HomeMy WebLinkAboutPROPANE TANK PAPERWORKi 20 - 2.000 wg
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8" dome in black plastic or white
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• Super tlurilile TGIC polyeslcr 101169a1
• Suite[ lorCorr osionand edge :pioteelton
• Patent peitrrinlrij forrnulaterl primer and lopcoat
• Dual service options for aoove or underground applications
• Option 91: Ready -to -bury red oxide durable powder coating ¢nth black
• polyethylene AGUG dome'
• Option'2: Aboveground option vlith steel B" AGUG dome
• All valves and float gauges are centered under dome
• Fabricated to the latest A.S.M.E. Code, Section Vlll, Division I
• Registered t:dth the National Board
• 972 liquid level outage valve orifice reduces refueling emissions
• vacuum pre. -purged to savetime, money and product
-.Applicable federal, stale, orlocal regulations may contain specific requirements for
protective coatings and ca(bodre protection. The purchaser and installer are responsible
for compliance vnth all federal, state, local and NFPA industry regulations. Cathodic
protection is requited and coating must be continuous ano uninterrupted and must
comply tenth an local, slate or national code.
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Call Toll Free: 888-558-8265
CONT�AINERSi
General Specifications
Conforms to the latest edition of the ASME code for WITHDRAWAL
Pressure Ves€ ,, Section Vill, Division 1. Complies with oncE �,
NFPA 58. FLOAT �" ANODE
® X CONNECTION
Rated of 250 psig from -20° F. to 125' F All tanks may be s ® ® FILLER
evacuated to a full (14.7 psi) vacuum. VALVE
I A
Vessel Finish: Coated with epoxy red powder. ( Tanks coated ` T v
with the epoxy powder must be buried). ForAboveground use, C,
tanks may be coated with TGIC powder. MULTNALVE
� �. PLATE
Applicable federal, state or local regulations may contain RELIEF
specific requirements for protective coatings and cathodic VALVE .
protection. The purchaser and installer are responsible for
compliance with all federal, state or local regulations. FJTTINGS LAYOUT UNDER DOME
Rev: Jan. 27, 2616
Why Tanks Corrode
Underground steel tanks corrode due to an electrochemical reaction
between the tank and the surrounding soil. The process of corrosion
occurs due to small voltage differences on the steel surface that result
in the flow of DC current from one location to another. Where current
flows from the tank Into the soil corrosion occurs. This location is called
the anode in a corrosion circuit. Where current flows from the soiltothe
tank, no corrosion occurs. The progress of corrosion is determined by
the amount of current flowing between the anode and the cathode and
whether the locations of the anode/ cathode remain constant overtime.
Corrosion rates are generally higher in wet soil environments since the
conductivity of the soil promotes the flow of DC current in the corrosion
circuit.
Corrosion generally exhibits itself on underground tanks in either a
general overall rusting or more commonly, a pitting attack. Pit locations
may result from metallurgical conditions of the steel surface or soil
variations such as rocks, salts, fertilizer, moisture concentration, oxygen
concentration, etc.
-. T—.. Preventing Corrosion
�` _'"�„ •,,7 ', _, Prot ectng underground
tanks from corrosion is
easilyachievedbytheuse
of two commonlyapplied
protection , methods:
external coating and
cathodic protection.
These two methods
are complementary
and should be used in
- conjunction with the
other. An effective
external protective
coating insulates the steel from the soil environment, thus preventing
the flow of corrosion current from the anode tothe cathode. Aneffective
external coating can protect over99% of the tank surface area. However;
no coating is perfect. Damage from construction or soil stresses create
tiny defects, which may result in accelerated corrosion at the defect.
Cathodic protection prevents corrosion at those defects by applying
DC current from an external source, forcing the tank to become
cathode. Application of sufficient DC currentto the tankwill prevent any
corrosion from occurring. The two general types of cathodic protection
systems are sacrificial and impressed current. Sacrificial systems are
used when the amount of current required for the protection is small,
such as in underground propane tanks. Impressed current systems
are more commonly used for large structures such as large diameter
pipelines. Electrical isolation of the tank from metallic piping systems
and electrical grounds is critical for the cathodic protection system's
effectiveness.
