Corbin Russwin 188F63 Grade 1 Door Closer Parallel Arm Flush Transom Bracket

Corbin Russwin 188F63 Parallel Arm Flush Transom Bracket for DC3000 and DC6000 Series Door Closers

Essential Mounting Accessory for Flush Transom Door Closer Installations

The Corbin Russwin 188F63 is a Parallel Arm Flush Transom Bracket engineered specifically for use with DC3000 and DC6000 Series Door Closers. This bracket is required when parallel arm mounting is used on a flush transom application, ensuring a secure and code-compliant installation. Designed for commercial environments, it permits parallel arm or top jamb mounting on a door when the top rail is too narrow to install the closer in the regular manner, providing critical flexibility for challenging door configurations.

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

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Corbin Russwin Quality?

Corbin Russwin door control accessories are engineered to commercial-grade standards, delivering reliable performance in demanding applications. The 188F63 bracket is backed by a 30 Year Limited warranty, reflecting the brand's commitment to long-lasting, dependable hardware. Designed specifically for DC3000 and DC6000 Series Door Closers, this bracket ensures proper parallel arm mounting on flush transom applications where standard installation is not possible.