Fire Sprinkler Cover Plate Removal

A sprinkler cover or cup cover plate or concealer is part of the concealed sprinkler head assembly designed specifically for a manufacturer s model and has a thermal element solder that responds to fire by falling out of the sprinkler s way just before sprinkler activation.
Fire sprinkler cover plate removal. This video demonstrates how to cut off an old pendant escutcheon and repl. When the solder melts the cover plate falls off allowing the sprinkler head deflector to drop. The temperature responsive solder reacts to a specified temperature usually about 20 degrees lower than the. Learn how easy it is to replace them yourself.
Escutcheon plates also known as trim plates seal the gap between the fire sprinkler head and the ceiling. 3 step flat cover plates shall be ul listed and fm approved for use with the automatic sprinkler they are being paired with to. Install using required wrenches sold separately. The solder is temperature sensitive to melt usually 20 degrees fahrenheit lower than the sprinkler head activation temperature.
Do you have old rusty escutcheons. The fire sprinkler cover plate comes soldered to a frame piece that screws or pushes into the fire sprinkler head assembly. A cover plate simply screws into the concealed fire sprinkler to provide aesthetic benefits and protect the sprinkler from dirt dust and debris similar to escutcheons learn the difference between an escutcheon and a cover plate. Can be used in conjunction with senju sprinkler s protective cap removal tool.
When the plate s temperature rating is reached it falls away to expose the sprinkler head. Platform diameter is 3 3 8 86mm may be used with any 1 cpvc pipe for easier reach of higher ceilings. When installers cut holes in the ceiling for the sprinkler heads the holes are significantly larger than the sprinkler heads themselves usually leaving a gap of well more than 1 8 between the head and the surrounding ceiling.