How Sacrificial Cathodic Protection Works
Sacrificial systems work by creating a galvanic connection between two
different metals. The most common anode material is magnesium,
which when coupled to steel results in DC current flow from the
magnesium to the steel. The open circuit potential of steel Is about
-0.50 volts referenced to a copper sulfate electrode. The open circuit
potential of magnesium is about -1.55V to-1.80V. By connecting the
two metals together, the difference of 1 to 1.25Vvolts results in current
flow to the tank that overcomes the natural corrosion cells that exist on
the tank With this current available to the tank, no corrosion occurs.
Magnesium Anodes
There are a variety of anode sizes and alloys used for cathodic
protection. The two primary alloys are designed as H-1 (or AZ63) and
High Potential. The H-1 alloy is produced from recycled magnesium
and has an open circuit potential of approximately-1.55V. This alloy
is well suited for protection of underground propane tanks. The High
Potential alloy is 99% pure magnesium having an open circuit potential
up to -1.8V. This alloy should be used for soil applications over 10,000
ohm -cm resistivity.
The two most common anode sizes used for underground propane
tanks are 9lb. and 171b. The size designation relates to the metal weight.
10' of #12 TW insulated wire is attached to the anodes. Anodes are
then backfilled in a mixture of gypsum, bentonite, and sodium sulfate
to lower the electrical resistance of the anode to soil. The mixture is a
low cost, nonhazardous, electrically conductive backfill. The anode and
backfill is then packaged in a cotton bag and either a cardboard box or
paper bag. Actual shipping weight of these anodes with backfill is 27
lb. and 45 lb.
Application Recommendations
Magnesium anodes can protect underground tanks in most soil
conditions. The H-1 alloy is generallyveryeffective. The following chart
provides size and quantity recommendations forvarious size tanks based
on conservative design assumptions. This chart covers soil conditions
up to 10,000 ohm -centimeter resistivity. Resistivides higher than
10,000 ohm -centimeter generally represent very dry soils. Verification
of soil resistivity can be performed through soil analysis. Contact us
for design recommendations in locations where soil resisti011es exceed
10,000 ohm -cm, or if there is no effective external coating on the tank
The propane service line from the tank to the house also must be
considered in the cathodic protection design, unless the service line
is plastic. All underground steel pipe should be externally coated with
a corrosion resistant material. The service line should be electrically
isolated at the house with an insulating fitting or union. If service pipe
is less than 50' fn length, the tank anodes will provide sufficient current
to protect both tank and pipe. For longer lengths of pipe, an additional
anode may be required at the house connections.
If another metallic material such as copper is used for service piping,
the pipe should be electrically isolated from the tank at the fill pipe
connection. Copper and steel create a galvanic couple that will accelerate
corrosion of the steel tank when directly connected to copper piping.
Generally, copper piping does not require cathodic protection.
Soil Type
Tank Cap.
(gal.)
120
150
250
i5
500
1000
15oo
2090
Sono, uravel, Rocky
Areas
5090 to 10000 ohm -cm
City. I Alloy
1 H-1
1 H-1
2 H-1
2 H-1
2 H-1
Mechantao. '.:onnection Under Dome
I H-1 Cathodic Protection Testing Procedure
4 H-1
6
*Based on 90% effective external coating, 2 =T12 current density, and 30-
yearAnode iffe.
Anode Installation
1. Determine size and quantity of anodes from application chart.
2. When a single anode is installed, it should be located near the
tank center an either side of tank.
3. When multiple anodes are installed, space them evenly around
the tank. See examples below,
1 anode 2 anodes 4.anodes
4.Anodes are shipped in' either cardboard boxes o� multi -wall
papersacks. Remove outer container and bury the cloth bagged
anode. If anode is supplied in plastic bag, remove plastic bag
before installing.
