What door closers work with center pivots

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On a single door take the mounting dimensions from centerline of pivots.  On a pair of doors, depending on the door width and pivots being used, the operators can butt up against each other or ov...
Neither Dor-O-Matic or LCN manufacturers a floor closer. 
The old 4030/4130 closers and arms are obsolete, there is nothing to replace them. No arm from other closers will fit  There is no closer that can replace the old 4030 series closer with the exa...
Locate closer and arm from the centerline of the swing clear hinge pin.
For safety tips when working with Door Closers see here.
LCN does offer a 2810 Senior Swing / 2010 manual closer combo for a pair of doors.  Both units contained within the same Senior Swing header. To order a paired operator with a 2810 on&nb...