Norton Rixson 7570 Series High Security Door Closer with Cast Aluminum Body and Heavy-Duty Spring Sizes 1-6

Norton Rixson 7570 Series High Security Door Closer with Cast Aluminum Body and Heavy-Duty Spring Sizes 1-6

Maximum Security Door Closer for Institutional Applications

The Norton Rixson 7570 Series High Security Aluminum Door Closer delivers exceptional protection against tampering and abuse while providing reliable door control for demanding institutional environments. This heavy-duty surface-mounted closer features a cast aluminum body with adjustable spring sizes 1-6 and can handle doors up to 250 pounds. The security design includes permanent orbital riveted joints and Torx® drive machine screws with security pins to prevent unauthorized disassembly. ANSI/BHMA A156.4 Grade 1 certified with UL 10C fire rating up to 3 hours and ADA compliance.

Professional Features & Benefits

• Maximum Door Weight Capacity: Handles doors up to 250 pounds with adjustable heavy-duty spring sizes 1-6 for versatile installation requirements.
• Security Construction: Cast aluminum body with permanent orbital riveted elbow and arm show/soffit plate joints prevent disassembly and tampering.
• Tamper-Resistant Hardware: Torx® drive machine screws with security pins provide enhanced protection against unauthorized adjustment or removal.
• Heavy-Duty Performance: Larger 1-1/2" (38mm) diameter piston with NorGlide® fluid delivers optimal performance and efficiency in high-traffic applications.
• Versatile Installation: Non-handed design suitable for interior or exterior doors with slide track push or pull side mounting options.
• Grade 1 Certification: ANSI/BHMA A156.4 Grade 1 rated with UL 10C positive pressure fire rating up to 3 hours for code compliance.
• ADA Compliance: Meets Americans with Disabilities Act requirements and ANSI/BHMA A117.1 accessibility standards.
• Extended Warranty: 30-year limited warranty provides long-term protection and confidence in demanding institutional applications.

Technical Specifications

• ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
• Commercial/Residential: Commercial
• Cover Type: Security Cover
• Delay Function: Yes
• Department: Door Hardware
• Door Weight: 250 lbs.
• Duty Level: Heavy Duty
• Grade: Grade 1
• Hold Open Feature: Yes
• Product Category: Door Controls
• Product Group: Door Controls
• Product Subgroup: Door Closers - Surface Mounted
• Product Type: Surface Mounted Door Closers
• Series: 7570 Series
• Spring Type: Adjustable Size
• Subcategory: Surface Closers
• Traffic Rating: High Traffic
• Warranty: 30 Year Limited

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Institutional Facilities and Correctional Centers
• Healthcare Institutions and Mental Health Facilities
• Educational Facilities and Dormitories
• Government and Municipal Buildings
• High-Security Commercial Buildings
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties

Tamper-Resistant Design

The 7570 Series features permanent orbital riveted elbow and arm show/soffit plate joints that prevent disassembly, while Torx® drive machine screws with security pins provide additional protection against tampering. The robust cast aluminum construction and staking design limits accidental valve adjustment during operation.

Why Choose Norton Rixson Quality?

Norton Rixson 7570 Series door closers deliver professional-grade reliability with cast aluminum construction and heavy-duty internal components designed to withstand maximum abuse in institutional environments. The 30-year limited warranty demonstrates confidence in long-term performance, while Grade 1 certification and UL fire rating ensure code compliance. Engineered for demanding commercial applications where security and dependable performance are essential.