Norton Rixson H28 Series Heavy Duty Concealed Floor Closer for Offset-Hung Doors

Norton Rixson H28 Series Heavy Duty Concealed Floor Closer for Offset-Hung Doors

Premium Concealed Door Control Solution for Commercial Applications

The Norton Rixson H28 Series Heavy Duty Floor Closer delivers powerful concealed door control engineered for demanding commercial environments. Designed specifically for offset-hung doors with 3/4" offset, this premium floor closer supports doors up to 450 lb and 4'0" width while maintaining smooth operation and proper alignment. ANSI/BHMA A156.4 Grade 1 certified construction ensures reliable performance in high-traffic facilities including hospitals, schools, airports, and commercial office buildings.

Professional Features & Benefits

• Heavy-Duty Door Capacity: Supports doors up to 450 lb and 4'0" width for versatile commercial applications requiring robust door control.
• Offset-Hung Door Compatibility: Engineered specifically for doors with 3/4" offset ensuring stable and controlled operation for specialized door configurations.
• Concealed Floor Design: Preserves clean architectural lines with no overhead closers or surface hardware required, maintaining aesthetic appeal.
• Grade 1 Performance: ANSI/BHMA A156.4 Grade 1 certification provides heavy-duty reliability for high-traffic commercial environments.
• Adjustable Closing Control: Independent sweep and latch speed valves allow precise closing control tailored to specific environmental requirements.
• Durable Cast Construction: Heavy-duty cast closer body with corrosion-resistant components ensures longevity in demanding commercial applications.
• Flexible Configuration Options: Available in hold-open and non-hold-open models to match code requirements and building use specifications.
• Manufacturer Warranty: 2 Year Limited warranty provides added confidence and protection for commercial installations.

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
• Grade: Grade 1
• Hold Open Feature: No
• Product Category: Door Controls
• Product Group: Door Controls
• Product Subgroup: Door Closers - Floor
• Product Type: Floor Door Closers
• Series: SEC27 Series
• Subcategory: Specialty Closers
• Traffic Rating: High Traffic
• Warranty: 2 Year Limited

Installation & Operation

1. Review manufacturer specifications and verify floor preparation requirements including proper mortising dimensions and structural support for the cast iron cement case.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on floor surface and ensure proper alignment with door pivot points.
3. Prepare floor by cutting required mortise pocket and drilling mounting holes as specified in manufacturer instructions for concealed installation.
4. Install closer body in floor mortise and secure with appropriate fasteners per manufacturer torque specifications ensuring proper depth and alignment.
5. Adjust sweep and latch speed valves for controlled closing operation appropriate to the specific commercial application and traffic patterns.
6. Test door operation throughout full range of motion to verify proper closing control and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Healthcare Facilities and Hospitals
• Educational Institutions
• Airport and Transportation Terminals
• Commercial Office Buildings
• High-Traffic Retail Establishments
• Hospitality and Hotel Entrances
• Government and Municipal Buildings

Why Choose Norton Rixson Quality?

Norton Rixson H28 Series floor closers deliver professional-grade reliability with heavy-duty cast construction and Grade 1 certification for demanding commercial applications. Engineered to support doors up to 450 lb with precise closing control, these concealed floor closers provide long-term performance in high-traffic environments. 2 Year Limited warranty ensures dependable operation where consistent door control is essential.