5.Install anodes approximately two to three feet from the tank and
at least as deep as the center line of the tank Anodes work best
in locations with permanent moisture, so generally the deeper
the better.
6.After placing the anode, stretch out the anode connection wire
and extend over to a connection point on the tank fill pipe.
7.Cover the anode with approximately six inches of backfill and
pour 5 gallons of water on the anode to saturate the prepared
backffll. Water is necessary to activate the anode.
B.Connect the anode wire to the tank with a low electrical
resistance connection. Examples are threaded stud on the
tank fill pipe or any accessible metallic connection point to the
tank All connections should be coated with a moisture -proof
material.
9.Ideally, the tank connection is made in the area of the tank fill
pipe within the covered dome. With access to the anode wire,
subsequent testing of the tank can include measurement of
anode output and verification of performance.
10.Verify performance of the anode using an appropriate test
procedure.
Equipment Needed: Digital Voltmeter, Red Test Lead Min. 12' Long
& Black Lead Min. 2' Long, Reference Electrode (Copper/Copper
Sulphate Half -Cell)
STEP 1: Using a digital voltmeter insert the red test lead into the Volt
jack of the meter and select the 2 or 20 volt DC scale. Clip red test
lead connector to an uncoated metallic area of the tank, preferably
to the fill pipe multivalve. A good solid connection is very important.
(DO NOT connectto shroud).
STEP 2: Insertthe blacktast lead into the Common jack on the meter,
and connect the opposite end of the lead to a charged reference
electrode (36 cell).
STEP 3: Remove protective cap from the porous plug at bottom end
of electrode. Place porous plug end into native soil (remove grass if
necessary) atfour locations around the tank (one on each side of the
tank, and one at each and of the tank). If difficulty is encountered
obtaining readings, moisten soil with water or dig 1M cell deeper into
the soil.
STEP 4: Record all four meter readings on an appropriate form. The
least of all four readings should he a minimum of-0.650v or more
negative. (Note: If any of the four readings are below (less negative)
-0.850v then the tank is not fully protected}.
Charging Reference Electrode
STEP 1: Unscrew and remove porous plug end of new reference
electrode. Add deionized or distilled water to the copper sulfate
crystals, filling electrode completely. The solution will turn blue In
color and there should always he excess crystals at the bottom of
the tube. DO NOT USE TAP WATER.
STEP 2: Replace porous plug end of electrode and place in an upright
position so that the porous plug end is facing in the down position
and let stand for 1 hour before use. This will allow the porous plug
to became completely saturated before use.
Caution: Do not allow electrode to contact oil, road salts, or other
substances that may contaminate the solution by absorption
through porous plug. Do not allow electrode to freeze.
Distributed By.
11Q011-5000
Loss of Pressure
Freeze-up inside the regulator.
This will prevent the regulator from regulating properly.
Regulator freeze -ups occur because there is excessive moisture
in the gas. Freeze -ups can also occur In pigtails that are kinked or
bent where free flow of the LP -Gas is restricted. These freeze -ups
can occur when the moisture, gas flow and temperature combine to
create a hazardous condition. Freeze -ups can occur at temperatures
above V F.
Action Required: All LP -Gas should be checked for moisture content
prior to delivery to consumers and proper amounts of anhydrous
methanol added if the gas cannot be returned to the supplier. Any
container suspected of having excessive moisture should be treated
with the proper amount of methanol.
Customer Safety
Since regulators are often used by consumers without previous
knowledge of the hazards of LP -Gas, and the LP -Gas dealers are the
only ones who have direct contact with the consumers,
It Is the dealer's responsibility to make sure that his
customers are properly instrircted in safety matters relating
to their installation.
At the very minimum, it is desirable that these customers:
1. Know the odor of LP -Gas and what to do in case they smell
gas. Use the NPGA "Scratch'n Sniff' leaflet
2. Are Instructed to never tamper with the system.
3. Know that when protective hoods are used to enclose
regulators and/or valves, that these hoods must be closed,
but not locked.
