The 7400 Series closers offer modern styling and versatility while providing safe and reliable door control. Featuring back check and adjustable spring sizes, Dorma's 7400 Series is the ideal solution in a wide variety of applications, including barrier-free. This Grade 1 hydraulic surface door closer is both flexible and easy to install. The 7436 closer has two independent valves to separately control sweep and latch closing speeds and provide constant speeds when temperatures change. Standard with adjustable back check to provide cushioning effect in opening. It includes an integral design to positively stop adjustment of the spring at the minimum and maximum spring force settings. Standard with special rust inhibitor (SRI) for added protection against corrosive environments. Available as 7436 with adjustable spring sizes 3-6. 7414 meets 5 lb interior barrier-free applications. Non-handed for regular, top jamb and parallel arm applications.
Handing : Reversible
Overhead Door Closer
Adjustable Speed, Backcheck
Closer Strength : 3 to 6 (Adjustable)