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UL Listed Adjustable Speed Hidden Track Hydraulic Concealed Overhead Door Closer
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DC‑055 UL‑Listed Adjustable‑Speed Hidden‑Track Hydraulic Concealed Overhead Door Closer
DC‑055 hidden‑track concealed overhead hydraulic fire‑rated door closer manufactured by WINGTEC. High‑strength cast‑aluminium‑alloy main housing together with extruded hidden sliding‑track assembly, precision cam‑motion transmission mechanism, premium leak‑proof sealing gaskets, filled with imported German FUCHS hydraulic oil. Field‑adjustable Size2‑Size5 spring power rating for door weight 30‑120KG, max door width up to 1300 mm. Max opening angle limited to 120‑degree for UL fire‑code compliance, two‑valve independent adjustable closing speed and latching speed. True non‑handed left‑right universal concealed overhead track‑mount installation. UL‑Listed(File‑No.R40717), complies with UL10C 3‑Hour Fire‑Rated and ANSI/BHMA A156.4 Grade1 standard, passes 1,000,000‑cycle durability test. Hidden‑track design conceals most mechanical components overhead to maintain clean interior aesthetics. Suited for wooden, metal, steel and fire‑rated interior‑exterior door‑sets, widely deployed for North‑American‑spec office, retail‑mall, hospitality and commercial‑building fire‑safety projects. Full‑set concealed‑mount installation accessories are supplied. Monthly production capacity reaches 200,000 units for B2B wholesale UL‑compliant North‑American‑market fire‑safety hardware tender projects.
Product Specification
Technical Parameter
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed Cast‑Aluminium‑Alloy Hidden‑Sliding‑Track Concealed Hydraulic Fire‑Rated Overhead Door Closer |
| Operation | Cam‑motion hydraulic‑spring auto‑closing, concealed overhead hidden‑track mount, non‑handed fit, max 120° opening angle complying with UL fire‑code, two‑valve adjustable closing & latching speed, UL‑Listed UL10C 3‑Hour & ANSI/BHMA A156.4 Grade1 certified |
| Material | Cast‑aluminium‑alloy housing, extruded hidden‑sliding‑track assembly, precision cam‑motion transmission unit, piston, high‑grade anti‑leakage sealing gaskets, imported FUCHS hydraulic oil |
| Core Functions | Field‑adjustable Size2‑Size5 spring power rating, hidden‑track low‑profile concealed installation, dual‑valve independent closing‑latching speed tuning, non‑handed universal mounting, UL10C 3‑Hour fire‑rated, 1,000,000‑cycle service life |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior‑Exterior Door Assemblies, North‑American‑Spec Office‑Retail‑Mall‑Hospitality‑Commercial‑building hardware Projects |
| Production Capacity | 200,000 Units / Month |
| MOQ | 200 PCS |
| Sample Time | 5‑7 Working Days |
| Lead Time | 30‑35 Days |
| Packing | 1 Set / White Box, Standard Export Carton |
Application Scenarios
North‑American‑Spec Aesthetic‑Oriented Commercial Installations
DC‑055 UL‑Listed hidden‑track concealed overhead door closer is purpose‑built for North‑American‑spec office, retail‑mall and hospitality fire‑rated door‑sets requiring minimal visible overhead hardware, fully complying with UL10C 3‑Hour fire‑safety and ANSI/BHMA A156.4 Grade1 hardware requirements. Field‑adjustable Size2‑Size5 spring power accommodates varying‑weight 30‑120KG doors up to max 1300mm door width. Unique hidden‑sliding‑track overhead layout hides most mechanical components for neat, streamlined door‑frame visual appearance. True non‑handed universal mounting reduces left‑right‑hand SKU inventory burden for large‑volume North‑American tender projects. UL‑Listed(File‑No.R40717) 3‑hour fire‑rated together with ANSI/BHMA A156.4 Grade1 certification satisfies North‑America commercial fire‑door assembly compliance requirements.
