Von Duprin 9954 7’3″ Fire-Rated Steel Mullion

Usually Ships: 5-10 Days
  • Used to adapt a double door into two single doors
  • For use with 22F and 98/99F Von Duprin rim devices
  • 87″ Length – Prepared for 499F strikes (included)

Available Options:


Mullions provide single door performance in double door openings with rim devices. Mullions are easily removed by loosening bottom set screw and removing top fitting cover. The top mullion fitting is attached to the frame and is concealed by the fitting cover. Steel mullions are 2″ wide and 3″ deep, with a wall thickness of 1/8″. Mullions are shipped with mounting screws and prepared for strikes (two (2) 499F Strikes Included)

  • Prepared for and must be used with two 499F (22-F, 98-F, 99F devices)
  • UL fire labeled mullion for up to 3 hour opening using Von Duprin fire exit rim devices
  • This mullion is not easily removed due to special fittings
  • For 22-F devices and 98-F and 99-F devices
  • Includes (2) 499F strikes


Part Type




Fire Rating

UL Listed A or B label Fire-Rated (up to 3 Hours)

Buy American Act Compliance

Meets Buy Amercian Act – Made in USA


689 Aluminum, 695 Dark Bronze

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