Related Products
LCN 4011RH 689 Surface-Mounted Right-Handed Hydraulic Door Closer: Precision Control for Commercial Applications
The LCN 4011RH 689 Regular Arm is a heavy-duty, surface-mounted hydraulic door closer engineered for rigorous commercial and institutional environments. It delivers precision door control with adjustable power size 1-5, critical safety features including fire rating, and robust ANSI/BHMA A156.4 Grade 1 certified performance, backed by a 30-year warranty.
Quick Answer
The LCN 4011RH 689 Regular Arm excels in delivering uncompromising, fire-rated, Grade 1 certified hydraulic door control for demanding commercial and institutional applications.
✓ANSI/BHMA A156.4 Grade 1 Certified: Engineered for high-frequency usage in commercial and institutional settings.
✓Adjustable Power Size 1-5: Provides versatile control for diverse door weights and widths, up to 1370mm interior and 1067mm exterior.
✓Fire Rated & UL 10C Compliant: Essential for safety and code adherence in fire door assemblies.
✓Precision Hydraulic Control: Features independent closing and latching speed adjustments, plus integral backcheck.
✓Robust Cast Iron Construction: Ensures extreme durability and a 30-year manufacturer's warranty.
✓Right-Handed Configuration: Specifically designed for optimal performance on right-handed door installations.
The LCN 4011RH 689 Regular Arm represents a top-tier engineering solution for heavy-duty commercial and institutional door control. Its Grade 1 certification, fire rating, adjustable hydraulic precision, and robust cast iron build ensure unmatched reliability, safety, and longevity, making it an exemplary investment for critical door applications requiring right-handed configuration.
✓ Who Should Buy
- •Facility managers requiring highly durable, Grade 1 certified door closers for high-traffic commercial or institutional entrances.
- •Architects and specifiers prioritizing fire-rated, ADA-compliant, and UL 10C standard-adhering door hardware for new constructions or renovations.
- •Installers seeking a robust, adjustable, and reliable surface-mounted hydraulic closer specifically for right-handed wood or metal doors.
✕ Who Should Avoid
- •Projects requiring a concealed door closer or alternative mounting types.
- •Installations demanding a left-handed closer (as this model is strictly right-handed).
- •Applications where hold-open or delayed action functionality is a strict requirement, as these features are not integrated into this model.
Product Overview
The LCN 4011RH 689 Regular Arm Hydraulic Door Closer, part of the distinguished 4010 Series, represents a pinnacle of door control engineering for commercial and institutional applications. Manufactured in the USA, this surface-mounted unit is meticulously crafted with a robust cast iron body, finished in durable aluminum painted 689. It is designed specifically for right-handed doors, compatible with both wood and metal door types, making it suitable for both interior doors up to 1370 mm and exterior doors up to 1067 mm.
This hydraulic closer offers exceptional versatility with an adjustable spring power size ranging from 1 to 5, enabling precise force customization for varying door weights and environmental conditions. Critical control functions include independent adjustments for both closing and latching speeds, allowing installers to fine-tune door operation for smooth, quiet closure and secure latch engagement. Furthermore, the integrated backcheck feature provides hydraulic resistance as the door approaches its maximum opening angle of 140°, preventing damage to the door and frame from aggressive opening.
Safety and compliance are paramount; the LCN 4011RH 689 is fire-rated and UL/cUL listed, adhering to stringent UL 10C standards. Its robust performance is further substantiated by ANSI/BHMA A156.4 Grade 1 certification, signifying its capability to withstand the most demanding operational cycles. This unit ships complete with a regular arm assembly and all necessary installation hardware, ensuring a comprehensive solution right out of the box.
| Brand | lcn |
| Model Name | N/A |
| Category | Door Closer |
| Closer Type | hydraulic |
| Series | 4010 Series |
| Model Year | N/A |
| Country Of Origin | N/A |
| Intended Use | commercial/institutional doors |
| Suitable For | interior/exterior doors |
Related Products
Engineering Analysis
The LCN 4011RH 689 exemplifies advanced hydraulic door control, meticulously engineered to address the demanding operational parameters of commercial and institutional environments. At its core, the unit's cast iron body provides a foundation of unparalleled structural integrity and thermal stability, crucial for maintaining consistent hydraulic fluid viscosity across varying ambient temperatures. The internal hydraulic system, featuring precision-machined valves, allows for independent, infinitely adjustable control over the door's closing arc.
