The head itself has a liquid filled glass bulb that bursts at the rated temperature to trigger the sprinkler.
Fire sprinkler cover plate removal.
Platform diameter is 3 3 8 86mm may be used with any 1 cpvc pipe for easier reach of higher ceilings.
When the plate s temperature rating is reached it falls away to expose the sprinkler head.
Escutcheon plates also known as trim plates seal the gap between the fire sprinkler head and the ceiling.
The temperature responsive solder reacts to a specified temperature usually about 20 degrees lower than the.
The solder is temperature sensitive to melt usually 20 degrees fahrenheit lower than the sprinkler head activation temperature.
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.
Can be used in conjunction with senju sprinkler s protective cap removal tool.
An inconspicuous cover plate provides a clean look for sprinkler heads.
3 step flat cover plates shall be ul listed and fm approved for use with the automatic sprinkler they are being paired with to.
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.
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.
The 3 step adjustable cover plates are to be used with concealed pendent sprinklers to achieve up to 1 8 of adjustment within a finished ceiling assembly to assist with everyday environmental vibration problems.
The fire sprinkler cover plate comes soldered to a frame piece that screws or pushes into the fire sprinkler head assembly.
Learn how easy it is to replace them yourself.
Do you have old rusty escutcheons.