| 摘要 |
This invention relates to a base plate extension for a fire rated mullion that will firmly secure the base of the mullion in the event of a fire; to a low profile base plate; and, to a mullion assembly comprising a low profile base plate, a mullion latch, and a removable mullion in combination with a double door frame. A removable fire rated mullion is used in conjunction with double door openings to provide a securing point for rim panic bars mounted on doors. For a fire rating to be recognized it must comply with the standard, national Fire Protection Association Inc. (NFPA) 252 Fire Code. The (NFPA) 252 Fire Code was approved by the American National Standards Institute in 1995.
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