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UL Listed Barrier Free Interior Adjustable Door Closer with Back Check Function
- Product Information
Silver
Black Aluminium
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Antique Brass
DC-019BC UL-Listed Barrier-Free Interior Adjustable Door Closer with Back-Check Function
DC-019BC barrier‑free interior adjustable overhead hydraulic door closer manufactured by WINGTEC. High‑strength die‑cast aluminum‑alloy housing, equipped with precision gear‑shaft, adjustable‑toughness spring, piston and premium leak‑proof sealing assemblies, filled with imported German FUCHS hydraulic oil. Built‑in adjustable back‑check buffer absorbs opening impact to protect interior walls and door frames. Adjustable EN2‑EN3 power‑size rating for door weight 40‑65KG, max door width up to 950 mm. Max 180‑degree 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. Supports standard‑arm, top‑jamb and parallel‑arm universal overhead mounting. Optimized for barrier‑free compliant interior wooden, metal and fire‑rated door assemblies. Full‑set mounting accessories are supplied. Monthly production capacity reaches 200,000 units for B2B wholesale architectural barrier‑free interior fire‑safety hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed Die‑Cast Aluminum‑Alloy Barrier‑Free Adjustable Interior Hydraulic Overhead Fire‑Rated Door Closer with Back‑Check |
| Operation | Hydraulic‑spring auto‑closing, adjustable back‑check buffer, optional hold‑open positioning, max 180° opening angle, two‑valve adjustable closing & latching speed, UL‑Listed & BS‑EN1154 fire‑safety certified |
| Material | Die‑Cast Aluminum‑Alloy housing, precision gear‑shaft, adjustable‑toughness spring, piston, seal‑ring assembly, imported FUCHS hydraulic oil |
| Core Functions | Adjustable EN2‑EN3 power rating, barrier‑free interior compliant, built‑in back‑check buffer, dual‑speed independent tuning, optional hold‑open, 90‑min fire‑rated, 500,000‑cycle durability |
| Application | Barrier‑Free Wooden / Metal / Fire‑Rated Interior Door Assemblies, Hospital‑Office‑Public Access Interior 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
Barrier‑Free Compliant Interior Installations
DC‑019BC UL‑Listed barrier‑free interior door closer with back‑check is purpose‑built for hospitals, offices and public‑access interior door‑sets. Adjustable EN2‑EN3 spring force meets barrier‑free access requirements. Built‑in adjustable back‑check buffer cushions forceful door opening to avoid collision damage to interior walls and door frames. UL‑Listed UL10C and BS‑EN1154 dual certifications satisfy North‑American and European fire‑safety and accessibility hardware requirements.
Multi‑Material Interior Door New‑Build & Renovation
This barrier‑free die‑cast aluminum overhead door closer uses premium imported FUCHS hydraulic oil and reliable leak‑proof sealing components for long‑term stable lubrication. Passed 500,000‑cycle durability test. Works reliably for wooden, metal and fire‑rated barrier‑free interior door‑sets for new‑construction and retrofit renovation hardware assignments.
Architectural Hardware Tender Specification Projects
Complete mounting hardware kit included, universal mounting supports standard‑arm, top‑jamb and parallel‑arm installation. Adjustable spring power covers 40‑65KG interior door range, optional hold‑open variant available. Compliance reports, datasheet and installation drawings are available for tender‑submission documentation for barrier‑free public‑access building projects.
Product Characteristics
High‑strength die‑cast aluminum‑alloy housing, adjustable‑toughness spring and premium leak‑proof sealing components, filled with imported German FUCHS hydraulic oil for barrier‑free interior‑use stable performance
Adjustable EN2 / EN3 power‑rating for door weight 40‑65KG, max door width up to 950 mm, wide 180‑degree maximum opening angle
Built‑in adjustable back‑check buffer to absorb sharp opening impact and prevent door‑wall collision; 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 durability test
Universal overhead mounting: supports standard‑arm, top‑jamb and parallel‑arm installation; optimized for barrier‑free compliant wooden, metal and fire‑rated interior door assemblies
Full‑set mounting accessories included for quick on‑site installation; monthly capacity 200,000 units for B2B wholesale orders
Warranty & Customization
Standard quality warranty against manufacturing defects of die‑cast aluminum housing and internal adjustable‑spring hydraulic‑back‑check components
Bulk wholesale supply for architectural construction and barrier‑free interior public‑access 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-019BC hold?
DC-019BC 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 durability test for barrier‑free interior overhead door‑control hardware.
What door weight and dimension fits DC-019BC?
DC-019BC has adjustable EN2‑EN3 spring power, suitable for door weight 40‑65KG and maximum door width up to 950 mm, max opening angle reaches 180‑degree.
What is barrier‑free design advantage for DC-019BC?
Adjustable EN2‑EN3 output force meets accessibility barrier‑free requirements for public interior spaces. Built‑in back‑check buffer prevents door slamming into walls. Hold‑open function can be selected as optional upgrade for special passage scenarios.
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