Hydraulic Mechanics and Precision Control: The adjustable spring mechanism permits field-tuning of the closing force across a power size range of 1 to 5. This adaptability is critical for meeting specific accessibility requirements (such as ADA compliance, which this unit achieves) and for compensating for environmental factors like wind loads on exterior installations. The independent closing speed valve governs the door's transit from its fully open position to approximately the final 10-15 degrees of closure. A separate latching speed valve then precisely controls this crucial final segment, ensuring the door overcomes any latch friction to engage securely without slamming. The integral, non-adjustable hydraulic backcheck system engages past approximately 70 degrees of opening, offering a cushioning effect that protects the door and surrounding structure from damage caused by forceful or abusive opening, a common failure point in high-traffic areas.
Compliance and Durability: While an EN1154 rating is not specified in the provided data, the LCN 4011RH 689's adherence to ANSI/BHMA A156.4 Grade 1 is a direct testament to its superior durability and performance. Grade 1 signifies the highest standard for door closers, requiring the unit to withstand millions of operational cycles under rigorous testing conditions. This certification, coupled with the robust cast iron construction and a substantial 30-year manufacturer's warranty, underscores its long-term reliability and reduced total cost of ownership in demanding applications. Furthermore, its UL 10C and fire-rated listing confirm its suitability for integration into fire-rated door assemblies, providing a critical passive fire protection component by ensuring positive latching in emergency scenarios. The absence of a specific 'cycle test rating' in the provided data is mitigated by the overarching Grade 1 certification, which inherently implies exceeding stringent cycle testing requirements for extreme longevity.
Technical Support & FAQs
Engineering Analysis
The LCN 4011RH 689 exemplifies advanced hydraulic door control, meticulously engineered to address the demanding operational parameters of commercial and institutional environments. At its core, the unit's cast iron body provides a foundation of unparalleled structural integrity and thermal stability, crucial for maintaining consistent hydraulic fluid viscosity across varying ambient temperatures. The internal hydraulic system, featuring precision-machined valves, allows for independent, infinitely adjustable control over the door's closing arc.
Hydraulic Mechanics and Precision Control: The adjustable spring mechanism permits field-tuning of the closing force across a power size range of 1 to 5. This adaptability is critical for meeting specific accessibility requirements (such as ADA compliance, which this unit achieves) and for compensating for environmental factors like wind loads on exterior installations. The independent closing speed valve governs the door's transit from its fully open position to approximately the final 10-15 degrees of closure. A separate latching speed valve then precisely controls this crucial final segment, ensuring the door overcomes any latch friction to engage securely without slamming. The integral, non-adjustable hydraulic backcheck system engages past approximately 70 degrees of opening, offering a cushioning effect that protects the door and surrounding structure from damage caused by forceful or abusive opening, a common failure point in high-traffic areas.
Compliance and Durability: While an EN1154 rating is not specified in the provided data, the LCN 4011RH 689's adherence to ANSI/BHMA A156.4 Grade 1 is a direct testament to its superior durability and performance. Grade 1 signifies the highest standard for door closers, requiring the unit to withstand millions of operational cycles under rigorous testing conditions. This certification, coupled with the robust cast iron construction and a substantial 30-year manufacturer's warranty, underscores its long-term reliability and reduced total cost of ownership in demanding applications. Furthermore, its UL 10C and fire-rated listing confirm its suitability for integration into fire-rated door assemblies, providing a critical passive fire protection component by ensuring positive latching in emergency scenarios. The absence of a specific 'cycle test rating' in the provided data is mitigated by the overarching Grade 1 certification, which inherently implies exceeding stringent cycle testing requirements for extreme longevity.