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SS304 Single Action Spring Hinge Fire Rated Butt Door Hinge
- Product Information
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SS033 SS304 Single Action Spring Hinge Fire Rated Butt Door Hinge
SS033 SS304 single‑action spring hinge manufactured by WINGTEC. Single‑action one‑way swing self‑closing spring butt hinge constructed from premium SS304 stainless‑steel. Built‑in adjustable spring mechanism allows tuning closing force and speed for different door weights. Single‑direction swing function for standard fire‑rated door assemblies. Multiple hole template layout and pin tip selections, full mortise butt installation. Heavy‑duty spring assembly for frequent commercial opening‑closing cycles. Multiple decorative surface finishes available. UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 CE standards and conforms to NFPA80 fire door requirements. Suitable for wooden, hollow‑metal and steel fire‑rated door‑sets. Widely applied in education, healthcare, hospitality, government and office building architectural hardware tender projects. Monthly production capacity reaches 200000 units for B2B bulk wholesale orders.
Product Specification
Technical Parameter
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed SS304 Single‑Action Adjustable‑Spring Full Mortise Butt Hinge For Fire‑Rated Door, UL File No.R42033 |
| Operation | Single‑action one‑way swing self‑closing function, built‑in adjustable spring to modify closing force/speed, multiple hole template layout and pin tip options, full mortise installation. UL‑Listed UL10C(UL File No.R42033) & EN1935 CE fire‑safety certified, meets NFPA80 fire door standards. |
| Material | SS304 stainless‑steel hinge leaf, single‑action heavy‑duty adjustable spring assembly, multiple decorative surface treatments |
| Core Functions | Single‑direction swing self‑closing spring hinge, adjustable spring tension to match different door weight. Multi finish, pin tip and hole template options, 3‑hour fire‑rated, for wooden/hollow‑metal/steel fire‑rated door assemblies |
| Application | Wooden, hollow‑metal and steel fire‑rated door assemblies, education, healthcare, hospitality, government and office building hardware tender projects |
| Production Capacity | 200000 Units / Month |
| MOQ | 500 Pairs |
| Sample Time | 5‑7 Working Days |
| Lead Time | 30‑35 Days |
| Packing | 1 Pair / White Box / Color Box / Blister Card, Standard Export Carton |
Application Scenarios
Single‑Swing Fire‑Rated Door Installations
SS033 SS304 single‑action spring butt hinge is purpose‑built for one‑way swing fire‑rated door‑sets. Premium SS304 stainless‑steel provides reliable anti‑corrosion performance for indoor commercial environments. Adjustable internal spring mechanism allows fine‑tuning closing force and speed to fit varying door weights. Heavy‑duty spring construction sustains repeated high‑frequency opening‑closing cycles in public buildings. Various hole templates and pin tip variants adapt for wooden, hollow‑metal and steel fire‑door frame cut‑out requirements. UL‑Listed UL10C(UL File No.R42033) and EN1935 certifications comply with international fire‑safety building‑code standards for single‑action spring hinge assemblies.
Institutional Facilities New‑Build & Renovation
This SS304 single‑action spring butt hinge fits wooden, hollow‑metal and steel fire‑rated door‑sets. Widely specified for school, hospital, hotel, government and office building new‑construction and retrofit renovation hardware tender projects. Rich surface‑finish selections match diverse interior architectural decoration styles.
Architectural Hardware Tender Specification Projects
Complete matching mounting‑screw accessories included. Full‑mortise butt mounting with single‑action spring mechanism. Multiple hole‑template, pin‑tip and finish selections available. UL compliance datasheet, EN test report, installation drawings and compliance documents can be supplied for tender‑submission for institutional fire‑safety building‑projects, UL certification under file R42033.
Product Characteristics
SS304 stainless‑steel hinge leaf, single‑action one‑way swing spring‑loaded construction, adjustable‑tension heavy‑duty spring assembly; self‑closing performance, anti‑rust property for commercial fire‑door usage
Adjustable spring tension for matching different door‑weight requirements; multiple hole‑template layout and pin‑tip selections for various fire‑door cut‑out specifications
Classic full‑mortise butt‑hinge installation; single‑direction swing design, abundant decorative‑finish selections for interior building matching
UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 CE, conforms to NFPA80 fire‑door standards for single‑action spring‑hinge hardware
Full‑mortise butt‑type mounting; performance‑optimized for wooden / hollow‑metal / steel fire‑rated door assemblies
Complete matching mounting‑screw accessories supplied; monthly capacity 200000 units for B2B wholesale single‑action spring‑hinge bulk tender‑orders
Warranty & Customization
Standard quality warranty against manufacturing defects of SS304 hinge‑leaf and internal adjustable spring components for fire‑rated door application
Bulk wholesale supply for architectural‑construction and institutional fire‑safety‑door tender‑projects; custom finish, custom‑pin‑style, tip‑style and hole‑template variants are available
2D installation drawing, performance datasheet and UL‑compliance statement documentation available for tender‑submission documentation, UL File R42033
Frequently Asked Questions
What certifications does SS033 single‑action spring hinge hold?
SS033 is UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 CE and conforms to NFPA80 fire‑door requirements for SS304 single‑action adjustable‑spring butt‑hinge hardware.
What is single‑action spring hinge used for?
SS033 single‑action spring hinge delivers one‑way swing self‑closing function. Adjustable spring tension adapts to different door‑weights, widely used for standard inward‑swinging fire‑rated wooden, hollow‑metal and steel door assemblies.
Any installation note for SS033 fire‑rated spring hinge?
Adjust spring tension according to actual door weight during installation. Installation must strictly comply with local fire‑code for fire‑door assemblies to maintain full fire‑safety performance.
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