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ANSI BHMA Grade 2 NRP MB Fire Rated Butt Door Hinge
- Product Information
MB
SSS
PSS
ANSI BHMA Grade 2 NRP MB Fire Rated Butt Door Hinge
ANSI/BHMA Grade 2 NRP non‑removable pin fire rated butt hinge, cycle‑tested to 1,500,000 cycles complying with ANSI/BHMA A156.1. UL Listed UL 10C, 3‑hour fire‑rated, five‑knuckle two‑ball‑bearing full mortise square corner hinge. NRP security pin design, available in matt black MB, SSS and PSS finishes. WINGTEC is reliable China Manufacture, China Factory and China Supplier for ANSI fire rated hinges.
Product Specification
Technical Parameter
| Item | Parameter |
|---|
Application Scenarios
3‑Hour Fire‑Rated Door Assembly
Complies with NFPA 80 requirement, for fire‑rated wood and hollow‑metal door openings.
Security‑Focused NRP Hinge Application
Non‑removable pin prevents unauthorized door lifting‑off, ideal for apartment and multi‑family buildings.
Commercial & Multi‑Family Projects
Bulk wholesale supply for hotels, condominiums, office buildings and hardware contractors.
Product Characteristics
ANSI/BHMA A156.1 Grade 2 certified, 1,500,000‑cycle performance test
UL Listed UL 10C 3‑Hours Fire Rated, UL File No. R42033
NRP Non‑Rising Non‑Removable Pin for anti‑theft security when door is closed
Five‑knuckle two‑ball‑bearing construction for smooth quiet long‑term operation
Full mortise square‑corner template hinge; template hole layout fits wood & hollow‑metal door‑frames
Stainless steel 201 / 304 / 316 optional; available finishes MB / SSS / PSS
China factory direct supply, stable quality for commercial architectural hardware projects
Warranty & Customization
Quality guarantee against manufacturing defects.
Custom finish, packaging and private label available for large‑volume orders.
Frequently Asked Questions
What is NRP non‑removable pin for fire hinge?
NRP stands for Non‑Rising Non‑Removable Pin. Pin cannot be extracted while door remains closed, preventing the door from being lifted off the hinge leaf for enhanced building security.
What finishes & materials are available for this Grade2 NRP hinge?
Standard finishes: MB matt black, SSS satin stainless steel, PSS polished stainless steel. Material choices: stainless steel 201, 304 and 316.
Can I buy these NRP fire‑rated butt hinges wholesale from WINGTEC?
Yes, WINGTEC is China Manufacture, China Factory and China Supplier for ANSI/BHMA fire rated door hinges and architectural door hardware.
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