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UL Listed Automatic Spring Hold Open Fire Rated Door Closer
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DC-017 UL-Listed Automatic Spring Hold Open Fire Rated Door Closer
DC-017 UL‑listed spring hold‑open overhead hydraulic fire‑rated 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, stable performance within‑30℃~60℃ working temperature range. Adjustable EN3‑EN4 power‑size rating for door weight 60‑85KG, max door width up to 1100 mm. Max 180‑degree opening angle, two‑valve independent adjustable closing speed and latching speed. Optional mechanical spring 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. Designed for commercial, hospitality, institutional fire‑rated door assemblies. Suitable for wooden, metal, steel and fire‑rated interior‑exterior door sets. Full‑set mounting accessories are supplied. Monthly production capacity reaches 200,000 units for B2B wholesale architectural spring hold‑open fire‑safety hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed Die‑Cast Aluminum‑Alloy Spring Hold‑Open Hydraulic Overhead Fire‑Rated Door Closer |
| Operation | Hydraulic‑spring auto‑closing, optional spring hold‑open positioning, max 180° opening angle, two‑valve adjustable closing & latching speed, wide‑temp adaptability, 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 EN3‑EN4 power rating, optional spring hold‑open, dual‑speed independent tuning,‑30℃~60℃ wide temperature, 90‑min fire‑rated, 500,000‑cycle durability |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior‑Exterior Door Assemblies, Hotel‑Office‑Hospital‑School Commercial‑Institutional 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
Commercial Institutional Fire‑Rated Installations
DC‑017 UL‑listed spring hold‑open fire‑rated door closer is purpose‑built for hotel, office, hospital and school fire‑rated door‑sets. Adjustable EN3‑EN4 spring power adapts for 60‑85KG door weight. Optional spring‑type hold‑open function permits temporary door retention for pedestrian passage while complying with fire‑safety reset requirements. UL‑Listed UL10C and BS‑EN1154 dual certifications satisfy North‑American and European fire‑safety hardware requirements for commercial‑institutional fire‑door assemblies.
Multi‑Material Door New‑Build & Renovation
This spring hold‑open die‑cast aluminum overhead fire door closer uses premium imported FUCHS hydraulic oil and reliable leak‑proof sealing components for stable lubrication across‑30℃~60℃ ambient range. Passed 500,000‑cycle durability test. Works reliably for wooden, metal, steel and fire‑rated interior‑exterior 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. Selectable spring hold‑open or non‑hold‑open version available. Compliance reports, datasheet and installation drawings are available for tender‑submission documentation for hotel‑office‑hospital‑school 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‑30℃~60℃ wide‑temperature stable commercial‑institutional fire‑door operation
Adjustable EN3 / EN4 power‑rating for door weight 60‑85KG, max door width up to 1100 mm, wide 180‑degree maximum opening angle
Two‑valve independent adjustment for closing speed and latching speed; optional spring‑type mechanical hold‑open positioning function for temporary passage‑access demands
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; compatible with wooden, metal, steel and fire‑rated interior‑exterior 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‑hold‑open components
Bulk wholesale supply for architectural construction and spring hold‑open 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-017 hold?
DC‑017 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 spring hold‑open overhead door‑control hardware.
What door weight and dimension fits DC-017?
DC‑017 features adjustable EN3‑EN4 spring power, suitable for door weight 60‑85KG and maximum door width up to 1100 mm, max opening angle reaches 180‑degree.
What is spring hold‑open function for DC‑017?
Spring‑type hold‑open is an optional upgrade, holds door open at desired angle for temporary access; upon fire signal or manual release, door will auto‑close to satisfy fire‑code requirements. Works for hotel, hospital and school public passage scenarios.
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