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Free Trial! Experience
185Graph before purchase. Visit our
download page to try 185Graph Version 4.2
today. The program is fully
functional for 15 starts or 15 days.
link below to stream the video file to
Windows Media Player. Right mouse
click and select "Save Target As" to
save the entire file to your hard drive.
file is 26.8 MB. The length is 4:49
185Graph is a 1.85 graph based
fire sprinkler hydraulic calculation
software program specifically designed to
graph sprinkler demand vs. water
supply. It calculates base of the
riser demand with the Grid Calculator,
Tree Calculator or Head by Head Worksheet
and will plot these demands against any
water supply. Water supplies can be
adjusted for friction loss, elevation
and/or hose streams.
185Graph has compact, single form modular
design with all data input and output
ergonomically displayed on the same
form. Instantly determine a
sprinkler system's weakness by inspecting
the detailed pressure loss data, and
develop the most appropriate
recommendations for improvement. With
routine use, you will develop an
instinctive sense of "what is adequate"
and "what improvements are
required". Quickly change sprinkler
heads, pipe diameter, density, area, skew,
pump size, etc. Immediately see the
effect of lowering storage or reinforcing
the sprinkler piping and/or water
Version 4.2 is written in Visual Basic 6.0
(32 bit compatibility). It supports
English and International units, file
saving, and can seamlessly read and
convert files saved in different
units. A multi-demand form is
included to automatically plot and label
up to 10 demand curves. Undo/redo
functionality is provided to assist with
customizing the graph. Additionally,
pump rating & graphing capabilities
have been included in the latest
185Graph is designed to be used by Fire
Department, Insurance Risk Management,
Loss Control and Safety Engineering
tutorials and integrated help screens are
provided to help users become proficient
quickly, which will save valuable time and
money. Most importantly, the
software is reasonably priced and sold as
trial-ware so there is no risk. The
application is fully functional for 15
days/starts. Please visit our
download page and experience 185Graph
Become Proficient Quickly!
Save time and money with
our free tutorials and integrated
Visualize and Present with the 1.85
Graph Output! Visually
sprinkler demand vs. water supply
quickly. Draw lines, enter text
and include a title block in your
Fast "What-If" Analysis!
Change sprinkler heads,
pipe diameter, density, area,
skew, pump size, etc.
Immediately see the effect of
lowering storage or reinforcing
the sprinkler piping and/or water
supply. With use, you will develop
an instinctive sense of "what is
adequate" and "what improvement
Expose System Weakness! Quickly
determine a sprinkler system's weakness
pressure loss data and develop the most
appropriate recommendations for improvement.
Compact Single Form
Modular Design! Integrated
Grid, Tree, Head by Head, Supply,
Friction Loss, Pump and Gradient
forms show data input and calculated
results ergonomically on the same
Upgraded Help System to work with
Windows 7! No more special
Microsoft download required.
Improved Windows 7 Support! . Improved
installation & functionality
under this latest Windows
International Support! The
application now supports both English and
International units and common pipe
schedules. Default units can now be
permanently set. Grid and Tree
Calculators now support shape factor of 2.0.
File Saving! File
saving is provided for the main Graph, Grid,
Tree and Head by Head Worksheet.
Unit Conversion! The
program can seamlessly read, open and convert
all saved data files without respect to the
units that the files were saved
in. Great if you have an
Professional Labeling Feature!
Professional point/line labeling functionality
has been added to spruce up any presentation.
Customizable Logo! Add
your company logo to the main Graph
form. The logo will print on all
improves the ability for the user to
customize the graph. Undo will erase
up to 100 recent changes one at a
time. Redo adds back all erased
The multi-demand form automatically
plots and label up to 10 demand
curves. File saving is supported.
Rating! New pump rating
& graphing capabilities
have been included in the
WILL YOUR AUTOMATIC
SPRINKLERS CONTROL A FIRE?
The first automatic
fire sprinklers were commercially marketed in
in 1874. There have been minor advances in the
basic technology since that time.
However, the governing codes and standards
have become increasingly
complex as a result of evolving occupancies,
fires, new research and ever increasing public
automatic sprinkler systems control fire,
reduce property damage, business interruption
and save lives. However, this requires routine
inspection, maintenance and testing as well as
continual reassessment to assure success.
