LCN 4214T Heavy Duty High Security Surface-Mounted Door Closer with Tamper-Resistant DesignProfessional High-Security Door Closing SolutionThe LCN 4214T Heavy Duty High Security Surface-Mounted Door Closer delivers professional-grade security and durability for demanding institutional applications. This Grade 1 certified closer features forged steel arms and heavy gauge metal security covers designed to resist tampering and vandalism. Sized cylinders accommodate interior doors to 5’0″ and exterior doors to 4’0″, with comprehensive 15-year warranty coverage and all-weather fluid for consistent operation across temperature variations.Professional Features & BenefitsDoor Size Compatibility: Sized cylinders for interior doors to 5’0″ and exterior doors to 4’0″ with non-sized cylinder adjustable for interior doors to 4’6″ and exterior doors to 3’6″.Heavy-Duty Security Construction: Forged steel parallel arms and heavy gauge metal security covers engineered specifically for correctional, vandal-prone, and institutional applications.Grade 1 Certification: Tested and certified under ANSI Standard A156.4, Grade 1 for superior performance and reliability in high-traffic environments.Tamper-Resistant Design: Special components including tamper-resistant regulating screws and security covers minimize tampering and vandalism attempts.Premium Materials: High-strength cast iron cylinder, one-piece forged steel piston, double-heat-treated pinion, and high-efficiency full-complement low-friction bearing for exceptional durability.All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations and environmental conditions.LCN Green Dial Technology: Patented spring force indicator ensures accurate adjustments for optimal door control and ADA compliance.Manufacturer Warranty: 15-year warranty provides long-term protection and confidence in demanding applications.Technical SpecificationsADA Compliant: YesBAA Qualified: YesCloser Size: 4Commercial/Residential: CommercialDelay Function: NoDepartment: Door HardwareDoor Opening Size: 180 DegreesDoor Type: Interior DoorDuty Level: Heavy DutyFasteners: Torx Machine Screws (TORX)Finish Type: PlatedFluid Type: All-WeatherMounting Detail: Surface – Stop Face (Push Side)Mounting Location: Push SideMounting Method: Surface MountProduct Category: Door ControlsProduct Group: Door ControlsProduct Model: 4214TProduct Subgroup: Door Closers – Surface MountedProduct Substrate: IronProduct Type: Surface Mounted Door ClosersSeries: 4210T SeriesSubcategory: High Security ClosersWarranty: 15 YearProfessional ApplicationsCorrectional FacilitiesInstitutional BuildingsHigh-Traffic Commercial EntrancesVandal-Prone EnvironmentsEducational FacilitiesHealthcare InstitutionsGovernment and Municipal BuildingsTamper-Resistant DesignThe 4214T incorporates specialized security features including tamper-resistant regulating screws, heavy gauge metal security covers, and forged steel construction to minimize vandalism and unauthorized adjustments. TORX machine screw pack and security cover installation provide additional protection against tampering in high-risk environments.Why Choose LCN Quality?LCN door closers deliver professional-grade reliability with high-strength cast iron construction and forged steel components rated for demanding institutional applications. The comprehensive 15-year warranty and Grade 1 ANSI certification demonstrate LCN’s commitment to superior performance. Engineered for correctional, vandal-prone, and high-traffic commercial applications where dependable security and tamper resistance are essential.