Norton Rixson EH28 Series Center Hung Single Acting Floor Closer with Power Transfer - 500 lbs Capacity

Norton Rixson EH28 Series Center Hung Single Acting Floor Closer with Power Transfer - 500 lbs Capacity

Heavy-Duty Floor Closer with Integrated Power Transfer Technology

The Norton Rixson EH28 Series is a single-acting, center-hung floor closer engineered for demanding commercial applications requiring power transfer from frame to door through the closer spindle. This heavy-duty unit supports doors weighing up to 500 lbs with door sizes up to 4'0" x 8'6" (1219 x 2591mm). The cast iron cement case construction provides exceptional durability while the built-in positive dead stop prevents doors from swinging beyond the desired opening degree at 85°, 90°, 95° or 105°. ANSI/BHMA A156.4 Grade 1 certified for high-traffic commercial installations.

Professional Features & Benefits

• Heavy-Duty Load Capacity: Supports doors weighing up to 500 lbs with door sizes up to 4'0" x 8'6" (1219 x 2591mm) for large commercial door applications.
• Integrated Power Transfer: Provides power transfer through closer spindle using low voltage, class II wiring (2 wire, 18 gauge only) for electrified hardware integration.
• Precision Dead Stop Control: Built-in positive dead stop prevents doors from swinging beyond desired opening degree with options for 85°, 90°, 95° or 105° configurations.
• Cast Iron Construction: Cast iron cement case with heavy-duty hardened one-piece steel spindle provides exceptional durability and vandal resistance through concealed in-floor installation.
• Multi-Valve Adjustment: Separate and independent valves for closing speed, latch speed, and backcheck allow precision adjustment and enhanced operational control.
• Grade 1 Performance: ANSI/BHMA A156.4 Grade 1 certification ensures reliable performance in high-traffic commercial applications.
• Flexible Installation Options: Available with floor plate or threshold installation with H340 top pivot included and compatibility with 2" minimum door thickness.
• Manufacturer Warranty: 10 Year Limited warranty provides long-term protection and confidence in commercial installations.

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: 500 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: EH28 Series
• Subcategory: Floor Closers
• Traffic Rating: High Traffic
• Warranty: 10 Year Limited

Installation & Operation

1. Review manufacturer specifications and verify floor preparation requirements including proper substrate strength for 500 lb door loads and spindle alignment.
2. Use manufacturer-provided templates to mark floor pocket location and ensure adequate clearance for closer body and power transfer wiring access.
3. Prepare floor pocket by cutting required opening and routing conduit pathways for low voltage class II wiring (2 wire, 18 gauge only).
4. Install closer body in floor pocket ensuring proper alignment with door pivot point and secure per manufacturer torque specifications.
5. Mount H340 top pivot and connect power transfer wiring through closer spindle following manufacturer wiring diagrams.
6. Adjust closing speed, latch speed, and backcheck valves independently for optimal door operation and set dead stop to specified degree (85°, 90°, 95° or 105°).
7. Test complete door operation including power transfer function and verify proper alignment throughout full range of motion. Install frame stop at header lock side as required. 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 EH28 Series floor closers deliver professional-grade reliability with cast iron cement case construction and heavy-duty hardened one-piece steel spindle rated for 500 lb door loads. The 10 Year Limited warranty provides long-term protection while ANSI/BHMA A156.4 Grade 1 certification ensures consistent performance in high-traffic commercial applications. Engineered for demanding installations where integrated power transfer and precise door control are essential.