Yale 3501,3501DL,3521,3521T Door Closers
Yale 3501,3501DL,3521,3521T Door Closers Are Surface Mounted Commercial Grade One Door Closers. And Non Handed. Both The 3501 and 3501DL [Delayed Action Door Closer] are Adjustable spring sizes 1 through 6, Tri-packed regular arm, top jamb and parallel arm mounting. Yale 3520 has a Heavy Duty Dead Stop Arm ,Yale 3521T Heavy Duty Dead Stop Arm With Hold Open. The 3520 and 3521T Are a Excellent Choise For Exterior Doors, High Traffic Areas In , Healthcare, Institutions, Factories, Office Buildings, Labs, Ect. See Manufactures Product Specification For Additional Information.