Norton Rixson 7500 Series Corrosion-Resistant Surface Door Closer with Tri-Pack Mounting Options
Heavy-Duty Institutional Door Closer for Interior and Exterior Applications
The Norton Rixson 7500 Series delivers professional-grade door control with corrosion-resistant construction designed for high security and institutional facilities. This surface-mounted closer features a cast aluminum body with adjustable spring sizes 1-6, accommodating doors up to 250 lbs. The tri-packed design includes regular, parallel, and top jamb mounting options in one package, with a larger 1-1/2" diameter piston for enhanced performance and reliability exceeding 25 million cycles.
Professional Features & Benefits
- Heavy-Duty Durability: Exceeds 25 million cycles for long-term reliability in high-traffic institutional applications.
- Maximum Door Capacity: Supports doors up to 250 lbs with adjustable spring sizes 1-6 for versatile installation requirements.
- Tri-Pack Mounting Versatility: One package covers regular, top jamb, and parallel arm mounting configurations for flexible installation options.
- Corrosion-Resistant Construction: Cast aluminum body with specialized finish provides exceptional durability for interior or exterior door applications.
- Enhanced Performance Design: Larger 1-1/2" (38mm) diameter piston delivers superior control and smooth operation throughout door swing.
- Low Profile Projection: 2-1/8" projection provides clean aesthetic while maintaining full functionality.
- Comprehensive Valve System: Standard, separate and independent latch, sweep, and backcheck intensity valves with staked design to prevent accidental adjustment.
- Extended Warranty Protection: 25 Year Limited warranty coverage for added confidence and long-term value.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
- Commercial/Residential: Commercial
- Cover Type: Plastic/Metal
- Department: Door Hardware
- Door Weight: 250 lbs.
- Duty Level: Heavy Duty
- Grade: Grade 1
- Hold Open Feature: Yes
- Product Category: Door Controls
- Product Group: Door Controls
- Product Subgroup: Door Closers - Surface Mounted
- Product Type: Surface Mounted Door Closers
- Series: 7500 Series
- Spring Type: Adjustable Size
- Subcategory: Surface Closers
- Warranty: 25 Year Limited
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity, and mounting surface compatibility for the selected arm configuration.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for regular, parallel, or top jamb mounting as required.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for the chosen mounting style.
- Install all mounting hardware and secure the closer to door and frame per manufacturer torque specifications using appropriate fasteners.
- Adjust spring size (1-6) based on door weight and operational requirements, then fine-tune latch, sweep, and backcheck valves for proper door control.
- Test closer operation through full 180-degree swing range where conditions permit and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- High Security Institutional Facilities
- Educational Buildings and Campuses
- Healthcare and Medical Facilities
- Government and Municipal Buildings
- Commercial Office Complexes
- Industrial and Warehouse Facilities
- Exterior Door Applications Requiring Weather Resistance
Why Choose Norton Rixson Quality?
Norton Rixson 7500 Series door closers deliver institutional-grade reliability with cast aluminum construction rated for over 25 million cycles. ANSI/BHMA A156.4 Grade 1 certification and comprehensive testing ensure dependable performance in demanding commercial applications. 25 Year Limited warranty coverage and corrosion-resistant design provide long-term value for interior and exterior installations where consistent door control is essential.
Manufacturer Resources
Product Specs
- Series:
- 7500 Series
- Duty Level:
- Heavy Duty
- Spring Type:
- Adjustable Size
- Grade:
- Grade 1
- Warranty:
- 25 Year Limited
- ANSI/BHMA:
- ANSI/BHMA A156.4, Grade 1
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Surface Mounted
- Product Type:
- Surface Mounted Door Closers
- Subcategory:
- Surface Closers
- Door Weight:
- 250 lbs.
- Commercial/Residential:
- Commercial
- Cover Type:
- Plastic/Metal
- Hold Open Feature:
- Yes
- Product Category:
- Door Controls
- Department:
- Door Hardware