4. Keep snow drifts from covering regulators.
S. Know the location of the cylinder or tank shutoff valve In
emergencies.
Underground Installations
Special hazards can occur if regulators are not properly Installed in
underground systems. Water, dirt, mud and insects can get into the
regulator if the bonnet cap is not tightly in place and the vent is not
protected with a proper vent tube, opening above any potential water
level.
Most problems occur because the waterproof dome on the buried
storage tank does not extend above the ground level sufficiently to
keep -out water and mud.
Refer to NPGA No. 401.
R egulator a djustment closure
ap must be tight
Nand F
above
orventhe
highest
prube
obable
located above the highest
lome aFerlevel.
leving
td�n9 2ta61nrhes
minimum.
6 Inches minanum /
(181ncharninlmumif
subject to vehicular traffic).
Note: Water mark left In housing dome at level
above regulator vent, or end of vent tube requires
replacement of regulator. Then correct installation.
General Waming
All RegO Products are mechanical devices thatwill eventually
become inoperative due to wear, contaminants, corrosion
and aging of components made of materials such as metal
and rubber. As a general recommendation,Regulators should
be replaced In accordance with all of the recommendations
outlined in this safety waming. The recommended service
life of a regulator is one of many factors.that must be
considered in determining when to replace a regulator.
The environment and conditions of use will determine the safe
service Irfe of these products. Periodic Inspection and maintenance
are essential.
Because RegO Products have a long and proven record of quality
and service, LP -Gas dealers may forget the hazards that can occur
because a regulator Is bsed Beyond its safe service life. Life of a
regulator is determined by the environment in which it "lives." The
LP -Gas dealer knows better than anyone what this environment is.
NOTE: There is a developing trend In state legislation and
in proposed national legislation to make the owners of products
responsible for replacing products before they reach the end of their
safe useful life. LP -Gas dealers should be aware of legislation which
could affect them.
I
6 MEGA 100 Rego Gr. Elon. NG 27244 u&A v ..regopmducls.com t1 (336) 44&7707
First Stage Regulator
with Relief Valve and
SSecond
econd
Pressure Tap
gulaf
I
with Lai
,+t t
Pressur
i'
I
N. First Stage Piping_
r
Ire regulator is truly the heart of an LP -Gas installation. It must
pensate for variations In tank pressure from as low as 8 PSIG
20 PSIG - and sfill deliver a steady flow of LP -Gas at 11"w.c.
consuming appliances. The regulator must deliver this pressure
_Gpe a variable load from intermittent use of the appliances,
—ouah a single -stage system may perform adequately in many
.rsta'?ations, the use of a two -stage system offers the ultimate in pin -
regulation. Two -stage regulation can result in a more profitable
LP -Gas operation for the dealer resulting from less maintenance and
installation callbacks - and there is no better time than now for
.-s,alfing RegO Regulators in two -stage systems.
Uniform Appliance Pressure
re installation of a two -stage system - one high pressure regulator
_': the container to compensate for varied inlet pressures, and one
mr pressure regulator at the building to supply a constant delivery
ensure to the appliances - helps ensure maximum efficiency
a-d trouble -free operation year-round. It is important to note that
`!le pressure at the appliances can vary up to 4" w.c. using single-
s=ce systems, two -stage systems keep pressure variations within
1' w.c. New high -efficiency appliances require this closer pressure
control for proper Ignition and stable, efficient operation. In fact, one
rrajor manufacturer requires the use of two -stage systems with their
appliances.
Reduced Freeze-ups/Service Calls
Regulator freeze-up occurs when moisture in the gas condenses and
fr ezes on cold surfaces of the regulator nozzle. The nozzle becomes
chilled when high pressure gas expands across it into the regulator
body. This chilling action is more severe in single -stage systems as
gas expands from tank pressure to 11° w.c. through a single regulator
nozzle.
