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5 Inch SS304 Flag Type Butt Door Hinge For Metal Fire Rated Door
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SS030‑A 5‑Inch SS304 Flag‑Type Butt Door Hinge For Metal Fire‑Rated Door
SS030‑A 5‑inch SS304 flag‑type butt door hinge manufactured by WINGTEC. Made of premium SS304 stainless‑steel, separable flag‑leaf structure allows door lifting‑off without removing mounting screws, convenient for hollow‑metal / steel door installation and maintenance. Equipped with precision ball‑bearing washer assembly for long‑term lubricated, smooth and silent door swing. Multiple pin selections: fixed pin, loose pin, non‑rising removable pin; tip styles optional: flat, ball, rivet, crown tip. Flag‑style full‑mortise mounting, well‑adapted for hollow‑metal and steel door cut‑out features. UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 and conforms to NFPA80 fire‑door standards. Full matching mounting‑screw accessories are supplied. Optimized for hollow‑metal and steel fire‑rated door assemblies for commercial buildings. Monthly production capacity reaches 200000 units for B2B wholesale metal‑door architectural fire‑safety tender projects.
Product Specification
Technical Parameter
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed 5‑Inch SS304 Separable Flag‑Type Full‑Mortise Butt Door Hinge For Hollow‑Metal Fire‑Rated Door, UL File No.R42033 |
| Operation | Ball‑bearing long‑lubrication quiet swing, separable flag‑leaf for convenient door mounting & removal, multi‑pin & multi‑tip optional, flag‑style full‑mortise installation adapted for hollow‑metal door, UL‑Listed UL10C(UL File No.R42033) & EN1935 fire‑safety certified, meets NFPA80 |
| Material | SS304 stainless‑steel flag‑type hinge leaf, separable flag‑leaf housing, ball‑bearing washer set, multiple decorative surface treatments |
| Core Functions | SS304 anti‑corrosion property, separable flag‑leaf simplifies hollow‑metal door install & maintenance, ball‑bearing smooth swing, 3‑hour fire‑rated, dedicated for steel / hollow‑metal commercial fire‑door usage |
| Application | Hollow‑Metal / Steel Fire‑Rated Door Assemblies, commercial architectural 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, Standard Export Carton |
Application Scenarios
Hollow‑Metal & Steel Commercial Fire‑Door Installations
SS030‑A 5‑inch SS304 flag‑type butt hinge is specially engineered for hollow‑metal and steel commercial fire‑rated door‑sets. SS304 stainless‑steel material provides reliable anti‑rust performance for indoor commercial environments. Separable flag‑leaf structure enables lifting door off frame without dismounting screws, greatly improving installation and maintenance efficiency for hollow‑metal doors. Precision ball‑bearing washer guarantees stable silent swing under frequent commercial traffic. Flexible pin and tip selections fit diverse hollow‑metal door frame cut‑out requirements. UL‑Listed UL10C(UL File No.R42033) and EN1935 certifications comply with international fire‑safety building‑code for hollow‑metal flag‑type butt‑hinge assemblies.
Institutional Building New‑Build & Renovation
This 5‑inch SS304 flag‑type butt‑hinge is tailored for hollow‑metal and steel fire‑rated doors. Widely used in office, education, healthcare institutional new‑construction and retrofit renovation hardware assignments. Multiple finish options match various commercial interior decoration styles.
Architectural Hardware Tender Specification Projects
Full matching mounting‑screw accessories included. Flag‑style full‑mortise separable‑leaf mounting optimized for hollow‑metal doors. Rich pin‑tip and finish selections available. UL compliance datasheet, EN test report, installation drawings and compliance documents can be supplied for tender‑submission for commercial institutional fire‑safety building‑projects, UL certification under file R42033.
Product Characteristics
5‑inch SS304 stainless‑steel flag‑type separable hinge housing, ball‑bearing washer assembly; good anti‑rust property, separable flag‑leaf design for convenient hollow‑metal door installation and maintenance
Flag‑type full‑mortise structure; dimension optimized for hollow‑metal / steel door cut‑out, allows door lifting‑off without removing mounting screws
Flag‑style full‑mortise butt‑hinge installation; abundant pin‑type, tip‑style and decorative‑finish selections for commercial interior matching
UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935, conforms to NFPA80 fire‑door standards for hollow‑metal flag‑type butt‑hinge hardware
Separable flag‑leaf full‑mortise mounting; performance‑optimized for hollow‑metal / steel commercial fire‑rated door assemblies
Complete matching mounting‑screw accessories supplied; monthly capacity 200000 units for B2B wholesale hollow‑metal flag‑hinge bulk tender‑orders
Warranty & Customization
Standard quality warranty against manufacturing defects of SS304 flag‑type hinge‑leaf, housing and internal ball‑bearing washer components for hollow‑metal commercial fire‑door application
Bulk wholesale supply for architectural‑construction and hollow‑metal fire‑safety‑door tender‑projects; custom finish, custom‑pin‑style, tip‑style options 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 SS030‑A flag hinge hold?
SS030‑A is UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 and conforms to NFPA80 fire‑door requirements for 5‑inch SS304 separable flag‑type hollow‑metal butt‑hinge hardware.
Why select SS030‑A for hollow‑metal fire‑rated doors?
SS030‑A is purpose‑optimized for hollow‑metal and steel fire‑rated doors. SS304 material delivers anti‑rust performance, separable flag‑leaf allows door lifting‑off without screw removal, which simplifies installation and later‑period maintenance for metal door projects.
What installation precautions for SS030‑A fire‑rated flag hinge?
Even though flag‑leaf enables easy door disassembly, installation must strictly follow local fire‑code for fire‑door assemblies to retain full fire‑safety performance.
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