·COMPLIES WITH ANSI 156.4 GRADE 1 & A D A REQUIREMENTS
·COMMERCIAL AND RESIDENTIAL USE-SIZE FREE CLOSERS
·SIZE OF DOOR CLOSER RANGE : 2-5 (STANDARD SIZE RANGE)
·BF CLOSER (1-4): NEEDLE BEARING INSTALLED FOR SUPER SMOOTH OPERATION
·PRECISION HEAVY DUTY RACK (PISTON) & PINION GEAR
·U.L LISTED AND FIRE TESTED IN ACCORDANCE WITH BS 476
·ADJUSTABLE BACK CHECK FUNCTION STANDARD
·PARALLEL ARM BRACKET STANDARD
