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Safety Spring Self Closing Casting Iron Silent UL Fire Door Closer
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DC‑044A Safety Spring Self‑Closing Casting‑Iron Silent UL Fire Door Closer
DC‑044A safety spring self‑closing casting‑iron silent UL fire door closer built for fire‑rated door assemblies. Robust heavy‑duty cast‑iron housing, reliable safety spring self‑closing mechanism with silent damping buffer. Smooth low‑noise closing performance, UL fire‑safety certified to fulfill fire‑door mandatory self‑closing requirements. Classic surface‑mount installation. Optimized for fire‑rated door‑sets, also compatible with metal and wooden interior‑exterior door assemblies. Full‑set mounting accessories are supplied. Monthly production capacity reaches 164,000 units for B2B wholesale architectural cast‑iron silent UL fire‑door door‑closer hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | Safety Spring Self‑Closing Cast‑Iron Silent Surface‑Mount UL Fire Door Closer |
| Operation | Safety spring self‑closing, silent damping buffer, UL fire‑safety certified automatic closing |
| Material | Heavy‑Duty Cast‑Iron Housing + Safety Spring Self‑Closing & Silent Damping Internal Components |
| Core Functions | Cast‑iron heavy‑duty structure, safety spring self‑closing, silent damping, UL fire‑certified for fire‑rated door‑sets |
| Application | Fire‑Rated / Metal / Wooden Interior‑Exterior Door Assemblies, Residential & Commercial UL Fire‑Safety Projects |
| Production Capacity | 164,000 Units / Month |
Application Scenarios
UL‑Compliant Fire‑Rated Door Installations
Safety spring self‑closing cast‑iron silent UL fire door closer for North‑American‑standard fire‑rated door assemblies. Solid cast‑iron heavy‑duty housing, safety spring self‑closing structure meets fire‑code auto‑closing rules, silent damping buffer reduces closing noise for office, hotel and public‑building fire‑door usage scenarios.
Multi‑Material General‑Purpose Door Systems
Surface‑mount cast‑iron silent fire‑rated door closer for commercial building door assemblies. Beyond fire‑rated doors, it works well for metal and wooden interior‑exterior door‑sets, heavy‑duty silent‑closing hardware solution for renovation and new‑build public building projects.
New‑Build & Architectural Tender Projects
Complete installation accessory kit included. Cast‑iron silent UL fire‑safety hardware solution. Suitable for residential‑commercial new‑build, refurbishment and fire‑door door‑closer hardware tender specification packages.
Product Characteristics
Heavy‑duty solid cast‑iron housing, high mechanical strength and structural stability, adapts long‑term heavy‑duty fire‑door working environment
Adopts reliable safety spring self‑closing mechanism equipped with silent damping buffer module, realizes low‑noise soft self‑closing performance without harsh slamming sound
UL fire‑safety certified construction, satisfies mandatory fire‑safety self‑closing specifications for fire‑rated door assemblies under North‑American building codes
Classic surface‑mount installation design, full‑set mounting hardware accessories supplied for convenient on‑site fitting and commissioning
Mainly optimized for UL‑standard fire‑rated door‑sets; also compatible with metal and wooden interior‑exterior door assemblies for residential and commercial fire‑safety building applications
Monthly capacity 164 000 units for B2B wholesale architectural cast‑iron silent UL fire‑door door‑closer hardware orders
Warranty & Customization
Standard quality warranty against manufacturing defects of heavy‑duty cast‑iron housing, safety spring and silent damping internal components
Bulk wholesale supply for architectural North‑American‑standard fire‑safety construction tender projects
2D installation drawing, UL fire‑certificate documents and product performance specification datasheet available for tender submission documentation
Frequently Asked Questions
What is special for DC‑044A cast‑iron fire door closer?
DC‑044A is safety spring self‑closing cast‑iron silent UL fire door closer. Heavy‑duty cast‑iron housing, safety spring self‑closing plus silent damping buffer, UL fire‑safety certified. Fits fire‑rated, metal and wooden interior‑exterior door‑sets.
Does DC‑044A realize silent closing for fire‑doors?
Yes, DC‑044A integrates dedicated silent damping buffer together with safety spring self‑closing mechanism, achieving low‑noise soft closing effect for fire‑rated door assemblies.
Which door‑sets fit DC‑044A UL fire door closer?
Suitable for fire‑rated, metal and wooden interior‑exterior door assemblies in residential and commercial UL fire‑safety building projects for bulk wholesale orders.
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