Norton Rixson 73ER Series Emergency Release Center Hung Double Acting Overhead Concealed Door Closer with Cover Plate
Professional Emergency Release Overhead Concealed Door Closer Solution
The Norton Rixson 73ER Series Emergency Release Overhead Concealed Door Closer delivers professional-grade performance for doors weighing up to 250 lbs. This double-acting, center-hung closer features adjustable 2-4 spring configuration and accommodates aluminum, hollow metal, or wood frames. ANSI/BHMA A156.4 Grade 1 certified with all-weather fluid rated from -40°F to 150°F for reliable operation in demanding commercial applications.
Professional Features & Benefits
- Heavy-Duty Door Capacity: Supports doors weighing up to 250 lbs with adjustable 2-4 spring configuration for larger doors and reliable closing force.
- All-Weather Performance: All-weather fluid accommodates temperature range from -40°F to 150°F for consistent operation in interior or exterior applications.
- Versatile Frame Compatibility: Designed for use with aluminum, hollow metal, or wood frames with appropriate mounting hardware included.
- Heavy-Duty Construction: Cast iron closer body provides exceptional durability for high-traffic commercial applications.
- Independent Speed Control: Independent latch, closing, and backcheck speed valves allow precise adjustment for optimal door operation.
- Complete Installation Package: Includes 270° pivot set and both wood and metal screws for comprehensive installation flexibility.
- ANSI/BHMA Grade 1 Certification: Meets ANSI/BHMA A156.4 Grade 1 standards for commercial-grade performance and reliability.
- Manufacturer Warranty: 15 Year Limited warranty provides long-term confidence and protection for commercial installations.
Technical Specifications
- ADA Compliant: No
- ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
- Commercial/Residential: Commercial
- Cover Type: Dress Cover Plate
- Department: Door Hardware
- Door Swing: Double Acting
- Door Weight: 250 lbs.
- Duty Level: Heavy Duty
- Grade: Grade 1
- Hang Type: Center Hung
- Hold Open Feature: No
- Mounting Detail: Center Hung
- Product Category: Door Controls
- Product Group: Door Controls
- Product Subgroup: Door Closers - Overhead Concealed
- Product Type: Overhead Concealed Door Closers
- Series: 73 Series
- Spring Type: Adjustable Size
- Subcategory: Overhead Concealed Closers
- Traffic Rating: High Traffic
- Warranty: 15 Year Limited
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 250 lbs, and frame compatibility for aluminum, hollow metal, or wood construction.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for center-hung installation.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for overhead concealed mounting.
- Install the 270° pivot set and secure the closer body to door and frame using appropriate screws (wood or metal) per manufacturer torque specifications.
- Adjust the independent latch, closing, and backcheck speed valves for proper door operation and configure adjustable 2-4 spring settings for door weight and desired closing force.
- Test double-acting operation to verify proper function throughout full range of motion and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Norton Rixson Quality?
Norton Rixson 73ER Series door closers deliver professional-grade reliability with heavy-duty cast iron construction and ANSI/BHMA A156.4 Grade 1 certification for demanding commercial applications. The 15 Year Limited warranty and all-weather fluid performance from -40°F to 150°F ensure dependable operation where consistent door control is essential.
Manufacturer Resources
Product Specs
- Series:
- 73 Series
- Duty Level:
- Heavy Duty
- Spring Type:
- Adjustable Size
- Grade:
- Grade 1
- Door Swing:
- Double Acting
- Traffic Rating:
- High Traffic
- Warranty:
- 15 Year Limited
- ANSI/BHMA:
- ANSI/BHMA A156.4, Grade 1
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Overhead Concealed
- Product Type:
- Overhead Concealed Door Closers
- Subcategory:
- Overhead Concealed Closers
- Door Weight:
- 250 lbs.
- Commercial/Residential:
- Commercial
- Hang Type:
- Center Hung
- ADA Compliant:
- No
- Mounting Detail:
- Center Hung
- Cover Type:
- Dress Cover Plate
- Hold Open Feature:
- No
- Product Category:
- Door Controls
- Department:
- Door Hardware