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> Commercial grade 1 adjustable size door closer aluminum
Commercial grade 1 adjustable size door closer aluminum
* Universal application. Non-handed for standard, top-jamb or parallel arm installation
* Non-sized, 2 thru 6 and 1 thru 4 FACTORY PRESET SIZE 3
* Standard adjustable back-check function
* Adjustable closing and latching speed by two separate regulating valves
* Standard full plastic cover
* ANSI 156.4 Grade 1: UL listed for fire door assemblies
* Preset at the factory for approximately 20 seconds, between 70 and 0
Delay time easily adjusted up to 1 minute
