Metraflex’s BreakAway coupling gives seismic expansion joints freedom of movement when hanger rods are too short to allow full-rated movement. The coupling allows the seismic expansion loop to move freely and protect the fire sprinkler system, preventing further damage.
Breakaway coupling from Metraflex
![Breakaway coupling from Metraflex](http://www.pmengineer.com/ext/resources/PME/2016/May-2016/pme0516ProductFocus_MetraFlex.png?1464284783)