Norton Rixson 328 Series Center Hung Single Acting Heavy Duty Floor Closer - 325 lbs Capacity
Professional Center Hung Floor Closer for Heavy Glass Doors
The Norton Rixson 328 Series is a single-acting, center-hung floor closer engineered for interior or exterior glass doors weighing up to 325 lbs with patch fittings. This heavy-duty closer features separate and independent valves for closing speed, latch speed, and backcheck, with built-in positive dead stop available at 85°, 90°, 95°, or 105° opening degrees. Constructed with a Cycolac rust-proof cement case and heavy-duty hardened one-piece steel spindle for consistent long-term operation.
Professional Features & Benefits
- Heavy-Duty Door Capacity: Supports glass doors up to 325 lbs and door sizes up to 3'2" x 8'0" for demanding commercial applications.
- Precision Control System: Separate and independent valves for closing speed, latch speed, and backcheck provide enhanced operational control and adjustment.
- Built-In Dead Stop Protection: Positive dead stop prevents doors from swinging beyond desired opening degree with options for 85°, 90°, 95°, or 105° configurations.
- Heavy-Duty Steel Construction: Hardened one-piece steel spindle designed for long life and consistent operation in high-traffic environments.
- Vandal-Resistant Design: Concealed in-floor installation provides protection from tampering and vandalism while maintaining aesthetic appeal.
- Weather-Resistant Construction: Cycolac rust-proof cement case suitable for both interior and exterior door applications.
- ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.4 Grade 1 standards for commercial-grade performance and reliability.
- Manufacturer Warranty: 10-year limited warranty provides added confidence and long-term protection.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
- Commercial/Residential: Commercial
- Delay Function: Yes
- Department: Door Hardware
- Door Swing: Single Acting
- Door Weight: 325 lbs.
- Duty Level: Heavy Duty
- Grade: Grade 1
- Hang Type: Center Hung
- Hold Open Feature: No
- Mounting Method: Center Hung
- 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: 328 Series
- Subcategory: Floor Closers
- Warranty: 10 Year Limited
Installation & Operation
- Review manufacturer specifications and verify floor preparation requirements including proper floor thickness and structural support for the closer body installation.
- Use manufacturer-provided templates to mark floor opening dimensions and spindle centerline location accurately.
- Prepare floor opening by cutting required cavity and ensuring proper drainage considerations for exterior applications.
- Install floor closer body ensuring proper alignment with door centerline and verify spindle height matches door bottom rail requirements.
- Connect spindle to door patch fittings and adjust operational components including closing speed, latch speed, and backcheck valves for proper door control.
- Set dead stop degree as specified (85°, 90°, 95°, or 105°) and test door operation throughout full range of motion. Install required frame stop at header lock side. Refer to manufacturer documentation for complete installation details and spindle configuration requirements.
Professional Applications
- Commercial Office Building Entrances
- Retail Store Glass Doors
- Healthcare Facility Main Entrances
- Educational Institution Entry Systems
- Hotel and Hospitality Entrances
- Government and Municipal Building Access
- High-Traffic Commercial Applications
Why Choose Norton Rixson Quality?
Norton Rixson 328 Series floor closers deliver professional-grade reliability with heavy-duty hardened steel construction and Grade 1 ANSI/BHMA certification for demanding commercial applications. The 10-year limited warranty and robust Cycolac rust-proof case construction ensure dependable performance in both interior and exterior installations. Engineered for consistent operation with precision valve control and vandal-resistant concealed mounting where reliable door control is essential.
Manufacturer Resources
Product Specs
- Series:
- 328 Series
- Duty Level:
- Heavy Duty
- Grade:
- Grade 1
- Door Swing:
- Single Acting
- Warranty:
- 10 Year Limited
- ANSI/BHMA:
- ANSI/BHMA A156.4, Grade 1
- Product Group:
- Door Controls
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Parts and Accessories
- Subcategory:
- Parts and Accessories
- Commercial/Residential:
- Commercial
- Door Weight:
- 325 lbs.
- Hang Type:
- Center Hung
- Parts and Accessories Type:
- Installation Accessories
- Product Attribute:
- Parts and Accessories
- Delay Function:
- Yes
- Hold Open Feature:
- No
- Mounting Method:
- Center Hung
- Product Category:
- Door Controls
- Department:
- Door Hardware