Norton Rixson 27-180 Series Heavy Duty Floor Closer with 3/4" Offset and 180° Opening

Norton Rixson 27-180 Series Heavy Duty Floor Closer with 3/4" Offset and 180° Opening

Professional Heavy-Duty Floor Closer for Commercial Applications

The Norton Rixson 27-180 Series is a heavy-duty floor closer engineered for doors weighing up to 450 lbs with 3/4" offset-hung installation. This Grade 1 ANSI/BHMA A156.4 certified closer features 180° maximum opening capability and is suitable for both interior and exterior door applications. The robust Cycolac rust-proof cement case construction ensures long-lasting performance in demanding commercial environments.

Professional Features & Benefits

• Heavy-Duty Weight Capacity: Supports doors up to 450 lbs with robust internal components designed for consistent long-term operation.
• Precision Opening Control: 180° maximum opening with 3/4" offset design and auxiliary floor or wall stop recommended for optimal performance.
• Advanced Hydraulic System: Separate independent valves control closing speed, latch speed, and backcheck for precise door operation adjustment.
• Durable Construction: Heavy-duty hardened one-piece steel spindle with built-in positive dead stop prevents door from swinging beyond desired opening degree.
• Weather-Resistant Case: Cycolac rust-proof cement case provides protection for both interior and exterior door installations.
• Flexible Installation Options: Available with floor plate or threshold installation methods to accommodate various site conditions.
• Grade 1 Certification: ANSI/BHMA A156.4 Grade 1 rating ensures commercial-grade performance and reliability.
• Manufacturer Warranty: 10-year limited warranty provides long-term protection and confidence in product quality.

Technical Specifications

• ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
• Commercial/Residential: Commercial
• Cover Type: Cycolac, rust-proof cement case
• Delay Function: Yes
• Department: Door Hardware
• Door Swing: Single Acting
• Door Weight: 450 lbs.
• Duty Level: Heavy Duty
• Grade: Grade 1
• Hang Type: Offset Hung
• Hold Open Feature: No
• Mounting Method: Offset
• Product Category: Door Controls
• Product Group: Door Controls
• Product Subgroup: Door Closers - Floor
• Product Type: Floor Door Closers
• Series: 27-180 Series
• Subcategory: Floor Closers
• Warranty: 10 Year Limited

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 450 lbs, and 3/4" offset mounting requirements.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on floor and door surfaces for proper alignment.
3. Prepare floor and door by drilling required holes and routing as specified in manufacturer instructions for offset-hung installation.
4. Install M19 intermediate pivots (ordered separately) for doors 60" to 90" in height, with additional pivots required for each additional 30" of door height.
5. Adjust hydraulic valves for closing speed, latch speed, and backcheck to achieve desired door operation and control.
6. Test device operation through full 180° range of motion and verify proper function with auxiliary floor or wall stop. 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 floor closers deliver professional-grade reliability with heavy-duty hardened one-piece steel spindle construction and Grade 1 ANSI/BHMA A156.4 certification. The 10-year limited warranty demonstrates the manufacturer's confidence in long-term performance. Engineered for demanding commercial applications where dependable door control and consistent operation are essential for building safety and functionality.