Norton Rixson H40 Series Center Hung Double Acting Heavy Duty Floor Closer - 1000 lbs Capacity
Professional Heavy-Duty Floor Closer for Extra Heavy Door Applications
The Norton Rixson H40 Series is a center-hung, double-acting floor closer engineered for thick, extra heavy door installations supporting doors up to 1000 lbs. This Grade 1 ANSI/BHMA A156.4 certified closer features adjustable closing speed valves for each direction of door swing and includes the H340 top pivot for complete installation. Designed for doors with 2" minimum thickness and door sizes up to 4'0" x 8'6" (1219 x 2591mm), this heavy-duty closer provides reliable performance for both interior and exterior commercial applications.
Professional Features & Benefits
- Heavy-Duty Load Capacity: Supports doors weighing up to 1000 lbs with thrust bearing design for greater load capacity and long-term reliability.
- Door Size Compatibility: Accommodates door sizes up to 4'0" x 8'6" (1219 x 2591mm) with 2" minimum door thickness requirements.
- Dual-Direction Speed Control: Adjustable closing speed valves for each direction of door swing provide precise control and smooth operation.
- Complete Installation Package: Includes H340 top pivot and steel cement case for comprehensive floor closer solution.
- Maximum Opening Range: Allows door opening up to 103° with mechanism that returns door to center position automatically.
- Grade 1 Construction: ANSI/BHMA A156.4 Grade 1 certified with robust materials and internal components for consistent long-life operation.
- Flexible Installation Options: Available with floor plate or threshold installation methods to suit various application requirements.
- Manufacturer Warranty: 10-year limited warranty provides added confidence and protection for commercial installations.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
- Commercial/Residential: Commercial
- Delay Function: Yes
- Department: Door Hardware
- Door Swing: Double Acting
- Door Weight: 1000 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: H40 Series
- Subcategory: Floor Closers
- Traffic Rating: High Traffic
- Warranty: 10 Year Limited
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness (2" minimum), door size compatibility up to 4'0" x 8'6", and structural adequacy for 1000 lb door weight.
- Use manufacturer-provided templates to mark mounting hole locations accurately for floor closer body and H340 top pivot installation.
- Prepare floor and door by drilling required holes and routing as specified in manufacturer instructions for center-hung mounting configuration.
- Install floor closer body with steel cement case using appropriate installation method (floor plate or threshold) per manufacturer specifications.
- Mount H340 top pivot and connect to floor closer mechanism ensuring proper alignment for center-hung operation.
- Adjust closing speed valves for each direction of door swing to achieve desired closing performance and verify door returns to center position. Install required auxiliary door stop (overhead or floor type).
- Test double-acting operation throughout full 103° opening range and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Commercial Office Building Entrances
- Retail Store Heavy Traffic Areas
- Industrial Facility Access Points
- Healthcare Institution Main Entrances
- Educational Facility Heavy-Use Doors
- Government and Municipal Building Entrances
- Multi-Tenant Residential Common Areas
Why Choose Norton Rixson Quality?
Norton Rixson H40 Series floor closers deliver professional-grade reliability with Grade 1 ANSI/BHMA A156.4 certification and robust construction designed for high-traffic commercial applications. The 10-year limited warranty and thrust bearing design for greater load capacity ensure dependable performance supporting doors up to 1000 lbs. Engineered for demanding commercial environments where consistent heavy-duty door control is essential.
Manufacturer Resources
Product Specs
- Series:
- H40 Series
- Duty Level:
- Heavy Duty
- Grade:
- Grade 1
- Door Swing:
- Double Acting
- Traffic Rating:
- High Traffic
- 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:
- 1000 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