Corbin Dorma Dorma-Taco Doromatic Jackson Kawneer LCN Lockwood Norton R&K Rixson Roto-Swing Russwin Sargent Tubelite
Norton
Surface Applied Closers
Model B-F
Reversible handingSized spring (B-F)Old Style: Rectangle shaftNew Style: Square shaft (1/4", 1/2" high)Identified by letter on the end plugclick images to enlarge
Model 78
Reversible handingSized spring (B/D, E/F)Square shaftIdentified by letters at mounting holes
Model 700
HandedSized springOld Style: Double 'D' shaftNew Style: Square shaftIdentified by # stamped on closer
Model 750
HandedSized spring (D-E)Corner mountIdentified by # at end of closer
Model 1601/1601BF
Non handed1601: Adjustable 2-61601BF: Adjustable 1-6Common hole patternIdentified by # stamped at closer end
Model 75/7700
Non handed7500: Adjustable spring7700: Sized springIdentified by # at end plug
Model 8000/8100
Non handed8000: Sized spring8100: Adjustable spring (1-6)Identified by # at end of closer
