Corbin Russwin DC3220 Top Jamb Mounting Grade 1 Surface Door Closer

Corbin Russwin DC3220 Top Jamb Surface Door Closer Grade 1 with Adjustable Closing Force

Commercial-Grade Surface Mounted Door Closer for Barrier-Free and Fire Code Compliance

The Corbin Russwin DC3220 is a Grade 1 surface mounted door closer from the DC3000 Series, engineered to fulfill security and life safety requirements by ensuring reliable latching for access control and fire code compliance. Designed for top jamb mounting with a minimum 3" top jamb required, this closer features a fully adjustable size 1-6 cylinder with backcheck intensity and location valves, and supports up to a full 180° door opening. Compatible with 1-3/4" door thickness and rated for an extraordinary 25,000,000 endurance cycles, the DC3220 is built for the most demanding commercial environments. UL10C and UBC listed, and meeting or exceeding ANSI/BHMA A156.4 Grade 1 requirements, it delivers dependable performance across virtually all door openings and draft conditions in both new construction and renovation projects.

Professional Features & Benefits

• Cast aluminum body with Cam-Motion™ technology for easy opening and secure closing
• Adjustable spring size 1 through 6 — accommodates door weight up to 250 lbs.
• Non-handed — single model supports up to four mounting positions
• Unique spline arm with multiple indexing options for standard and special applications
• Push and pull side installation, door or frame mounted
• Forward-facing adjustable closing and latching speed valves
• Backcheck standard on all units
• Hold open available: specify DC5200 x A1
• 1/2" vertical adjustment for flexible installation
• ANSI/BHMA A156.4 Grade 1 certified; ADA compliant; TAA compliant
• UL10C positive pressure up to 3 hours; UL-cUL listed
• 30-year limited warranty

Technical Specifications

• Grade: ANSI/BHMA A156.4, Grade 1
• Body: Cast aluminum, cam and roller design
• Spring Power: Adjustable sizes 1 through 6
• Door Weight: Up to 250 lbs.
• Door Thickness: 1-3/4" (44mm) standard
• Opening Range: Pull side: 140°; push side: 110°
• Maximum Interior Door Width (Recommended): 54" (137mm)
• Valves: Independent adjustable closing speed and latching speed; standard backcheck
• Hold Open: Available (specify A1 arm); not for fire doors
• Mounting: Pull side door or frame mounted; push side door or frame mounted
• Certifications: ANSI/BHMA A156.4 Grade 1; ADA/ANSI A117.1; UL10C (3 hr.); UL-cUL; TAA
• Warranty: 30-year limited

Professional Applications

• Schools and Universities
• Healthcare Facilities
• Government and Municipal Buildings
• Commercial and Industrial Facilities
• Office and Retail Establishments
• Transportation and Utility Buildings
• Hotels and Conference Centers
• Religious Institutions

Why Choose Corbin Russwin Quality?

Corbin Russwin DC3000 Series door closers are engineered to meet or exceed ANSI/BHMA A156.4 Grade 1 requirements, featuring a cast iron body and one-piece seamless steel spring tube construction rated for an outstanding 25,000,000 endurance cycles. UL10C and UBC listed for fire-rated applications, and backed by a 30 Year Limited warranty, the DC3220 delivers the precision, durability, and code compliance that commercial facilities demand. Engineered for virtually all door openings and draft conditions, it is the trusted choice for new construction and renovation projects across a wide range of commercial environments.