ANSI BHMA Grade 1 Heavy Duty Door Hinge - DDSS001-ANSI-1
Product Overview
As the premium heavy-duty solution in D&D HARDWARE’s door hardware lineup, the ANSI BHMA Grade 1 Heavy Duty Door Hinge (Model: DDSS001-ANSI-1) sets the industry benchmark for durability, performance, and safety. Certified to ANSI BHMA Grade 1—the highest standard for door hinges—it passes 2,500,000 open/close cycles (equivalent to 20+ years of heavy commercial use) and holds a UL 10C 3-hour fire rating (UL File No. R38013), making it ideal for high-traffic, fire-sensitive environments.
Engineered with four ball bearings for ultra-smooth, silent operation and crafted from premium stainless steel (SUS201/SUS304/SUS316), this hinge resists corrosion, deformation, and wear—even in harsh conditions like coastal hotels or industrial workshops. Its modern design seamlessly integrates with D&D’s door handles, door locksets, and door closers, forming a complete, code-compliant door system. Backed by a 5-year warranty and D&D’s 18+ years of door hinges manufacturing expertise, this Grade 1 hinge delivers long-term reliability for commercial, residential, and public projects—eliminating frequent replacements and ensuring peace of mind for buyers.
Product Images and Videos
Technical Specifications
- Model Number: DDSS001-ANSI-1
- Brand: D&D HARDWARE
- Type: ANSI BHMA Grade 1 Heavy Duty Door Hinge
- Certifications: ANSI BHMA Grade 1 (2,500,000 cycles), UL 10C 3-Hour Fire-Rated (UL File No. R38013)
- Material: Premium Stainless Steel (SUS201, SUS304, SUS316 options)
- Bearing: Four Ball Bearings (for ultra-smooth, low-friction operation)
- Dimensions: 4.5’’x4’’x4.6mm, 4.5’’x4.5’’x4.6mm, 5’’x4’’x4.8mm, 5’’x4.5’’x4.8mm, 5’’x5’’x4.8mm (length x width x thickness)
- Finish Options: SSS (Satin Stainless Steel), PSS (Polished Stainless Steel), AB (Antique Brass), AC (Antique Copper), PVD (Physical Vapor Deposition)
- Load-Bearing Capacity: Up to 200lbs (supports heavy solid wood doors and commercial-grade fire doors)
- Design Style: Modern (compatible with contemporary interiors and architectural designs)
- Warranty: 5 Years Mechanical Warranty
- Place of Origin: Jiangmen, Guangdong, China
- After-sales Service: Online Technical Support
- Engineering Solutions: Graphic Design, 3D Model Design, Total Solution For Projects
Product Features & Advantages
- ANSI BHMA Grade 1 Durability: Meets the highest industry standard for heavy-duty hinges, passing 2,500,000 open/close cycles—3x more durable than Grade 2 hinges. Ideal for high-traffic spaces like mall entryways and hospital corridors, reducing replacement costs by 60% over 10 years.
- UL 10C 3-Hour Fire Protection: Certified to withstand 1700°F for 3 hours (UL File No. R38013), meeting global fire codes (NFPA 80, EN 1634). Prevents fire/smoke spread, providing critical evacuation time for occupants in emergencies.
- Four Ball Bearing System: Four precision ball bearings reduce friction by 70% compared to standard two-bearing hinges, enabling silent, effortless door operation. Perfect for noise-sensitive areas like bedrooms, libraries, and office meeting rooms.
- Multi-Grade Stainless Steel Construction: - SUS201: Cost-effective for dry indoor spaces (e.g., office cubicles, residential living rooms) - SUS304: Corrosion-resistant for humid environments (bathrooms, kitchens, poolside villas) - SUS316: Industrial-grade for outdoor/coastal use (garages, patios, coastal hotels) — resists saltwater and chemical damage
- Versatile Finish Compatibility: Finishes like PVD black (modern) and AB (traditional) match D&D’s door handles, door knobs, and cabinet handles, ensuring design cohesion for entire projects (e.g., luxury hotels pairing PVD gold hinges with gold door locksets).
- Heavy-Duty Thickness: 4.6mm-4.8mm thick stainless steel resists bending and deformation, even under 200lbs door weight. Suitable for heavy commercial doors (e.g., warehouse fire doors) that standard hinges cannot support.
- System Integration: Seamlessly pairs with D&D’s door closers (for automatic fire-door closure), panic exit devices (for emergency egress), and door seals (for enhanced fire resistance). Enables one-stop door hardware sourcing, simplifying procurement and ensuring compatibility.
How to Install the ANSI BHMA Grade 1 Heavy Duty Door Hinge (Step-by-Step)
- Prepare Tools & Materials: Gather a mortise chisel, hammer, drill (with masonry bit for concrete frames), screwdriver, measuring tape, pencil, level tool, and the DDSS001-ANSI-1 hinge (include Grade 1-compliant heavy-duty screws). For fire safety, pair with D&D’s door seal.
- Mark Hinge Positions: On the door edge and frame, measure and mark 3 hinge locations (7" from the top, 11" from the bottom, and centered) to evenly distribute weight. Use a square tool to align marks with the door’s edges—misalignment causes binding or reduced load capacity.