Multi‑Material Door New‑Build & Retrofit Renovation
This UL‑compliant hidden‑track concealed hydraulic door closer adopts high‑strength cast‑aluminium‑alloy housing plus extruded sliding‑track, premium anti‑leak sealing gaskets and German FUCHS hydraulic oil for stable long‑term closing performance. Passed 1,000,000‑cycle durability test. Suited for wooden, metal, steel and fire‑rated interior‑exterior door‑sets for new‑construction and retrofit renovation North‑American commercial hardware assignments. Installation requires pre‑reserved overhead header recess space to fit the hidden‑track assembly. Complete concealed‑mount mounting bracket and screw accessories included for professional on‑site fitting.
Architectural Hardware Tender Specification Projects
Multiple finish‑color selections match mainstream North‑American commercial‑building hardware aesthetic requirements. Datasheet, installation drawings, header‑recess pre‑condition notes and full UL‑Listed & ANSI/BHMA compliance documentation can be supplied for tender‑submission documentation for North‑American‑market building‑project bidding. Custom surface finishes and custom‑packing solutions are available for large‑volume B2B orders.
Product Characteristics
High‑strength cast‑aluminium‑alloy main housing with extruded hidden‑sliding‑track assembly, precision cam‑motion transmission mechanism, high‑quality imported anti‑leak sealing gaskets, filled with imported German FUCHS hydraulic oil; UL‑Listed concealed overhead fire‑door hardware optimized for North‑American‑market aesthetic‑critical commercial‑building projects
Field‑adjustable Size2‑Size5 power‑rating for door weight 30‑120KG, max door width up to 1300 mm, max opening‑angle limited to 120‑degree complying with UL fire‑code constraints
Unique hidden‑sliding‑track concealed overhead mounting layout, reduces exposed protruding hardware for clean interior visual effect; true non‑handed left‑right universal fit; two‑valve independent adjustment for closing speed and latching speed
UL‑Listed(File‑No.R40717), complies with UL10C 3‑Hour Fire‑Rated and ANSI/BHMA A156.4 Grade1 standard, passes 1,000,000‑cycle durability test, meets North‑American fire‑safety building‑hardware regulatory requirements
Concealed overhead hidden‑track installation; suitable for wooden, metal, steel and fire‑rated interior‑exterior door assemblies; requires adequate pre‑reserved door‑header recess space
Full‑set concealed‑mount installation accessories included for professional on‑site fitting; monthly capacity 200,000 units for B2B wholesale North‑American‑project bulk tender orders
Warranty & Customization
Standard quality warranty against manufacturing defects of aluminium housing, hidden‑sliding‑track, cam‑motion transmission assembly and internal hydraulic‑components.
Bulk wholesale supply for architectural construction and North‑American‑market UL‑Listed fire‑safety‑door tender projects; multiple surface‑finish custom options available upon large‑volume request.
2D installation drawing, header‑recess pre‑condition notes and product‑performance‑specification datasheet including UL‑ANSI compliance statement available for tender‑submission documentation.
Frequently Asked Questions
What certifications does DC‑055 hold?
DC‑055 is UL‑Listed(File‑No.R40717), complies with UL10C 3‑Hour Fire‑Rated and ANSI/BHMA A156.4 Grade1 standard, and passes 1,000,000‑cycle durability test for North‑American‑market hidden‑track concealed overhead door‑control hardware.
What door weight and dimension fits DC‑055?
DC‑055 features field‑adjustable Size2‑Size5 spring power, suitable for door weight range 30‑120KG and maximum door width up to 1300 mm, maximum opening‑angle is 120‑degree complying with UL fire‑code constraints.
What special installation requirement applies to DC‑055?
DC‑055 is hidden‑sliding‑track concealed overhead type. It must have sufficient pre‑reserved door‑header recess space to accommodate hidden‑track assembly. Please refer to official dimension drawing before ordering and site‑preparation. It is non‑handed for both left‑handed and right‑handed doors.
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