Norton Rixson 7900 Series Architectural Grade Overhead Concealed Door Closer with Multi-Point Hold OpenPremium Concealed Door Control for High-End Architectural ApplicationsThe Norton Rixson 7900 Series Overhead Concealed Door Closer delivers architectural-grade performance with complete concealment for sophisticated commercial openings. This heavy-duty closer accommodates doors from 1-3/4″ to 2-1/4″ thick and supports up to 200 lbs door weight with Grade 1 ANSI/BHMA A156.4 certification. Built for vandal resistance and tamper protection, the 7900 Series features adjustable spring sizes (1-3) with fixed size 4 option and fully adjustable multi-point hold open functionality for versatile installation requirements.Professional Features & BenefitsDoor Thickness Compatibility: Accommodates 1-3/4″ to 2-1/4″ thick doors for versatile installation across various door types and applications.Heavy-Duty Load Capacity: Supports up to 200 lbs maximum door weight for reliable operation with substantial commercial doors.Adjustable Spring Configuration: Features adjustable spring sizes (1-3) and fixed size (4) option allowing precise force adjustment for optimal door operation.Multi-Point Hold Open System: Fully adjustable multi-point hold open feature provides flexible door positioning for high-traffic applications.Vandal-Resistant Construction: Built tough to withstand vandalism and tampering with concealed design minimizing exposure to damage in high-security locations.Universal Hinge Compatibility: Works with butt hinges, offset, or center hung pivots providing installation flexibility across different door configurations.Grade 1 Certification: ANSI/BHMA A156.4 Grade 1 rating ensures commercial-grade durability and performance standards.Manufacturer Warranty: 10 Year Limited warranty provides long-term protection and confidence in product reliability.Technical SpecificationsADA Compliant: NoANSI/BHMA: ANSI/BHMA A156.4, Grade 1Commercial/Residential: CommercialCover Type: Dress Cover PlateDelay Function: YesDepartment: Door HardwareDoor Swing: Single ActingDoor Weight: 200 lbs.Duty Level: Heavy DutyGrade: Grade 1Hold Open Feature: NoMounting Detail: Center Hung , Offset HungProduct Category: Door ControlsProduct Group: Door ControlsProduct Subgroup: Door Closers – Overhead ConcealedProduct Type: Overhead Concealed Door ClosersSeries: 7900 SeriesSpring Type: Fixed SizeSubcategory: Overhead Concealed ClosersTraffic Rating: Moderate TrafficWarranty: 10 Year LimitedInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness (1-3/4″ to 2-1/4″), stile width, and handing as applicable to this overhead concealed closer.Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for concealed installation.Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for overhead concealed mounting.Install all mounting hardware and secure the closer to door and frame per manufacturer torque specifications ensuring proper concealment.Adjust spring size (1-3 or fixed 4), sweep and latch speeds, backcheck cushioning, and multi-point hold open settings for proper door operation and positioning.Test closer operation to verify proper function, door weight support up to 200 lbs, and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsHigh-End Commercial Office BuildingsLuxury Hotel and Hospitality FacilitiesPremium Retail EstablishmentsCorporate Headquarters and Executive SuitesUpscale Healthcare and Medical FacilitiesEducational Institution Administrative AreasGovernment and Municipal BuildingsTamper-Resistant DesignThe Norton Rixson 7900 Series features concealed overhead mounting that minimizes exposure to vandalism and tampering, making it ideal for high-security locations. The completely concealed design provides both aesthetic appeal and security benefits by eliminating visible hardware that could be subject to damage or interference.Why Choose Norton Rixson Quality?Norton Rixson 7900 Series door closers deliver architectural-grade reliability with heavy-duty construction rated for 200 lbs door weight and Grade 1 ANSI/BHMA A156.4 certification. The 10 Year Limited warranty demonstrates the manufacturer’s confidence in long-term performance. Engineered for demanding commercial applications where both concealed aesthetics and dependable door control are essential for high-end architectural openings.