Size The System Correctly
Prior to installing your two -stage system, be sure the system pipe
and tubing is properly sized. Proper sizing will help ensure constant
delivery pressure to the appliances during fluctuating loads at all
times. Just as Important, be sure the RegO Regulators you choose
are capable of handling the desired load. This Is another advantage
of two -stage systems - they are capable of handling much
more STU'slhr. than single -stage systems. The RegO "LP -Gas
Serviceman's Manual" provides complete information on pipe sizing
and proper regulator selection.
Two -stage systems can greatly reduce the possibility of freeze -ups
and resulting service calls as the expansion of gas from tank pressure
to 11" w.c. is divided into two steps, with less chilling effect at each
regulator. In addition, after the gas exits the first -stage regulator and
enters the first -stage transmission line, it picks up heat from the line,
further reducing the possibility of second -stage freeze-up.
Service calls for pilot outages and electronic Ignition system failures
are also reduced as a result of more uniform appliance pressure from
two -stage systems.
Economy of Installation
In a single -stage system, transmission line piping between the
container and the appliances must be large enough to accommodate
the required volume of gas at 11" w.c. In contrast, the line between
the first and second stage regulators in two -stage systems can be
much smaller as it delivers gas at 10 PSIG to the second -stage
regulator. Often the savings in piping cost will pay for the second
regulator.
As an additional benefit, single -stage systems can be easily
converted to two -stage systems using exisflng supply lines when they
prove inadequate to meet added loads. This Is the least expensive
and best method of correcting the problem.
Allowance for Future Appliances -
A high degree of flexibility is offered in new installations of two -
stage systems. Appliances can be added later to the present load -
provided the high pressure regulator can handle the Increase - by the
addition of a second low pressure regulator. Since appliances can be
regulated independently, demands from other parts of the installation
will not affect their individual performances.
Replace Pigtails
If you are replacing an old regulator, remember to replace the
copper pigtail. The old pigtail may contain corrosion which can
restrict flow. In addition, corrosion may flake off and wedge
between the regulator orifice and seat disc - preventing proper
lock -up.
-—I,, n, u,.., ur. oviee ucn ww.."nnnmAuds mm s1 (3361449-7707 RMUM0.
7
�'ultrir�FirstSh°c'c��c1l�'�or� t«it'e�uiFt uiI'��Ircfl'al�"s
First Stage Regulator
With Relief Valve and
Pressure Tap
First Stage Piping
With no first stage relief valve,
propane liquid may form here...
Second Stage
Regulator
with Large Vent
and Pressure Tap
Resulting In sudden pressure surge due to Flashing into vapor here!
First stage relief can prevent liquid from forming in first stage piping
during periods with no gas demandl I I
Pressure at which liquid can form
at various temperatures.
Vapor Pressures of LP -Gases
0
to
IL
N
Temperature °F.
The Problem
Many modem LP -Gas appliances are equipped with pilotless ignition
systems. Water heaters and older appliances use pilot lights, but It
has become a common practice for energy conscious homeowners to
shut-off the pilot when leaving home for extended periods of time. In
each instance, there Is no gas demand at all for extended periods.
The Consequences
If the first stage regulator fails to lock -up tight, usually as a result
of a wom seat disc or foreign material lodged between nozzle and
seat disc, pressure will bulid-up In the first stage piping — possibly
to a level that approaches tank pressure. Combining this with wane
ambient temperatures and cool ground, propane liquid may form in
the first stage piping.
When gas demand resumes, this liquid may pass through the second
stage regulator into the appliances and furnace. NOTE— the second
70' F. 120 PSIG
90° F. 140 PSIG
90' F. 165 PSIG
r To AppliancesrFumace
Ground PressureatwfilLi[.
Temperature tlqurd Mir form
stage regulator will not relieve the pressure in first stage piping.
The rapid vaporization of the liquid may cause a rapid pressure surge
that could seriously damage critical components of the appliance and
furnace controls.
