The Norton 8501H Surface Mounted Door Closer with Full Cover, Friction Arm Hold Open Arm, Regular Arm, Top Jamb, and Parallel Arm - Multi-Size 1 thru 6 Hold Open Achieved by means of friction or ball and detent/ roller. Friction hold open has a range of 90 ° to 180 ° using template location and mechanical adjustment. Norton 8501H Hold Open Door Closer For Use In High Traffic Area s In All Type s Of Institutions, Hotels, Factories, Healthcare, Ect. Norton Door Controls Door Closers Are Manufactures Of Quality Made Commercial Door Hardware.
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