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UL Listed Fire Rated Silent Concealed Overhead Door Closer
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DC-055 UL‑Listed Fire‑Rated Silent Concealed Overhead Door Closer
DC‑055 UL‑listed silent concealed‑track overhead hydraulic fire‑rated door closer manufactured by WINGTEC. Precision die‑cast aluminium‑alloy concealed housing, equipped with precision gear‑shaft, fixed‑force spring, piston and premium leak‑proof sealing assemblies, filled with imported German FUCHS hydraulic oil for ultra‑silent smooth closing performance. Fixed EN3 power‑size rating for door weight 40‑65KG, max door width up to 950 mm. Max 130‑degree dual‑swing opening angle, two‑valve independent adjustable closing speed and latching speed. Optional mechanical hold‑open positioning function. UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R40717), complies with BS‑EN1154 standard, passes 90‑minute fire‑resistance test and 500,000‑cycle durability test. Concealed overhead sliding‑track mounting, fully recessed inside door‑frame to eliminate protruding exposed hardware, improves site safety by reducing collision‑pinch hazards. Optimized for healthcare, educational, government and high‑traffic commercial fire‑rated door assemblies. Suitable for wooden, metal, steel and fire‑rated interior‑exterior door sets. Full‑set concealed‑track mounting accessories are supplied. Monthly production capacity reaches 200,000 units for B2B wholesale architectural silent concealed fire‑safety hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed Die‑Cast Aluminium‑Alloy Silent Concealed‑Track Hydraulic Overhead Fire‑Rated Door Closer |
| Operation | Hydraulic‑spring ultra‑silent auto‑closing, concealed‑track recessed mounting, optional hold‑open positioning, max 130° dual‑swing opening angle, two‑valve adjustable closing & latching speed, UL‑Listed & BS‑EN1154 fire‑safety certified |
| Material | Precision die‑cast aluminium‑alloy housing, precision gear‑shaft, fixed‑force spring, piston, seal‑ring assembly, imported FUCHS hydraulic oil |
| Core Functions | Fixed EN3 power rating, ultra‑silent smooth closing, 130° dual‑swing opening limitation, recessed concealed‑track installation, dual‑speed independent tuning, optional hold‑open, 90‑min fire‑rated, 500,000‑cycle durability |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior‑Exterior Door Assemblies, Healthcare‑Education‑Government‑High‑Traffic Commercial Hardware 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
Silent‑Demand Healthcare & Educational Installations
DC‑055 UL‑listed silent concealed overhead fire door closer is purpose‑built for hospital patient corridors, schools and government‑building high‑traffic fire‑rated door‑sets. Concealed‑track fully‑recessed layout hides hardware within overhead door‑frame, eliminates protruding parts to reduce pedestrian tripping and pinch‑injury risks. Fixed EN3 spring delivers ultra‑quiet smooth closing performance for 40‑65KG doors, built‑in 130‑degree dual‑swing opening stop prevents wall‑frame collision damage. UL‑Listed UL10C and BS‑EN1154 dual certifications satisfy North‑American and European fire‑safety hardware requirements for silent‑operation concealed fire‑door assemblies.
Multi‑Material Door New‑Build & Renovation
This silent concealed‑track aluminium overhead door closer uses premium imported FUCHS hydraulic oil and reliable leak‑proof sealing components for long‑term low‑noise stable performance. Passed 500,000‑cycle high‑traffic durability test. Works reliably for wooden, metal, steel and fire‑rated interior‑exterior door‑sets for new‑construction and retrofit renovation hardware assignments requiring noise‑reduced concealed overhead hardware.
Architectural Hardware Tender Specification Projects
Complete concealed‑track mounting hardware kit included. Optional hold‑open variant available for passage‑access corridors. Compliance reports, datasheet and installation drawings are available for tender‑submission documentation for hospital‑school‑government high‑traffic building projects.
Product Characteristics
Precision die‑cast aluminium‑alloy concealed housing, premium leak‑proof sealing components, filled with imported German FUCHS hydraulic oil, realizing ultra‑silent smooth closing for healthcare‑education high‑traffic fire‑door operation
Fixed EN3 power‑rating for door weight 40‑65KG, max door width up to 950 mm, built‑in 130‑degree dual‑swing maximum opening stop
Concealed‑track fully‑recessed overhead mounting removes exposed protruding hardware for anti‑trip anti‑pinch safety benefit; two‑valve independent adjustment for closing speed and latching speed; optional mechanical hold‑open positioning function
UL‑Listed UL10C 3‑Hour fire‑rated, complies with BS‑EN1154, passes 90‑minute fire‑resistance test and 500,000‑cycle high‑traffic durability test
Concealed‑track overhead mounting; optimized for noise‑sensitive wooden, metal, steel and fire‑rated interior‑exterior door assemblies
Full‑set concealed‑track installation accessories included for professional on‑site fitting; monthly capacity 200,000 units for B2B wholesale orders
Warranty & Customization
Standard quality warranty against manufacturing defects of aluminium housing and internal fixed‑spring hydraulic‑components
Bulk wholesale supply for architectural construction and silent‑operation concealed‑mount healthcare‑education fire‑safety‑door tender projects; optional hold‑open variant and multiple surface‑finish custom options available
2D installation drawing and product‑performance‑specification datasheet including UL‑BS‑EN compliance statement available for tender‑submission documentation
Frequently Asked Questions
What certifications does DC‑055 hold?
DC‑055 is UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R40717), complies fully with BS‑EN1154, also passes 90‑minute fire‑resistance test and 500,000‑cycle high‑traffic durability test for silent concealed‑track overhead door‑control hardware.
What door weight and dimension fits DC‑055?
DC‑055 adopts fixed EN3 spring power, suitable for door weight 40‑65KG and maximum door width up to 950 mm, max dual‑swing opening angle limited to 130‑degree.
What is the advantage of DC‑055 silent concealed‑track design?
Concealed‑track recessed installation eliminates protruding hardware to reduce tripping and pinch‑injuries, paired with ultra‑silent hydraulic performance, ideal for noise‑sensitive spaces such as hospital wards and school corridors. Hold‑open function is available as optional upgrade subject to local fire‑code requirements.
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