Corbin Russwin 188F65 Grade 1 Door Closer Drop Plate, for DC3220 x Full Cover

Corbin Russwin 188F65 Door Closer Drop Plate for DC3220 Full Cover, Parallel Arm or Top Jamb Mounting, Aluminum Painted

Commercial-Grade Drop Plate Accessory for Narrow Top Rail Door Installations

The Corbin Russwin 188F65 Door Closer Drop Plate is a precision-engineered replacement part designed for use with the DC3220 door closer with full cover. Finished in aluminum painted (689), this drop plate permits parallel arm or top jamb mounting on doors where the top rail is too narrow to install the closer in the regular manner, providing a reliable solution for challenging door configurations. Designed for commercial applications and compatible with the DC8240 Series, this component is built to Corbin Russwin's exacting standards for door controls hardware. Suitable for doors with a 1-3/4" door thickness.

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 controls parts and accessories deliver professional-grade reliability, backed by a 30 Year Limited warranty that reflects the brand's commitment to long-term performance in demanding commercial environments. The 188F65 Drop Plate is purpose-built for the DC3220 full cover closer, ensuring proper fit and function for parallel arm and top jamb mounting scenarios where standard installation is not possible. Engineered for commercial applications where dependable, code-compliant door hardware performance is essential.