Norton Rixson F53 Series Single Acting Independently Hung Shallow Depth Floor Closer with Backcheck - 250 lbs Door Weight

Norton Rixson F53 Series Single Acting Independently Hung Shallow Depth Floor Closer with Backcheck - 250 lbs Door Weight

Professional Concealed Floor Closer Solution for Interior Applications

The Norton Rixson F53 & F5310 Series independently-hung, shallow-depth floor closer is engineered for standard door frame installation on interior doors weighing up to 250 lbs. This single acting, handed floor closer mounts parallel to the frame and features separate independent valves for closing speed, latch speed, and backcheck control. The unit includes closer, mortised rail, and arm with slider for complete installation, with maximum swing capability of 90 degrees and door width compatibility up to 4 feet.

Professional Features & Benefits

• Heavy-Duty Door Capacity: Supports interior doors up to 250 lbs with robust construction for consistent long-term operation.
• Shallow Depth Design: Independently-hung configuration ideal for upper levels of multi-story buildings where space constraints require minimal floor penetration.
• Precision Speed Control: Separate independent valves for closing speed, latch speed, and backcheck provide precise door operation adjustment.
• Maximum Door Width: Accommodates doors up to 4 feet wide with 90-degree maximum swing capability for versatile installation options.
• Complete Installation Package: Includes closer, mortised rail, and arm with slider plus interchangeable spindle adapters for various applications.
• Fire-Rated Performance: UL listing for 3-hour fire door assemblies ensures code compliance for commercial fire safety requirements.
• Specialized F5310 Option: Available for 90-degree pocket door installations where closer is located in the pocket, compatible with F519 pocket pivots.
• Manufacturer Warranty: 2 Year Limited warranty provides confidence and protection for commercial installations.

Technical Specifications

• Commercial/Residential: Commercial
• Cover Type: Cycolac, rust-proof cement case
• Delay Function: Yes
• Department: Door Hardware
• Door Swing: Single Acting
• Door Weight: 250 lbs.
• Duty Level: Standard Duty
• Fire Rating: Yes
• Hang Type: Offset Hung
• Hold Open Feature: No
• Product Category: Door Controls
• Product Group: Door Controls
• Product Model: F5303NBC
• Product Subgroup: Door Closers - Floor
• Product Type: Floor Door Closers - Shallow Depth
• Series: F53 Series
• Spring Type: Fixed Size
• Subcategory: Floor Closers
• Traffic Rating: Moderate Traffic
• UL Listing Type: UL listing for 3-hour fire door assemblies
• Warranty: 2 Year Limited

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 250 lbs, and frame compatibility for parallel mounting configuration.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on floor and door frame surfaces for the mortised rail installation.
3. Prepare floor and frame by drilling required holes and routing as specified in manufacturer instructions, ensuring proper depth for shallow-depth design.
4. Install the closer body, mortised rail, and arm with slider assembly per manufacturer torque specifications, ensuring proper alignment for independently hung operation.
5. Adjust the separate independent valves for closing speed, latch speed, and backcheck to achieve desired door operation characteristics throughout the 90-degree swing range.
6. Test device operation with door weight up to 250 lbs 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
• Educational Facilities
• Healthcare Institutions
• Multi-Story Building Upper Levels
• Fire-Rated Door Assemblies
• Interior Door Control Systems
• Pocket Door Installations (F5310 model)

Why Choose Norton Rixson Quality?

Norton Rixson F53 Series floor closers deliver professional-grade reliability with robust materials and internal components engineered for long life and consistent operation. UL listed for 3-hour fire door assemblies with 2 Year Limited warranty coverage. Constructed with Cycolac rust-proof cement case and designed for demanding commercial applications where dependable door control and fire safety compliance are essential.