Norton Rixson 51 Series Shallow Depth Floor Closer with 3/4" Offset Hung Configuration

Norton Rixson 51 Series Shallow Depth Floor Closer with 3/4" Offset Hung Configuration

Professional Concealed Floor Closer for Limited Depth Applications

The Norton Rixson 51 Series Shallow Depth Floor Closer delivers full-strength door control performance in installations with restricted floor depth. This 3/4" offset hung closer supports doors up to 300 lb and 4'0" width while maintaining the same reliability as standard-depth models. Constructed with a heavy-duty cast iron body and stainless steel internal components, this ANSI/BHMA A156.4 Grade 1 certified closer provides concealed installation with clean architectural appearance.

Professional Features & Benefits

• Shallow Depth Design: Engineered for installations with limited floor depth while retaining full closer functionality and durability for space-constrained projects.
• Heavy-Duty Load Capacity: Supports doors up to 300 lb (136 kg) and maximum width of 4'0" (1219 mm) for demanding commercial applications.
• 3/4" Offset Hung Configuration: Provides stable, precise door alignment and balanced swing for heavy-duty commercial doors with optimal weight distribution.
• Precision Adjustable Controls: Features independent adjustments for closing speed, latch speed, and backcheck for smooth, controlled operation tailored to specific requirements.
• Heavy-Duty Cast Iron Construction: Built with cast iron body and stainless steel internal components for long-term reliability and strength in high-traffic environments.
• Concealed Installation Design: Floor-mounted, hidden design ensures clean architectural finish with minimal visual impact while transferring door weight directly to floor.
• ANSI/BHMA Grade 1 Certification: ANSI/BHMA A156.4 Grade 1 certified with ADA-compliant options available for code compliance and accessibility requirements.
• Versatile Finish Options: Available in 626 (Satin Chrome), 630 (Satin Stainless), 613 (Oil-Rubbed Bronze), and other architectural finishes to complement any design environment.

Technical Specifications

• ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
• Commercial/Residential: Commercial
• Cover Type: Cast iron cement case
• Department: Door Hardware
• Door Swing: Single Acting
• Duty Level: Heavy Duty
• Hold Open Feature: No
• Product Group: Door Controls
• Product Subgroup: Door Closers - Floor
• Product Type: Floor Door Closers
• Subcategory: Specialty Closers

Installation & Operation

1. Review manufacturer specifications and verify floor preparation requirements including shallow recess depth, door thickness, and handing as applicable to this offset hung configuration.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on floor surface and door frame preparation points.
3. Prepare floor by creating shallow recess per manufacturer specifications and drilling required holes for mounting hardware and pivot points.
4. Install cast iron cement case in floor recess and secure the closer mechanism to floor and door per manufacturer torque specifications.
5. Adjust operational components including closing speed, latch speed, and backcheck for proper alignment and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings with Limited Floor Depth
• Educational Facilities with Shallow Slab Construction
• Healthcare Institutions Requiring Concealed Hardware
• Retail Establishments with Architectural Design Constraints
• Industrial and Warehouse Facilities with Space Limitations
• Multi-Tenant Residential Properties with Restricted Floor Access
• Government and Municipal Buildings with Specialized Construction Requirements

Why Choose Norton Rixson Quality?

Norton Rixson 51 Series floor closers deliver professional-grade reliability with heavy-duty cast iron construction and stainless steel internal components rated for doors up to 300 lb capacity. ANSI/BHMA A156.4 Grade 1 certification ensures compliance with commercial building standards. Engineered for demanding commercial applications where dependable performance and space efficiency are essential, while maintaining clean architectural appearance through concealed installation design.