Norton Rixson H28 Series Center Hung Single Acting Extra Heavy-Duty Floor Closer - 1000 lbs Capacity

Norton Rixson H28 Series Center Hung Single Acting Extra Heavy-Duty Floor Closer - 1000 lbs Capacity

Professional Extra Heavy-Duty Floor Closer Solution

The Norton Rixson H28 Series is a single-acting, center-hung floor closer engineered for extra-heavy, high-traffic interior or exterior doors weighing up to 1000 lbs. This Grade 1 floor closer accommodates door sizes up to 4'0" x 8'6" (1219 x 2591mm) with minimum 2" door thickness requirements. Built with a cast iron cement case and heavy-duty hardened one-piece steel spindle, the H28 provides consistent operation and vandal resistance through concealed in-floor installation.

Professional Features & Benefits

• Extra Heavy-Duty Capacity: Supports doors weighing up to 1000 lbs with door sizes up to 4'0" x 8'6" (1219 x 2591mm) for demanding commercial applications.
• Minimum Door Thickness: Designed for doors with 2" minimum thickness, with special 587 side load arm available for 1-3/4" thick doors requiring 2-3/4" minimum backset.
• Heavy-Duty Construction: Cast iron cement case with heavy-duty hardened one-piece steel spindle provides exceptional durability and positive dead stop functionality.
• Precision Control Valves: Separate and independent valves for closing speed, latch speed, and backcheck allow precise adjustment and enhanced door control.
• Built-in Dead Stop Options: Positive dead stop prevents doors from swinging beyond desired opening degree with available settings of 85°, 90°, 95°, or 105°.
• Vandal-Resistant Design: Concealed in-floor installation provides protection from tampering while supporting the full weight of the door through the floor closer mechanism.
• ANSI Compliance: Certain models meet ANSI A117.1 accessibility requirements (PH prefix models) for barrier-free applications.
• Manufacturer Warranty: 10 Year Limited warranty provides long-term protection and confidence in commercial installations.
• Installation Accessories: Includes H340 top pivot, wood and machine screws, with options for floor plate or threshold installation methods.

Technical Specifications

• ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
• Commercial/Residential: Commercial
• Cover Type: Cast Iron Cement Case
• Delay Function: Yes
• Department: Door Hardware
• Door Swing: Single Acting
• Door Weight: 1000 lbs.
• Duty Level: Heavy Duty
• Grade: Grade 1
• Hang Type: Offset Hung
• Hold Open Feature: No
• Maximum Door Width: 48"
• Parts and Accessories Type: Installation Accessories
• Product Attribute: Parts and Accessories
• Product Category: Door Controls
• Product Group: Door Controls
• Product Subgroup: Door Closers - Floor
• Product Type: Parts and Accessories
• Series: H28 Series
• Subcategory: Floor Closers
• Traffic Rating: High Traffic
• Warranty: 10 Year Limited

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness (2" minimum), door weight (up to 1000 lbs), and floor conditions for proper closer installation.
2. Use manufacturer-provided templates to mark floor pocket location and top pivot mounting points accurately on door and frame surfaces.
3. Prepare floor pocket according to specifications and install floor closer body ensuring proper alignment with door swing path and pivot points.
4. Install H340 top pivot and connect door to floor closer mechanism per manufacturer torque specifications and alignment requirements.
5. Adjust closing speed, latch speed, and backcheck valves for proper door operation and set positive dead stop to specified degree (85°, 90°, 95°, or 105°).
6. Test door operation throughout full range of motion and verify proper closing sequence, latch engagement, and dead stop function. Refer to manufacturer documentation for complete installation details and valve adjustment procedures.

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 H28 Series floor closers deliver professional-grade reliability with cast iron cement case construction and heavy-duty hardened steel spindle rated for doors up to 1000 lbs capacity. 10 Year Limited warranty provides long-term protection for demanding commercial applications. Engineered for high-traffic environments where consistent door control and vandal resistance are essential for building security and accessibility compliance.