Norton Rixson 7706EP Series Size 6 Extra Power Surface Door Closer with Adjustable SpringHigh Closing Force Institutional Door Closer SolutionThe Norton Rixson 7706EP Series represents professional-grade door closing technology engineered for high security facilities and demanding commercial applications. This Size 6 Extra Power surface door closer features cast aluminum construction with adjustable spring sizes 1-6, accommodating doors up to 250 lbs. with superior performance that exceeds 25 million cycles. ANSI/BHMA A156.4 Grade 1 certified and UL listed for fire rated doors, this closer delivers institutional-level reliability with rack-and-pinion design and NorGlide fluid for consistent operation.Professional Features & BenefitsHeavy-Duty Durability: Exceeds 25 million cycles for long-term reliability in high-traffic institutional and commercial applications.Extra Power Performance: Size 6 spring with extra power configuration handles doors up to 250 lbs. for demanding security facility requirements.Versatile Mounting Options: Available with regular, top jamb, or parallel arm mounting configurations with tri-packed options for installation flexibility.Professional Construction: Cast aluminum body with rack-and-pinion design and 2-1/8″ (54mm) projection for robust institutional performance.Precision Control: Standard, separate and independent latch, sweep, and backcheck intensity valves with staked valve construction for reliable adjustment.Grade 1 Certification: ANSI/BHMA A156.4 Grade 1 certified and UL/cUL listed for fire rated doors ensuring code compliance.ADA Compliance: Designed to comply with Americans with Disabilities Act (A.D.A) and ANSI standard A117.1 requirements.Manufacturer Warranty: 25 Year Limited warranty for added confidence and long-term protection.Technical SpecificationsANSI/BHMA: ANSI/BHMA A156.4, Grade 1Commercial/Residential: CommercialCover Type: PlasticDelay Function: NoDepartment: Door HardwareDoor Weight: 250 lbs.Duty Level: Heavy DutyElectronic: YesGrade: Grade 1Hold Open Feature: NoProduct Category: Door ControlsProduct Group: Door ControlsProduct Subgroup: Door Closers – Surface MountedProduct Type: Door ClosersSeries: 7706 SeriesSpring Type: Adjustable SizeSubcategory: Electromechanical Closers & HoldersWarranty: 25 Year LimitedInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 250 lbs., and mounting surface suitability for this surface closer.Use manufacturer-provided full-size template to mark mounting hole locations accurately on door and frame surfaces for selected arm configuration (regular, top jamb, or parallel).Prepare door and frame by drilling required holes per template specifications using self-drilling screws provided with the closer.Install closer body and selected arm assembly to door and frame per manufacturer torque specifications, ensuring proper alignment for 180 door swing capability.Adjust spring size (1-6 range) and operational components including separate latch, sweep, and backcheck intensity valves for proper door control and smooth operation.Test closer operation through full range of motion and verify proper closing force, latching action, and backcheck positioning. Refer to manufacturer documentation for complete installation details and valve adjustment procedures.Professional ApplicationsHigh Security Institutional FacilitiesCommercial Office BuildingsEducational InstitutionsHealthcare FacilitiesGovernment and Municipal BuildingsIndustrial and Warehouse FacilitiesFire Rated Door ApplicationsWhy Choose Norton Rixson Quality?Norton Rixson 7706EP Series door closers deliver institutional-grade reliability with cast aluminum construction and rack-and-pinion design rated to exceed 25 million cycles. 25 Year Limited warranty coverage and ANSI/BHMA Grade 1 certification demonstrate the manufacturers commitment to professional performance. Engineered for demanding high security applications where dependable door control and long-term durability are essential.