CEA 4001 - Page 23

23
s
sprinkler, (automatic)
A nozzle with a thermally sensitive sealing device which opens to discharge water for fire fighting.
sprinkler, ceiling or flush pattern
A pendent sprinkler for fitting partly above but with the temperature sensitive element below, the lower
plane
of the ceiling.
sprinkler, concealed
A recessed sprinkler with a cover plate that disengages when heat is applied.
sprinkler, conventional pattern
A sprinkler that gives a spherical pattern of water discharge.
sprinkler, dry pendent pattern
A unit comprising a sprinkler and a dry drop pipe unit with a valve, at the head of the pipe, held closed by a
device
maintained in position by the sprinkler head valve.
sprinkler, dry upright pattern
A unit comprising a sprinkler and dry rise pipe unit with a valve, at the base of t he pipe, held closed by a
device
maintained in position by the sprinkler head valve.
sprinkler, fusible link
A sprinkler which opens when a component provided for the purpose melts.
sprinkler, glass bulb
A sprinkler which opens when a liquid-filled glass bulb bursts.
sprinkler, horizontal
A sprinkler which the nozzle directs water horizontally.
sprinkler, pendent
A sprinkler in which the nozzle directs water downwards.
sprinkler, recessed
A sprinkler in which all or part of the heat sensing element is above the lower plane of the ceiling.
sprinkler, sidewall pattern
A sprinkler that gives an outward half-paraboloid pattern discharge.
sprinkler, spray pattern
A sprinkler that gives a downward paraboloid pattern discharge.
sprinkler, upright
A sprinkler in which the nozzle directs water upwards.
sprinkler system
The entire means of providing sprinkler protection in the premises comprising one or more sprinkler
installations,
the pipework to the installations and the water supply/supplies.
sprinkler yoke (arms)
The part of a sprinkler that retains the heat sensitive element in load bearing contact with the sprinkler head