Ryobi D4550 Tri-Pack Heavy Duty Door Closer

The Ryobi D-4550 Tri-Pack Door Closer is a premium-grade, heavy-duty surface-mounted closer engineered for demanding commercial environments. Constructed with a durable R14 high-silicon aluminum alloy body, this closer offers exceptional wear resistance, corrosion resistance, and a lightweight profile—making it the ideal solution for high-traffic areas like schools, hospitals, institutional buildings, and office complexes.

This Tri-Pack version includes all essential hardware to support three mounting configurations—Regular Arm, Top-Jamb, and Parallel Arm—ensuring versatility and simplified installation for contractors and facility managers.

Key Features & Benefits

• Adjustable Power Size 1–6 (+50%): Precisely control closing force to suit a wide range of door sizes and environmental conditions.

• Non-Handed Design: Compatible with both left- and right-handed doors, simplifying stock and installation.

• Tri-Pack Configuration: Includes regular arm, parallel bracket, and mounting hardware for all three primary installation methods.

• R14 Hard High-Silicon Aluminum Alloy: Automotive-grade construction ensures long-term performance and reduced maintenance.

• Full Hydraulic Control: Smooth, quiet operation with adjustable valves for:

  • Closing Speed

  • Latching Speed

  • Backcheck Resistance

• All-Season Hydraulic Fluid: Eliminates the need for seasonal adjustments in temperature-sensitive environments.

• Heavy-Duty Forged Arms: Interchangeable with multiple arm options including hold-open, stop, compression stop, and track-rail models.

Certifications & Compliance

• ANSI/BHMA A156.4 Grade 1 Certified – Industry’s highest durability standard.

• UL 228 & UL 10C Listed – Fire-rated for use on self-closing fire doors with or without hold-open functionality.

Applications

• Public buildings with high foot traffic: schools, colleges, and libraries

• Healthcare facilities: hospitals, clinics, and senior living centers

• Commercial spaces: offices, retail centers, hotels, and airports

• Industrial settings and government institutions

Specifications

• Max Door Width: Interior: 60", Exterior: 48"

• Max Door Weight: 330–440 lbs

• Mounting Types: Regular, Top-Jamb, Parallel (Tri-Pack)

• Finish: Painted Plastic-Black

• Warranty: 25-Year Limited Manufacturer’s Warranty