Delaney 4400 Series Light to Medium Duty Door CloserSpecifications: ANSI 156.4 Grade 1 UL / UL10C listed, 3-hour fre rating Compliant with ADA reduced opening force requirements Same mounting hole pattern as LCN 4041 Adjustable power size Factory preset Size 3 Independent latch, sweep & backcheck intensity valve Heavy duty rack & pinion Heat treated high tension piston High lubricity hydraulic fuid to ensure smooth operation DA series equipped with delay action feature Standard arm and parallel bracket included for regular arm, top jamb, and parallel arm applications Standard arm Installation allows door to swing 180 Heavy duty cast iron closer body Sex Bolts included Non-Handed