A fire or explosion could occur as a consequence.
The Solution
Rego LV4403 Series First Stage Regulators with Built -In Relief
Valves reduce the possibility of this serious hazard in two stage
applications. The built-in relief valve Is designed to vent as needed
and reduce the possibility of first stage piping pressure from
becoming high enough to form liquid.
n ME89". 100 RegO O[ non, NC 27244 USA w ..regopmdudsxom +1 (33a) 449-7707
stage regulator will not relieve the pressure in first stage piping.
The rapid vaporization of the liquid may cause a rapid pressure surge
that could seriously damage critical components of the appliance and
furnace controls.
A fire or explosion could occur as a consequence.
The Solution
Rego LV4403 Series First Stage Regulators with Built -In Relief
Valves reduce the possibility of this serious hazard in two stage
applications. The built-in relief valve Is designed to vent as needed
and reduce the possibility of first stage piping pressure from
becoming high enough to form liquid.
n ME89". 100 RegO O[ non, NC 27244 USA w ..regopmdudsxom +1 (33a) 449-7707
f
17
Ideal for use as a first stage regulator on any domestic size ASME or 'Ak
DOT container in propane gas installations requiring up to 1,500,000 OL
BTU's per hour. The regulator Is factory set to reduce container
pressure to an intermediate pressure of approximately 10 PSIG.
' Maxmum flow basedon Inlet pressure20 PSIG higherthan theregulatorsetting and derwery pmsum20%lower than
the regublorse6ing and deRvery pressure 20%lower than the setting.
Provides accurate first stage regulation In two -stage bulk tank ear6.
systems. Reduce tank pressure to an intermediate pressure of 5 to 10 UL
PSIG. Also used to supply high pressure burners for applications like
Industrial furnaces or boilers. Also Incorporated In multiple cylinder
installations.
' When used for final stage pressure control, must edher incorporate Integral relief valve or separate relief valve should be spedfled in s=rdanre
with NFPA Pamphlet 50.
Maximum now based on Inlet p25edre20 PSIG higher than the regulator selling and derivery pressure 20% lower than the setting.
Designed to reduce first stage pressure of 5 to 20 PSIG down to oshe
burner pressure, normally 11' w.c. Ideal for medium commercial
Installations, multiple cylinder Installations and normal domestic
loads.
LV440334
LV4403646 '/:" F NPT 11' W.G. at
LV4403B46R' #26 10 PSIG 9"to 13" Over Inlet 935.000
LV4403966
%° F.
Drill Inlet W.C.
LV4403866R° 'W F. NPT
•BaeMnountdasign
Max mum now based an 10 PBIG Inlet and Two. deriverypresum
LVM03TH
L9 =Sedes
W440316Serles
ES-D-GAC—Generator Generac
Job Name _
Job Location
Engineer
Approval
aft
m.,s. csCt _ten
t n
e.�
Flexible Gwas Appliance
T
C e� ..L.. t_. ``od~m'
The flexible connection between the gas supply and the gas inlet
of a Generaco Stationary Outdoor Baclaip/Standby Generator.
Features
• Operating Temperature -40°F to 150°F (-40°C to e5.6-q
e Operating Pressure MAX 0.5psi (3.45 kPa)
• Hydrostatic Burst Pressure MIN 250psi (1725 kPa)
• FleAble Tube Material Annealed 304 Stainless Steel
• Flare Nut Material Carbon Steel with Zinc Trivalent
Chromate Plating
• Flare Adapter Material Carbon Steel with Zinc Trivalent
Chromate Plating
CSA Group Certificate of Compliance to
Product Standards
ANSI Z21.75/CSA 6.27 — Connectors for Outdoor Gas Appliances
and Manufactured Homes
Scope states "...Intended for exterior use above ground for making
non-dgid connections... between the gas supply and the gas inlet
of an appliance for outdoor installation that Is not frequently moved
after Installation.' In addition section I ZA states the connector Is
designed for occasional movement after installation. Repeated bend-
ing, flexing or extreme vibration must be avoided. Normal opera-
tion of a clothes dryer, rooftop HVAC unit or SIMILAR OUTDOOR
APPLIANCE DOES NOT constitute extreme vibration or movement.