Concerns relating to the major components are
discussed below. Consult NFPA 25 “Inspection,
Testing and Maintenance of Water- Based Fire
Protection Systems” or other appropriate
codes/standards for detailed requirements.
discharge water through an orifice when the
heat from a fire fuses a thermal element. Once
fused, the water impacts a deflector and is
dispersed in circular pattern. Automatic
sprinkler systems are designed to operate many
heads simultaneously. In order to control or
suppress a fire the heads must operate without
Look for damaged
deflectors, painted thermal elements, leakage,
corrosion, physical obstruction, or older
(obsolete) sprinklers. Test or replace heads
if their reliability is questionable.
valves are provided for the purpose of
shutting off water to the sprinkler system in
the event of accidental leak or for system
maintenance. Valves that are inadvertently
left closed can impair a sprinkler system.
Inoperable valves can result in significant
water damage if they cannot be quickly closed.
sprinkler control valves to insure that they
are in the open position. Functionally test
them to ensure that they will operate.
Consider locking or sealing valves in the open
position to deter against unauthorized
tampering, particularly if they are accessible
to the general public. Develop an impairment
management program to ensure that any valve
closures are monitored, that the number of
impaired systems is minimized, that protection
is restored promptly and that proper
precautions are taken to prevent against fire
when systems are impaired.
Dry pipe, Preaction
and deluge valves are designed to introduce
water into the piping network after being
tripped. Dry pipe valves are designed to
operate when an automatic sprinkler head fuses
and the system’s air pressure drops. Deluge
valves are used with open heads and operate
when signaled by a detection system. Preaction
valves, and related designs, employ both
methods of activation.
Periodically test all
detection systems as well as devices such as
accelerators and exhausters that effect riser
control valve actuation. Routinely trip test
and maintain all dry pipe, deluge, and
Preaction valves to ensure their proper
results in an impaired sprinkler system.
Obstructions occur in cast-iron pipe as a
result of tuburculation. Dry systems have the
worst track record with corrosion, and
galvanized piping is commonly installed to
compensate. Obstruction can occur when foreign
materials, or living organisms, are introduced
via the water supply (e.g. rocks, sediment,
clams, microbiological induced corrosion
(MIC), etc.). Sudden failure can result in
deteriorated pipe when systems are exposed to
high flow and pressure during fire conditions.
Galvanized pipe corrodes quickly at elevated
Flow 2 in. drains and
inspectors test connections to ensure that
system piping remains unobstructed. Dry pipe
systems that use cast-iron pipe should have
flushing investigations performed routinely.
Periodically inspect freezer systems for ice
plugs. Treat and inspect systems that are
prone to obstruction/deterioration from MIC,
Asian clams or zebra mussels.
investigate any obstructions promptly and
determine the cause. This will likely require
dis-assembly and/or flushing of all piping.
Flush the system by flowing water through the
largest pipes first so as to not introduce
large amounts of obstructing material into the
smaller pipes. Adequate velocity is essential.
In winter it is
critical to maintain adequate building heat to
prevent freezing. Check dry systems for proper
piping pitch and drain drum drips routinely.
Inspect dry pipe valve riser houses to ensure
For older and suspect
systems that have leaked or failed, conduct a
hydrostatic pressure test to determine
suitability for continued use. If testing
cannot be performed, replace the system.
The water supply
consists of a source and a means of delivering
adequate flow and pressure to the automatic
sprinkler system. Sources include tanks,
wells, lakes, ponds or rivers. Flow and
pressure is supplied by gravity, pumps and in
some cases pressure tanks. Large public water
systems utilize a redundant combination of
gravity and pumping and are generally
reliable. However, uncontrollable changes may
impact system adequacy. Sources, pumps,
underground piping and valves are subject to
impairments that could render an automatic
sprinkler system ineffective.
Perform flow testing
in the vicinity of the automatic sprinkler
system to assure that the design remains
adequate. Inspect and maintain control valves
as outlined above. Flow test isolated
underground main legs to ensure that there are
no obstructions. Test start fire pumps
frequently to ensure that they will start
automatically. Flow test fire pumps to assure
their continued performance. In winter,
routinely check heating systems in tanks and
fire pump rooms to prevent against freezing.
Treat raw water sources for clams, mussels and
excess vegetation, and routinely clean suction
Reevaluate Sprinkler System
Continually reevaluate sprinkler
system adequacy to ensure the systems remain
capable of protecting property, reducing
business interruption and saving lives.
Reevaluate changes in occupancy, combustible
load, storage configuration, products and
processes. Apply the most modern codes and
standards, and reassess the water supply for
comparison to each sprinkler system’s
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