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UL Listed Cam Action Concealed Commercial Fire Rated Door Closer
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DC-052 UL‑Listed Cam‑Action Concealed Commercial Fire‑Rated Door Closer
DC‑052 UL‑listed cam‑action concealed overhead hydraulic fire‑rated door closer manufactured by WINGTEC. Heavy‑duty ductile‑iron shell combined with aluminium‑alloy cam‑action mechanism, equipped with precision gear‑shaft, multi‑grade adjustable spring, piston and premium leak‑proof sealing assemblies, filled with imported German FUCHS hydraulic oil for smooth silent dual‑swing concealed‑mount performance. Adjustable EN2‑EN3‑EN4 power‑size rating for door weight 20‑80KG, max door width up to 1100 mm. Max 120‑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. Fully concealed overhead cam‑action installation, mechanism recessed inside door‑frame track for clean invisible aesthetic appearance. Optimized for high‑traffic commercial public‑building 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 cam‑action concealed fire‑safety hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed Ductile‑Iron & Aluminium‑Alloy Cam‑Action Concealed‑Track Hydraulic Overhead Fire‑Rated Door Closer |
| Operation | Cam‑action hydraulic‑spring auto‑closing, concealed recessed‑track mounting, optional hold‑open positioning, max 120° dual‑swing opening angle, two‑valve adjustable closing & latching speed, UL‑Listed & BS‑EN1154 fire‑safety certified |
| Material | Ductile‑iron heavy‑duty shell, aluminium‑alloy cam‑action assembly, precision gear‑shaft, multi‑grade adjustable spring, piston, seal‑ring assembly, imported FUCHS hydraulic oil |
| Core Functions | Adjustable EN2‑EN3‑EN4 power rating, 120° dual‑swing limited opening, fully‑hidden cam‑action 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, High‑Traffic Commercial‑Public Building 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
High‑Traffic Concealed‑Mount Commercial Installations
DC‑052 UL‑listed cam‑action concealed fire‑rated door closer is purpose‑built for airport, office, retail and public‑building high‑traffic fire‑rated door‑sets. Cam‑action concealed‑track design fully hides the mechanism inside overhead door‑frame, delivering minimalist invisible hardware visual effect. Multi‑grade adjustable EN2‑EN3‑EN4 spring power covers wide 20‑80KG door‑weight spectrum, 120‑degree dual‑swing opening limitation prevents wall and frame impact damage. UL‑Listed UL10C and BS‑EN1154 dual certifications satisfy North‑American and European fire‑safety hardware requirements for concealed‑mount commercial fire‑door assemblies.
Multi‑Material Door New‑Build & Renovation
This cam‑action concealed‑track heavy‑duty door closer uses premium imported FUCHS hydraulic oil and reliable leak‑proof sealing components for long‑term smooth silent concealed‑mount operation. Passed 500,000‑cycle heavy‑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 zero exposed surface hardware.
Architectural Hardware Tender Specification Projects
Complete concealed‑track cam‑action mounting hardware kit included. Multi‑adjustable spring force adapts mixed‑weight door schedules; optional hold‑open variant available. Compliance reports, datasheet and installation drawings are available for tender‑submission documentation for high‑aesthetic high‑traffic public‑commercial building projects.
Product Characteristics
Heavy‑duty ductile‑iron shell plus aluminium‑alloy precision cam‑action mechanism, premium leak‑proof sealing components, filled with imported German FUCHS hydraulic oil for smooth silent concealed‑track high‑traffic commercial‑fire‑door operation
Multi‑grade adjustable EN2 / EN3 / EN4 power‑rating for door weight 20‑80KG, max door width up to 1100 mm, limited 120‑degree dual‑swing maximum opening angle
Unique cam‑action fully‑recessed concealed‑track overhead installation; two‑valve independent adjustment for closing speed and latching speed; optional mechanical hold‑open positioning function for public‑site passage‑access demands
UL‑Listed UL10C 3‑Hour fire‑rated, complies with BS‑EN1154, passes 90‑minute fire‑resistance test and 500,000‑cycle heavy‑traffic durability test
Special cam‑action concealed‑track overhead mounting; optimized for high‑aesthetic high‑traffic 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 ductile‑iron shell, aluminium‑alloy cam‑action assembly and internal adjustable‑spring hydraulic‑components
Bulk wholesale supply for architectural construction and cam‑action concealed‑mount public‑commercial 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‑052 hold?
DC‑052 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 cam‑action concealed‑track overhead door‑control hardware.
What door weight and dimension fits DC‑052?
DC‑052 multi‑adjustable EN2‑EN3‑EN4 spring power, suitable for door weight 20‑80KG and maximum door width up to 1100 mm, max dual‑swing opening angle limited to 120‑degree.
What is cam‑action concealed‑track installation advantage?
Cam‑action concealed‑track system embeds the complete mechanism inside overhead door‑frame track, eliminates exposed surface‑mount hardware for premium clean aesthetics for public and commercial projects. Hold‑open function is available as optional upgrade subject to local fire‑code requirements.
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