- Cut Mortises: Use the mortise chisel to carve recesses (mortises) into the door and frame. The mortise depth must match the hinge leaf thickness (4.6mm/4.8mm) to ensure a flush fit—no凸起 (bulges) that block door closure or compromise fire resistance.
- Secure Hinge Leaves: Place one hinge leaf into the frame mortise, drill pilot holes (to prevent wood splitting or concrete cracking), and fasten with heavy-duty screws (tighten to 30 ft-lbs torque for stability). Repeat to attach the second leaf to the door. Use a level tool to confirm alignment—adjust if the door leans.
- Install Hinge Pin & Test: Align the door’s hinge leaf with the frame’s leaf, insert the hinge pin, and test the door swing. It should open/close smoothly without sticking or squeaking. For commercial use, verify compatibility with your door closer (ensure automatic closure) and door lockset (confirm tight latching).
Application Scenarios
This ANSI BHMA Grade 1 heavy-duty hinge is designed for versatile use across high-demand commercial, residential, and public spaces. Key application scenarios include:
- Commercial Buildings: Office lobbies, mall storefronts, sports venues, and supermarkets—withstands heavy foot traffic, pairs with panic exit devices for emergency egress, and meets ANSI standards for commercial projects.
- Hospitality & Luxury Residential: 5-star hotels, villas, and wine cellars—SUS304/SUS316 options resist moisture, while finishes like PVD gold complement high-end door handles and smart locks.
- Public Facilities: Hospitals, schools, and leisure centers—UL fire rating ensures safety, and four ball bearings enable quiet operation (critical for patient rooms and classrooms).
- Industrial & Outdoor: Warehouses, workshops, garages, and outdoor courtyards—SUS316 option resists industrial dust, saltwater, and weather exposure, maintaining performance in harsh conditions.
Value for Buyers: For distributors and contractors, this hinge eliminates code violations (ANSI/BHMA/UL compliance) and simplifies project management (total door hardware solutions). For end-users, it reduces long-term costs—2.5M-cycle durability and 5-year warranty minimize replacements, while corrosion resistance lowers maintenance needs. Its compatibility with D&D’s full product line also cuts procurement time by 40%.
Certifications and Compliance
- ANSI BHMA Grade 1: Officially certified to ANSI/BHMA A156.2 Grade 1 standards—recognized globally as the gold standard for heavy-duty door hinges, required for commercial projects in North America, Europe, and the Middle East.
- UL 10C Fire Rating: UL-listed with a 3-hour fire rating (UL File No. R38013), meeting NFPA 80 (U.S. Life Safety Code), EN 1634 (EU Fire Classification), and SASO (GCC Standards)—ensuring compliance for cross-border projects.
- ISO 9001 Compliance: Manufactured under D&D’s ISO 9001-certified quality management system, with every unit inspected for dimensional accuracy and performance—critical for large-scale projects (e.g., hotel chains) requiring uniform hardware.
- Corrosion Testing: SUS304/SUS316 variants pass 240-hour salt spray tests (per ASTM B117)—verified to resist rust in coastal or humid environments, outperforming industry averages by 30%.
- SGS Factory Audited: Produced in an SGS-audited facility, confirming ethical manufacturing practices, 200,000+ monthly production capacity, and compliance with international labor standards—building trust for brand-conscious buyers.
Customization Options
To meet diverse project needs, D&D offers flexible customization for the DDSS001-ANSI-1 hinge:
- Material Customization: Upgrade/downgrade stainless steel grades (SUS201/SUS304/SUS316) based on budget and environment (e.g., SUS316 for coastal resorts, SUS201 for dry office renovations).
- Finish Customization: Add custom finishes (e.g., brushed nickel PVD, matte black) to match project aesthetics—e.g., modern apartments pairing black hinges with black door stoppers and door handles.
- Size Modifications: Adjust dimensions (length, width, thickness) for extra-thick doors (e.g., 3" solid oak entry doors) or specialized applications (e.g., soundproof theater doors).
- Bearing Upgrades: Add self-lubricating bearings for maintenance-free operation in hard-to-reach areas (e.g., high-ceiling warehouse doors) or high-temperature bearings for industrial ovens.
- Packaging Customization: Opt for branded white boxes, color boxes, or bulk cartons with your logo—ideal for private-label projects or retail distribution (e.g., hardware store chains).
- OEM/ODM Services: Collaborate with D&D’s engineering team for custom designs (e.g., hidden screws for a sleek look) or project-specific solutions (e.g., hinges for historic building restorations). Supported by 3D model design and total project solutions.
Production Process & Quality Control
D&D’s production process ensures every ANSI BHMA Grade 1 hinge meets the highest quality and safety standards. Key steps include:
- Material Sourcing & Testing: Select SUS201/SUS304/SUS316 stainless steel and test for purity via spectroscopic analysis—rejecting materials with impurities that compromise durability or fire resistance.
- Precision Machining: Use CNC machines to cut hinge components (leaves, knuckles, ball bearing grooves) to ±0.01mm tolerances. This ensures seamless
