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UL 10C Fire Back Check Heavy Duty Door Closer For Exterior Door
- Product Information
Silver
Black Aluminium
White Aluminium
DC‑039BC UL‑10C Fire Back‑Check Heavy‑Duty Door Closer For Exterior Door
DC‑039BC UL‑10C fire back‑check heavy‑duty exterior door closer from WINGTEC. Constructed with robust cast‑aluminum alloy housing, built‑in premium gear‑shaft, piston, spring and seal‑ring components filled with imported FUCHS hydraulic oil for stable long‑term performance. EN4 power‑size rated for 60‑85kg door weight, max door width up to 1100mm. Integrated hydraulic back‑check function prevents over‑opening and door‑wall impact. Max 180‑degree opening angle, two‑valve independent adjustable closing speed and latching speed. UL‑Listed UL10C 3‑Hour fire‑rated certification, UL File No.:R40717. Suitable for exterior and interior wooden, metal, steel and fire‑rated door assemblies. Passed 500,000‑cycle durability test. Full‑set mounting accessories are supplied. Monthly production capacity reaches 200,000 units for B2B wholesale architectural fire‑safety hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | EN4 UL‑Listed Fire‑Rated Surface‑Mount Hydraulic Heavy‑Duty Exterior Door Closer With Built‑In Back‑Check |
| Operation | 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 Gear‑Shaft, Piston, Spring, Seal‑Ring, FUCHS hydraulic oil |
| Core Functions | 60‑85kg door load‑bearing, max 1100mm door width, built‑in back‑check anti‑wall‑strike protection, 180° max opening angle, UL‑listed 3‑hour fire‑safety for exterior & interior fire‑rated door‑sets, 500,000‑cycle durability |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior & Exterior Door Assemblies, Commercial & Residential 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 |
| Packing | 1 Set / White Box, Standard Export Carton |
Application Scenarios
Heavy‑Duty Exterior Fire‑Rated Door Installations
DC‑039BC UL fire‑rated heavy‑duty exterior door closer with back‑check for commercial building exterior fire‑rated door‑sets. EN4 grade supports 60‑85kg doors up to 1100mm width, hydraulic back‑check buffer protects walls and door leaf from impact damage. UL10C three‑hour fire certification satisfies North‑American fire‑code requirements for exterior and semi‑exterior fire‑safety door assemblies.
Multi‑Material Interior & Exterior Door Projects
This surface‑mount heavy‑duty hydraulic door closer adapts to wooden, metal and steel interior‑exterior door assemblies. Passed 500,000‑cycle durability test with premium FUCHS hydraulic oil for long‑term stable lubricated performance even under exterior environmental conditions. Ideal hardware for new‑build and renovation fire‑safety tender projects.
Commercial Public‑Building Architectural Tender Projects
Complete installation accessory kit included. Suited for hospital, school, hotel and office heavy‑weight exterior‑interior fire‑door hardware specifications. Reliable EN4 heavy‑load performance for high‑frequency usage doors. Documentation available for architectural tender submission.
Product Characteristics
EN4 power‑size, 60‑85KG door weight bearing capacity, max door width 1100mm, heavy‑duty cast‑aluminum alloy housing
UL Listed UL10C 3‑Hour Fire Rated, UL File No.:R40717 for interior and exterior fire‑safety door assemblies
Built‑in hydraulic back‑check prevents door slamming and wall‑strike damage, max 180‑degree opening angle
Two‑valve independent adjustable closing speed and latching speed, premium internal components with imported FUCHS hydraulic oil
Passed 500,000‑cycle durability test for frequent‑use exterior and interior heavy‑duty door conditions
Surface‑mount installation, compatible with wooden, metal, steel and fire‑rated interior‑exterior door‑sets
Comes with full‑set mounting hardware accessories for quick on‑site installation; monthly capacity 200 000 units for B2B wholesale orders
Warranty & Customization
Standard quality warranty against manufacturing defects of aluminium housing and internal hydraulic‑spring components
Bulk wholesale supply for architectural construction and exterior‑interior fire‑safety tender projects
2D installation drawing and product performance specification datasheet available for tender submission documentation
Frequently Asked Questions
What door weight and width fits DC‑039BC?
DC‑039BC EN4 heavy‑duty door closer supports door weight 60‑85KG and maximum door width up to 1100mm, designed for exterior and interior fire‑rated heavy‑door assemblies.
Can DC‑039BC be installed on exterior doors?
Yes, DC‑039BC is specially engineered for exterior‑interior applications. Premium FUCHS hydraulic oil guarantees stable hydraulic performance for exterior environmental conditions.
What protection does back‑check function provide?
Hydraulic back‑‑check delivers buffer resistance at large opening angle, preventing heavy exterior door striking against wall and protecting door, frame and wall from impact damage.
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