Door Closers
Overhead Concealed Door Closers
The CO-50 & 30 Series are overhead concealed door closers. The CO-50 Series are single acting closers while the 30 Series are double acting closers. The CO-50 Series is commonly used in commercial office spaces, whereas the 30 Series is ideal for double-acting aluminum storefront application.
Door Closers
Features
QUALITY BUILT
The CO-50 Series combines high-quality materials and advanced manufacturing techniques for outstanding quality, performance, and value.
INSTALLATION OPTIONS
The CO-50 Series offers an enhanced installation options and configuration/customization options to simplify installations in the field.
EXCEPTIONAL PERFORMANCE
Made from R-14 die cast aluminum, the cylinder body of each CO-50 Series closer provides superior durability and performance.
FULL HYDRAULIC CONTROLS
The versatile hydraulic mechanism allows maximum control over door closing speed for both first and second closing, ensuring a smooth and independent operation.
Mechanical Backcheck Function
CO-50 Series models now come with a standard mechanical backcheck function, in which the force and weight of the door are controlled to prevent door damage and injury. (CO-55 and CO-56 closers include a hydraulic backcheck function)
The BEST solutions for your industry
Where it Works

Learning & Higher Education
Hydraulic mechanism allows maximum control over door closing speed for ensuring a smooth and independent operation protecting people.

Retail & Commercial
Built with high-quality materials and advanced manufacturing techniques for outstanding quality, performance, and value. Easy field configuration and customization options. CO-50 is ideal for commercial and office applications; CO-30 is ideal for storefront applications.
Finishes

UltraShield™ antimicrobial coating available
Find A Dealer
With dealers in every major city and region across the United States, you have immediate access to all BEST products.