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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.
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