑check buffer effect on‑site. Works for left‑hand and right‑hand swing doors. Installation must comply with local fire code requirements for fire door assemblies. Professional installation is recommended to maintain UL fire certification validity.
FAQ
Is DC‑021BC suitable for fire rated steel doors?
Yes, DC‑021BC is tested and certified for fire‑rated steel, metal and wooden door assemblies, meets UL10C 3‑hour fire rating requirement.
What is the back‑check function for?
Hydraulic back‑check provides buffer resistance when door opens to wide angle, avoiding door hitting walls and preventing damage to door frame, wall and door closer arm.
Can I adjust closing speed and latching speed separately?
Yes, two independent adjusting valves allow separate tuning of closing sweep speed and final latching speed to meet different site requirements.
Email to this supplier