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LCN 1460 Series Surface-Mounted Hydraulic Door Closer: Precision Engineering for Commercial Applications
The LCN 1460 Medium Duty Hydraulic Door Closer is an engineered solution for robust door control in commercial and institutional environments. Featuring an adjustable spring power size 1-6, its cast iron body ensures Grade 1 durability and consistent performance for interior and exterior doors up to 1524mm wide. This non-handed, surface-mounted unit provides precise hydraulic control over closing and latching speeds, complemented by an integral back-check function.
Quick Answer
The LCN 1460 is a heavy-duty, ANSI/BHMA A156.4 Grade 1 hydraulic door closer engineered for superior adjustable control and durability in demanding commercial settings.
✓ANSI/BHMA A156.4 Grade 1 certified for heavy-duty commercial use
✓Adjustable spring power size 1-6 for versatile application across various door sizes
✓Integral hydraulic back-check protects doors and frames from abusive opening
✓Non-handed design simplifies installation for pull, push, and parallel arm applications
✓Robust cast iron body construction for exceptional longevity, backed by a 30-year limited warranty
✓ADA Compliant, ensuring accessible and safe operation
The LCN 1460 Medium Duty Hydraulic Door Closer stands as a robust, precision-engineered solution for diverse commercial and institutional door control requirements. Its Grade 1 certification, adjustable power, and essential hydraulic features like back-check provide reliable, long-term performance and ADA compliance. It is an excellent choice for environments demanding durable and finely tuned door operation where fire rating is not a primary door closer function.
✓ Who Should Buy
- •Commercial building owners seeking durable, low-maintenance door closers for high-traffic areas.
- •Facility managers needing ADA compliant door control with adjustable closing and latching speeds.
- •Architects and specifiers requiring ANSI/BHMA A156.4 Grade 1 certified hardware for institutional or public access buildings.
- •Installers prioritizing non-handed, versatile surface-mounted solutions for various door types and configurations (pull, push, parallel arm).
✕ Who Should Avoid
- •Applications specifically requiring a fire-rated door closer.
- •Installations demanding a concealed door closer.
- •Light-duty residential applications where the adjustable power size 1-6 might be excessive and unnecessary.
Product Overview
The LCN 1460 series represents a pinnacle in medium-duty hydraulic door closer technology, specifically designed for high-traffic commercial and institutional environments. Manufactured in the USA, this surface-mounted unit offers unparalleled versatility with its non-handed configuration, accommodating pull, push, and parallel arm installations on timber, metal, and hollow metal doors. Its core strength lies in its adjustable spring power, ranging from size 1 to 6, enabling precise calibration for interior doors up to 1524mm (60 inches) and exterior doors up to 1219mm (48 inches). Critical hydraulic functions include independently adjustable closing and latching speeds, ensuring controlled door closure without slamming, and an essential back-check feature to prevent damage from forceful opening. Constructed from a durable cast iron body with steel components and available in multiple powder-coated finishes, the LCN 1460 is certified to ANSI/BHMA A156.4 Grade 1 and UL/cUL standards, signifying its robust performance and safety compliance. While not fire-rated, its design and build quality ensure reliable operation for its intended commercial applications.
| Brand | lcn |
| Model Name | N/A |
| Category | Door Closer |
| Closer Type | Hydraulic |
| Series | 1460 |
| Model Year | 2018-2026 |
| Country Of Origin | N/A |
| Intended Use | Commercial / Institutional Doors |
| Suitable For | Interior and Exterior Doors |
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Engineering Analysis
The LCN 1460 hydraulic door closer exemplifies precision engineering in door control, deriving its core functionality from a robust cast iron body encasing a meticulously engineered hydraulic system. At its heart, the non-compressible hydraulic fluid, combined with a variable spring mechanism, provides adjustable power ranging from size 1 to 6. This adjustability is critical for managing door closure forces across a wide spectrum of door weights and widths, ensuring compliance with ADA accessibility requirements while preventing uncontrolled door movement. The adjustable spring power allows installers to fine-tune the closer to specific door dimensions (up to 1524mm interior, 1219mm exterior) and environmental factors such as wind load.
Control over the door's arc is achieved through independent, precisely calibrated hydraulic valves. The 'Closing Speed' valve regulates the door's sweep from its maximum opening angle of 180 degrees down to approximately 10-15 degrees from the frame. This prevents rapid closure that could pose a safety hazard or damage the door structure. The 'Latching Speed' valve then controls the final arc, ensuring the door closes gently yet firmly into the frame, engaging the latch without excessive force or bounce-back.
A key engineering feature is the integral back-check function. This hydraulic cushioning activates when the door is opened past a predetermined point (typically 70-85 degrees), providing increasing resistance to prevent the door from swinging open too violently. This mechanism is vital in high-traffic corridors or areas prone to sudden gusts of wind, protecting both the door and its surrounding frame from impact damage.
Material selection underscores the LCN 1460's durability. The cast iron body provides exceptional structural integrity and resistance to fatigue, a critical factor for a device subjected to millions of operational cycles. This robust construction, combined with precision-machined steel components, contributes to its ANSI/BHMA A156.4 Grade 1 certification, signifying superior performance in cycles, force, and finish. Furthermore, the UL and cUL listings attest to its safety and reliability under specified conditions. It is important to note that while its construction is robust, the LCN 1460 is explicitly stated as not fire-rated, making it suitable for applications where fire compartmentation is not the primary requirement for door hardware. Its non-handed design simplifies specification and installation, reducing complexity in diverse commercial projects.
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Engineering Analysis
The LCN 1460 hydraulic door closer exemplifies precision engineering in door control, deriving its core functionality from a robust cast iron body encasing a meticulously engineered hydraulic system. At its heart, the non-compressible hydraulic fluid, combined with a variable spring mechanism, provides adjustable power ranging from size 1 to 6. This adjustability is critical for managing door closure forces across a wide spectrum of door weights and widths, ensuring compliance with ADA accessibility requirements while preventing uncontrolled door movement. The adjustable spring power allows installers to fine-tune the closer to specific door dimensions (up to 1524mm interior, 1219mm exterior) and environmental factors such as wind load.
Control over the door's arc is achieved through independent, precisely calibrated hydraulic valves. The 'Closing Speed' valve regulates the door's sweep from its maximum opening angle of 180 degrees down to approximately 10-15 degrees from the frame. This prevents rapid closure that could pose a safety hazard or damage the door structure. The 'Latching Speed' valve then controls the final arc, ensuring the door closes gently yet firmly into the frame, engaging the latch without excessive force or bounce-back.
A key engineering feature is the integral back-check function. This hydraulic cushioning activates when the door is opened past a predetermined point (typically 70-85 degrees), providing increasing resistance to prevent the door from swinging open too violently. This mechanism is vital in high-traffic corridors or areas prone to sudden gusts of wind, protecting both the door and its surrounding frame from impact damage.
Material selection underscores the LCN 1460's durability. The cast iron body provides exceptional structural integrity and resistance to fatigue, a critical factor for a device subjected to millions of operational cycles. This robust construction, combined with precision-machined steel components, contributes to its ANSI/BHMA A156.4 Grade 1 certification, signifying superior performance in cycles, force, and finish. Furthermore, the UL and cUL listings attest to its safety and reliability under specified conditions. It is important to note that while its construction is robust, the LCN 1460 is explicitly stated as not fire-rated, making it suitable for applications where fire compartmentation is not the primary requirement for door hardware. Its non-handed design simplifies specification and installation, reducing complexity in diverse commercial projects.