December 2008
Section 3 KP Design Page 3 –30
Amerex Restaurant Fire Suppression System (EX 4658)
NOTE: THESE ARE EXAMPLES ONLY – OTHER CONFIGURATIONS CAN BE DESIGNED
GENERAL PIPING REQUIREMENTS:
1.
All pipe used for the distribution network must be schedule 40 (black, chrome or
stainless steel) pipe.
2.
Piping limitations are expressed in linear length of pipe. Linear piping is the actual
length of straight pipe used throughout the system.
WARNING: GALVANIZED PIPE IS NOT ALLOWED
3.
Maximum flow point per cylinder:
Model 275 = 8 flow points
Model 375 = 11 flow points
Model 475 = 14 flow points
Model 600 = 18 flow points
Twin 375 = 22 flow points
A Supply Line is the
distribution piping that
runs from the distributor
outlet or discharge fitting
to the first splitting tee.
A Supply Branch Line
(including the last nozzle
branch) is the distribution
piping that runs from the
first tee at the hood to the
last nozzle in the system
including all fittings used to
exit the supply branch line.
A Nozzle Branch Line is
the distribution piping that
runs from the supply
branch tee splitting to the
nozzles including all
fittings used to exit the
supply branch line.