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American Stainless Steel UL Certificate Fireproof Mortise Government Door Hinge-DDSS002-FR

A fire rated stainless steel door hinge is a type of hinge that is specifically designed for use on fire rated doors.
  • DDSS002-FR

  • D&D Hardware

  • UL 10C fire rated 3 hours

  • Stainless Steel

  • silver

  • hotel, apartment, commercial, office

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Finish:
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HINGEDoor Hinge for Government

Door Hinges for Government


                                                     UL Certificate, in total 21 Sizes as follwing
4.0"x3.0"x3.0mm 4.0"x3.5"x3.0mm 4.0"x4.0"x3.0mm
4.5"x4.0"x3.0mm 4.0"x4.0"x3.4mm 4.5"x4.0"x4.6mm
4.5"x4.5"x3.0mm 4.5"x4.0"x3.4mm 4.5"x4.5"x4.6mm
5.0"x3.0"x3.0mm 4.5"x4.5"x3.4mm 5.0"x4.0"x4.6mm
5.0"x3.5"x3.0mm

5.0"x4.0"x3.4mm

5.0"x4.5"x4.6mm
5.0"x4.0"x3.0mm 5.0"x4.5"x3.4mm 5.0"x5.0"x4.6mm
5.0"x4.0"x4.8mm 5.0"x4.5"x4.8mm 5.0"x5.0"x4.8mm


hinge finish

Model
DDSS002-FR
Certification
UL Listed R38013, UL 10C Fire Rated 3 Hours
Material
Stainless Steel
Size
4.5"x4"x3.0mm
4.5"x4.5"x3.0mm
4.5"x4"x3.4mm
4.5"x4.5"x3.4mm
4.5"x4"x4.6mm
4.5"x4.5"x4.6mm
Finish
SSS,PSS,PVD,AB,MB,ORB,CP
MOQ
500 pieces
Package
White Box or Color Box
Production lead time
30-35 days
Shipping Port
Jiangmen
Shenzhen
Guangzhou

Why Are Fire-Resistant Hinges Essential in Government Buildings?

Government buildings—courthouses, administrative offices, legislative chambers, and public service centers—serve as the backbone of civic infrastructure. They house critical operations, sensitive documents, and large numbers of citizens daily. In these environments, fire-resistant hinges are not optional; they are a fundamental safety requirement. Here is why.


1. To Comply with Strict Fire Safety Codes

Government buildings must adhere to the most stringent building codes and life safety regulations. Fire-resistant hinges, such as our model DDSS002-FR, are tested and certified to maintain door integrity during a fire for specified durations (UL 10C fire rated 3 hours, File NO.R38013). These certifications ensure that the entire door assembly meets legal requirements for occupancy and public safety.


2. To Maintain Compartmentalization During a Fire

In a fire event, containing flames and toxic smoke is critical to allow safe evacuation and protect valuable assets. Fire-resistant hinges prevent doors from warping or sagging under extreme heat, ensuring they remain tightly sealed within their frames. This compartmentalization slows fire spread, buying precious minutes for occupants to exit and emergency responders to arrive.


3. To Protect Critical Records and Operations

Government facilities often house irreplaceable documents, sensitive data, and essential operational centers. A hinge failure during a fire could lead to door collapse, exposing these assets to direct flames and smoke. Our DDSS002-FR fire-resistant hinges are engineered with high-grade materials and robust construction to provide reliable performance when it matters most, safeguarding both lives and vital government functions.


4. To Ensure Long-Term Reliability in High-Traffic Areas

Government buildings experience constant foot traffic from employees, visitors, and officials. Standard hinges may wear quickly under such demand, but fire-resistant hinges are built for durability. Our DDSS002-FR model combines fire resistance with heavy-duty construction, ensuring smooth operation day after day while maintaining its fire-rated integrity for decades.


5. To Reduce Liability and Lifecycle Costs

Specifying certified fire-resistant hinges minimizes the risk of code violations, failed inspections, and potential legal liability in the aftermath of an incident. Moreover, investing in quality hinges like DDSS002-FR reduces long-term maintenance and replacement costs, delivering superior value over the building's lifecycle.


Please note: Our certificates will be updated. To view the latest version of the certificate, please click on this link.

UL Door Hinge UL Door Hinge

Contact us:

David Jian

Tel / WhatsApp / Wechat:+86-13929037292

Email:sales@danddhardware.com


TEL:+86-750-3856396

FAX: +86-750-3856395

Address: 12th Floor, Building 2, No.898, KeChuang Technical Zone,Jiangmen Avenue, Pengjiang District, Jiangmen City, Guangdong, China 529000



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