LCN 5011 Heavy Duty Concealed Door Closer with Double Lever Arm and Plated FinishProfessional Concealed Door Closer for High-Traffic ApplicationsThe LCN 5011 Heavy Duty Concealed Door Closer delivers superior door control for institutional, high-traffic, and weather-exposed applications. This 5010 Series closer features a concealed-in-frame design with exposed double lever arm, providing smooth operation for interior doors up to 5’0″ and exterior doors up to 4’0″. Built with a cast iron cylinder, 1-1/2″ diameter piston, and forged steel construction, this closer meets ANSI/BHMA A156.4 Grade 1 standards and ADA requirements.Professional Features & BenefitsDoor Size Compatibility: Sized cylinders accommodate interior doors up to 5’0″ and exterior doors up to 4’0″ with spring sizes 1-6 available for versatile installation options.Heavy-Duty Construction: Cast iron cylinder with 1-1/2″ diameter piston and forged steel main arm provide exceptional durability for demanding commercial applications.Grade 1 Performance: Tested and certified under ANSI/BHMA A156.4 Grade 1 standards with UL and cUL listing for self-closing doors without hold-open.ADA Compliance: Meets American Disabilities Act reduced opening force requirements for accessible door operation in commercial environments.All-Weather Reliability: All-weather fluid and tamper-resistant regulating screws ensure consistent performance in exterior and harsh environment applications.Precision Control: Separate regulation of general closing speed and latching speed with full-complement, low-friction bearing for smooth, quiet operation.Versatile Installation: Handed design accommodates both right- and left-swinging doors with wood and machine screw pack included for flexible mounting options.Manufacturer Warranty: 15-year warranty provides long-term confidence and protection for commercial installations.Technical SpecificationsADA Compliant: YesBAA Qualified: YesCloser Size: 1Commercial/Residential: CommercialDefault Arm/Track: Regular Arm (REGARM)Delay Function: YesDepartment: Door HardwareDoor Type: Exterior DoorDoor Type: Interior DoorDuty Level: Heavy DutyFasteners: Wood and Machine ScrewsFinish Type: PlatedFluid Type: All-WeatherHandle Type: LeverMounting Detail: Concealed – In FrameMounting Location: In FrameMounting Method: ConcealedProduct Category: Door ControlsProduct Group: Door ControlsProduct Model: 5011Product Subgroup: Door Closers – Overhead ConcealedProduct Substrate: IronProduct Type: Overhead Concealed ClosersSeries: 5010 SeriesSubcategory: Concealed ClosersWarranty: 15 YearProfessional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose LCN Quality?LCN 5011 door closers deliver professional-grade reliability with forged steel construction and cast iron cylinder rated for Grade 1 performance under ANSI/BHMA A156.4 standards. Backed by a comprehensive 15-year warranty and UL listing, this closer is engineered for demanding commercial applications where dependable door control and ADA compliance are essential.