Yale® 400/4400 Series Door Closers. Yale® 400/4400 Series Door Closers. Manufacturer Yale Commercial Locks and Hardware

Yale’s 400/4400 Series Institutional Door Closers offer customers the ideal
combination of superior performance, quality and strength. With upgraded
pinion and piston materials, improved valve design, and staked valves, the
closers are the most efficient, dependable closers in the industry. The
addition of a size 1-6 spring for the 4400’s also simplifies the process of
specifying and ordering product

door closer power options
Series 400 Sized Door Closer
Available in five different power sizes (2, 3, 4, 5 or 6). Each power size is adjustable up to 50% stronger than the minimum closing force for that size, as outlined in ANSI/BHMA standard A156.4 with option PT 4C.