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Aluminium 60 To 85KG Bearing Back Check Door Closer With UL Listed
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DC‑025BC Aluminium 60‑85KG Bearing Back‑Check Door Closer With UL Listed
DC‑025BC 60‑85KG bearing capacity back‑check door closer from WINGSTEC. Made of high‑strength cast‑aluminum alloy housing with premium internal gear shaft, piston, spring and seal ring, filled with German FUCHS hydraulic oil for long service life. Built‑in hydraulic back‑check function prevents over‑opening and door‑wall impact. Max 180‑degree opening angle, two‑way adjustable closing speed and latching speed. UL‑Listed UL10C 3‑Hour fire‑rated certification, UL File No.:R40717. Fits 60‑85kg wooden, metal, steel and fire‑rated interior‑exterior door assemblies. Complete mounting accessories are included. Monthly production capacity reaches 200,000 units for B2B wholesale architectural door‑closer hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | 60‑85KG Bearing Surface‑Mount Hydraulic Back‑Check UL Fire‑Rated Door Closer |
| 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, High‑Grade Internal Gear‑Shaft, Piston, Spring, Seal‑Ring, FUCHS hydraulic oil |
| Core Functions | 60‑85kg door bearing capacity, built‑in back‑check anti‑wall‑strike protection, 180° max opening angle, UL‑listed 3‑hour fire‑safety for fire‑rated door‑sets |
| 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
Commercial Fire‑Rated Door Installations
DC‑025BC UL fire‑rated back‑check door closer is suitable for office, hotel, hospital and public‑building fire‑rated door‑sets. 60‑85kg heavy‑door bearing capacity, hydraulic back‑check buffer prevents door hitting walls. UL10C three‑hour fire certification meets North‑American fire‑code requirements for commercial fire‑safety door assemblies.
Multi‑Material Interior & Exterior Door Projects
This surface‑mount hydraulic door closer adapts to wooden, metal and steel interior‑exterior door assemblies. Premium hydraulic components with German FUCHS oil deliver long‑term stable lubricated performance. Perfect hardware for new‑build and renovation fire‑safety tender projects.
Education & Government Building Hardware Projects
Complete installation accessory kit included. Reliable 60‑85kg load‑bearing performance for high‑frequency usage doors in schools, government facilities and hospitality projects. Supports architectural tender specification documentation.
Product Characteristics
60‑85KG door weight bearing capacity, cast‑aluminum alloy housing for heavy‑duty long‑life service
UL Listed UL10C 3‑Hour Fire Rated, UL File No.:R40717 for fire‑safety door assemblies
Built‑in hydraulic back‑check prevents door slamming and wall‑strike damage, max 180‑degree opening angle
Two‑way adjustable closing speed and latching speed, premium internal parts with imported FUCHS hydraulic oil
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 fire‑safety tender projects
2D installation drawing and product performance specification datasheet available for tender submission documentation
Frequently Asked Questions
What door weight can DC‑025BC support?
DC‑025BC back‑check door closer is designed for door weight from 60KG up to 85KG, suitable for medium‑heavy fire‑rated and commercial door assemblies.
Does DC‑025BC have UL fire‑rated certification?
Yes, DC‑025BC is UL‑Listed UL10C 3‑Hour fire‑rated with UL File No.:R40717, compliant for North‑American fire‑door self‑closing hardware requirements.
What is the function of back‑check on DC‑025BC?
Hydraulic back‑‑check provides buffer resistance at large opening angle, to avoid door slamming hard against wall and protect door, frame and wall from impact damage.
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