Norton 78-B/F Potbelly Door Closers

The Norton 78-B/F Series Potbelly Surface Closers represent a combination of traditional styling and modern closer features. Norton 78-B/F Series Potbelly Surface Closers Are Commerical Grade One Door Closers, sizes are contained within a single size cast aluminum alloy shell. Templates for installing this closer are the same for all closer sizes. Norton Traditional 78-B/F Series Potbelly Surface Closers have an unusual ability to accommodate power adjustment to their environment. The adjustable clock coil spring provides a small incremental increase or decrease through a wide range of closer power. They can be adjusted to meet the exact power requirements of the installation. Sweep speed, latch speed and backcheck cushioning can also be adjusted to door, frame and variable conditions.