Norton Rixson 27 Series Heavy Duty Floor Closer with 3/4″ Offset DesignProfessional Floor-Mounted Door Control SolutionThe Norton Rixson 27 Series Floor Closer delivers heavy-duty door control with 3/4″ offset-hung design for doors weighing up to 450 lbs. This Grade 1 certified floor closer features built-in positive dead stop with adjustable opening degrees (85, 90, 95, or 105), separate independent valves for closing speed, latch speed, and backcheck control, and robust Cycolac rust-proof cement case construction. Suitable for both interior and exterior door applications up to 4′ 0″ width with ANSI/BHMA A156.4 Grade 1 certification.Professional Features & BenefitsHeavy-Duty Weight Capacity: Supports doors up to 450 lbs with robust internal components engineered for consistent long-term operation in high-traffic applications.Precision Dead Stop Control: Built-in positive dead stop prevents doors from swinging beyond desired opening degree with selectable settings at 85, 90, 95, or 105 for precise door positioning.Independent Valve System: Separate valves for closing speed, latch speed, and backcheck provide precision adjustment and enhanced operational control for optimal door performance.Offset Design Flexibility: 3/4″ offset-hung configuration accommodates standard door frame installations with vertical door adjustment capability for proper alignment.Durable Construction: Cycolac rust-proof cement case with heavy-duty hardened one-piece steel spindle designed for long life and reliable operation in demanding environments.Professional Certifications: ANSI/BHMA A156.4 Grade 1 certification with UL Listed models available (F prefix) and ADA compliance options (PH prefix) for code-compliant installations.Extended Configuration Options: Available with floor plate or threshold installation, extended spindles up to 2″ longer than standard, and 1-1/2″ offset option for specialized applications.Manufacturer Warranty: 10 Year Limited warranty coverage for added confidence and protection in commercial applications.Technical SpecificationsANSI/BHMA: ANSI/BHMA A156.4, Grade 1Commercial/Residential: CommercialCover Type: Cycolac, rust-proof cement caseDelay Function: YesDepartment: Door HardwareDoor Swing: Single ActingDoor Weight: 250 lbs.Duty Level: Heavy DutyGrade: Grade 1Hang Type: Offset HungHold Open Feature: NoMounting Method: OffsetProduct Category: Door ControlsProduct Group: Door ControlsProduct Model: 27NProduct Subgroup: Door Closers – FloorProduct Type: Floor Door ClosersSeries: 27 SeriesSubcategory: Floor ClosersTraffic Rating: High TrafficWarranty: 10 Year LimitedInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 450 lbs, and frame compatibility for 3/4″ offset installation.Use manufacturer-provided templates to mark mounting hole locations accurately on floor and door frame surfaces for proper closer positioning.Prepare floor and frame by drilling required holes and routing as specified in manufacturer instructions, ensuring adequate clearance for spindle operation.Install floor closer body, 180 top pivot, and required M19 intermediate pivots (ordered separately) per manufacturer torque specifications.Adjust operational components including closing speed, latch speed, and backcheck valves for proper door control, and set dead stop to desired opening degree (85, 90, 95, or 105).Test closer operation through full door swing range to verify proper function, weight support, and dead stop positioning. Make final adjustments as needed and refer to manufacturer documentation for complete installation details.Professional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesGovernment and Municipal BuildingsHigh-Traffic Interior and Exterior EntrancesWhy Choose Norton Rixson Quality?Norton Rixson 27 Series floor closers deliver professional-grade reliability with heavy-duty hardened one-piece steel spindle construction and Cycolac rust-proof cement case rated for doors up to 450 lbs. ANSI/BHMA A156.4 Grade 1 certification ensures code compliance while the 10 Year Limited warranty provides long-term protection. Engineered for demanding commercial applications where dependable door control and consistent operation are essential.