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278 SERIES POWERGLIDE
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278 Series Powerglide Overhead Concealed
- 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
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