The 278 Series Powerglide Overhead Concealed is ideally suited for:
�Heavyduty exterior and interior applications
�Schools maintaining `cast iron` specs
�Hospitals maintaining `cast iron` specs.
Features and Benefits:
�BHMA certified ANSI A156.4 Grade 1
�Conforms to UL 10C and UBC 7-2 (1997)
�UL and CUL Listed
�Separate closing and latching speeds
�Backcheck with two pressure relief valves standard
�Adjustable spring power: Sized 1 thru 6
�Handed
�Cast iron, one piece body
�Forged steel arms.