- 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
UL Listed Fire Resistance Back Check Indoor Automatic Heavy Door Closer
- Product Information
Silver
Black Aluminium
White Aluminium
DC‑040BC UL‑Listed Fire‑Resistance Back‑Check Indoor Automatic Heavy‑Door Closer
DC‑040BC UL‑listed fire‑resistance back‑check indoor automatic heavy‑door closer built for heavy‑weight interior‑exterior fire‑rated door assemblies. Robust cast‑aluminum alloy housing, EN5 heavy‑duty power size, integrated hydraulic back‑check for anti‑over‑opening protection preventing door‑wall impact. Max 180‑degree opening angle, two‑way adjustable closing speed and latching speed. UL‑listed UL 10C 3‑hour fire‑safety certification, UL File No.:R40717, satisfies North‑American heavy‑duty fire‑door auto‑closing standards. Classic surface‑mount installation. Optimized for heavy‑weight interior fire‑rated door‑sets, also compatible with wooden, metal and steel interior‑exterior door assemblies. Full‑set heavy‑duty mounting accessories are supplied. Monthly production capacity reaches 200,000 units for B2B wholesale architectural UL‑listed fire‑resistance back‑check heavy‑door door‑closer hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed UL10C 3‑Hour Fire‑Rated EN5 Heavy‑Duty Surface‑Mount Hydraulic Door Closer With Integrated Back‑Check |
| Operation | EN5 heavy‑duty power, hydraulic back‑check anti‑over‑opening, max 180° opening angle, two‑way adjustable closing & latching speed, hydraulic‑spring auto‑closing, UL‑Listed UL10C 3‑Hour fire‑safety certified |
| Material | Heavy‑Duty Cast‑Aluminum Alloy Housing + EN5 Power‑Size Hydraulic‑Spring & Integrated Back‑Check Damping Internal Components |
| Core Functions | EN5 heavy‑duty output, built‑in back‑check anti‑wall‑strike protection, 180° max opening angle, UL‑listed UL10C 3‑hour fire‑safety for heavy‑weight fire‑rated door‑sets |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior‑Exterior Door Assemblies, Residential & Commercial UL‑Listed Fire‑Safety Projects |
| Production Capacity | 200,000 Units / Month |
| MOQ | 100 PCS |
| Sample Time | 5‑7 Working Days |
| Lead Time | 30‑35 Days |
Application Scenarios
Heavy‑Duty Interior‑Exterior Fire‑Door Installations
UL‑listed fire‑resistance back‑check heavy‑door closer for EN5 grade heavy‑weight fire‑rated door assemblies. Cast‑aluminum durable housing, 180‑degree wide opening, hydraulic back‑check buffer to avoid door striking walls. UL‑10C 3‑hour fire certification meets North‑American fire‑code for residential and commercial heavy interior‑exterior fire‑door‑sets.
Multi‑Material Heavy‑Door Systems
Surface‑mount EN5 heavy‑duty UL‑listed door closer works for wooden, metal and steel interior‑exterior door‑sets. Durable long‑term lubricated mechanism, easy‑to‑install hardware for new‑build and renovation fire‑safety projects requiring back‑check protection.
Key Features
UL Listed UL10C 3 Hour Fire Rated, UL File No.:R40717
EN5 power size for heavy weight door assemblies
Built‑in hydraulic back‑check prevents door hitting wall
Max 180° opening angle, adjustable closing & latching speed
Cast aluminum alloy housing, surface mount installation
Suitable for wooden, metal, steel and fire rated doors
Complete mounting hardware included for quick site installation
Installation Guide
DC‑040BC is surface mounted. Install the main body on door leaf and arm to door frame. Adjust two independent valves for closing speed and latching speed. Verify back‑check buffer performance before project handover. Suitable for left‑hand and right‑hand swing doors. Please follow local fire code requirements for fire door hardware installation.
FAQ
Is DC‑040BC UL listed for fire door?
Yes. DC‑040BC carries UL10C 3‑hour fire rating certification with UL File No.R40717, compliant for North America fire door assemblies.
What door weight fits EN5 size?
EN5 power size is designed for heavy doors, commonly for door weight up to 120kg, widely used on commercial and fire‑rated door systems.
What is back‑check function?
Back‑check provides hydraulic damping at large opening angle to stop door slamming hard against wall, protecting door, frame and wall from impact damage.
Email to this supplier