ANSI Z21.24/08A 6.10 — Connectors for Gas Appliances
(Excluding 60/61 Series)
SP•
c us
Product Configurations
All Installations must completely comply with all Dormont manufacDuing company warnings
and Instructions, national, state and local codes and all applicable ansl standards.
Contractor
Approval _
Contractor's P.O. No.
Representative
SKJ
(�
For use with Generac
stationary outdoor backup/
standby generators.
B
t
Series 30, 40 and 60
Applicable Codes
ANSI Z223.1/NFPA 64 National Fuel Gas Code Section 9.6
International Fuel Gas Code (IFGC) Section 411.1
E3149.1 — Natural Gas and Propane Installation Code
(GSA Gmup) Section 6,21
Uniform Mechanical Code (UMC) Section 1313.0
Uniform Plumbing Code (UPC) Section 1212.0
Additional Approvals
Commonwealth of Massachusetts Board of State Examiners
of Plumbers and Gas Fitters
Additional Testing
UL2200-2015: Stationary Engine Generator Assemblies
Section 66B Vibration Test.
Dormontprodo'spedffloadaoas to U8 wslmnafyunflo and mcYcem appmdmate ondare pmmed farrefewwo* Forpmdse meawrc-
merds, please cur tad D==Techn!daerviw. Domimrtlescsaea the dghtto flange or moddyproduddesign, cwutlom un, spedflcams,
or mafedals Wft1 tpdofMUMand whhou6nwmng anyobDjaUsn tomaim=h changes and moddicaaons w Domiontpmduds pmv=
orsuhsequendysD1d. Refertaihe awners eMalforxwrantymfumadem
A WAM Brand
Maximum Capacity of PE Pipe in Thousands of BTU per Hour of U
with a Gas Pressure of 11.0In. WC and a Pressure Drop
rbased on a 1.52 specific grav5y gas)
113
102
86 76 68 63 58 54 51 48
46
44
42
40
147
132
112 99 89 87 75 70 66 63
60
57
54
52
209
188
160 140 126 116 107 100 94 89
85
. 81
78
75
376
338
287 252 227 208 192 180 169 160
152
146
140
134
569
516
441 391 354 326 303 285 269 255
244
233
224
216
1061
956
810 712 642 587 544' '508" 478 ' 453
431
411
394
379
2576BTUh=ICFH
Maximum Capacity of PE Pipe In Thousands of BTU per Hour of Liquefied Petroleum Gas
with a Gas Pressure of 2.0 psi and a Pressure Drop of 1.0 psi
(based on a 1.52 specific gravity gas)
236
207
187 158
139 125 115 106 99
93
88
84
80
77
74
13M
1192
1073 910
800 720 659 611 571
537
608
484
462
443
425
7757
1545
7397 1779
1037 934 855 792 740
696
659
627
599
574
557
2503
2202
7983 1680
1478 1331 1218 1128 1054
992
930
893
• 853
818
786
WON 4498
3956
35M 3019
.2656 2397 2189 ' 2027 1894
1783
1688
1605
7533
1469.
1412
5903
5232
4740 4057
3596 3258 2997 2788 2616
2471
2347
2239
2144
2060
7985
12705
11175
10063 8529
7502 6756 6182 5725 5350
5036
4767
4535
4331
4150
3988
2576BTUh=ICFH
Maximum Capacity of PE Pipe in Thousands of BTU per Hour of Liquefied Petroleum Gas
with a Gas Pressure of 10.0 psi and a Pressure Drop of
1.0 psi
(based on a 1.52 specific gravely gas)
Ph: 1.800.6620208 a Far.: 615.325.9407 a Web: www.gasfife.com