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General Specifications
Conforms to the latest edition of the ASME code for
Pressure Vessels, Section Vill, Division 1. Complies with
NFPA 58.
Rated at 250 psig from -20" F. to 125" F. All tanks may be
evacuated to a full (14.7 psi) vacuum.
Vessel Finish: Coated with epoxy red powder. ( Tanks coated
with the epoxy powder must be buried). For Aboveground use,
tanks may be coated with TGIC powder.
Applicable federal, state or local regulations may contain
specific requirements for protective coatings and cathodic
protection. The purchaser and installer are responsible for
compliance with all federal, state or local regulations.
---� WITHDRAWAL
VALVE
FLOAT LOTICE
GAS\ ANODE
GAUGE ) ® X CONNECTION
FILLER
O O I VALVE
SERVICE! NAME
MULTIVALVE PLATE
RELIEF
VALVE
FITTINGS LAYOUT UNDER DOME
AGUG VESSEL DIMENSIONAL INFORMATION
All vessels dimensions are approximate
WATER
OUTSIDE
HEAD
OVERALL
OVERALL
LEG
LEG
WEIGHT
QUANTITY
FULL
PER
CAPACITY -
DIAMETER
TYPE
LENGTH
HEIGHT
WIDTH
SPACING
LOAD
STACK
120 wg.
24"
Ellip
5'- 5 13/16"
3' - 0"
10 1/8"
3' - 0"
245 lbs.
96
12
454.2 L
609.6 mm
1671.3mm
911.4 mm
257.2 mm
914.4 mm
111.1 kg.
250 wg.
31.5"
Hemi
7' - 2 1/2"
3' - 7 1/2"
12 3/4"
3' - 6"
472 lbs.
63
9
946.3 L
800.1 mm
2197.1 mm
1104.9 mm
323.9 mm
1066.8 mm
214.1 kg.
320 wg.
31.5"
Hemi
8' -11 314,,
3' - 7 1/2"
12 3/4"
4' - 0 1/4"
588 lbs.
45
9
1211.2 L
800.1 mm
2736.9 mm
1104.9 mm
323.9 mm
1225.6 mm
266.7 kg.
500 wg.
37.42"
Hemi
V -10"
4' -1 7/16"
15"
5' - 0"
871 lbs.
30
6
1892.5 L
950.5 mm
2997.2 mm
1255.7 mm
381.0 mm
1524.0 mm
395.1 kg
1000 wg.
40.96"
Hemi
15'- 10 13/16"
4' - 4 5116"
16 1/4"
9' - 0"
1729 lbs.
15
5
3785.0 L
1040A mm
4846.6 mm
1344.6 mm 1
412.8 mm
2743.2 mm
784.3 kg
Rev., Jan. 27, 2016
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 currentflows from the soil to the
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 over time.
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 suraface or soil
variations such as rocks, salts, fertilizer, moisture concentration, oxygen
concentration, etc.
Preventing Gorrosion
Protecting underground
tanks from corrosion is
easilyachieved bythe use
of two commonly applied
protection methods:
v 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
theflowofcorrosion currentfromtheanodetothe cathode. An effective
external coating Gan protect over 99% of the tanksurface 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 current to the tank will 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 1.25V volts 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 relatesto 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 alloyis generally very effective. The following chart
providessize and quantity recommendations forvarious size tanks based
on conservative design assumptions. This chart covers soil conditions
up to 10,000 ohm -centimeter resistivity. Resistivities 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 resistivities 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' in 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. Copperand steel create a galvanic couple thatwill accelerate
corrosion of the steel tank when directly connected to copper piping.
Generally, copper piping does not require cathodic protection.
Soil Type
'r'Feilile,SoilL ay,.
Sandy.Loami,_,_,
Send, Gravei,Rocky
Areas
Tank Cap.
' S:fo 5io00 ofi`m
cm
5000 to 10000 ohm -cm
(gal•j
;ES " �Q��i
i?;?Iloy
Size
Qty.
Alloy
120
9#
1
H-1
150
1 "
E.01JA
9#
1 1
1 H-1
250
T9'rC
27
H=11 '
9#
2
H-1
325
t. 9 Z'
Sf
.H_1�
9#
2
H-1
1000
rlffig
�_f
'H`g1"
9#
4tH-11500
41 d
d a
Fl l
9#
42000
j17#
. 31"
fHsll
9#
6
'Based on 90% effective external coating, 2 ma&2 current density, and 30-
year Anode life.
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 on 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
O O O
4.Anodes are shipped in either cardboard boxes or 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 feetfrom 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 overto 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
backfill. Water is necessary to activate the anode.
8.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.Vedfy performance of the anode using an appropriate test
procedure.
Mechanical Connection Under Dome
Cathodic Protection Testing 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 insertthe 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 goad solid connection is very important.
(DO NOT connect to shroud).
STEP 2: Insert the black test lead into the Common jack on the meter,
and connect the opposite end of the lead to a charged reference
electrode (Ys 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) at four locations around the tank (one on each side of the
tank, and one at each end of the tank). If difficulty is encountered
obtaining readings, moisten soil with water or dig Yz cell deeper into
the soil.
STEP 4: Record ail four meter readings on an appropriate form. The
least of all four readings should be a minimum of-0.850v 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 be excess crystals at the bottom of
the tube. DO NOT USE TAP WATER.
STEP 2: Replace porous plug and 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 become 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:
Ideal for use as a first stage regulator on any domestic size ASME or
DOT container in propane gas Installations requiring up to 1,500,000 DSTEB.
BTU's per hour. The regulator Is factory set to reduce container
pressure to an Intermediate pressure of approximately 10 PSIG.
k"�ei4Lt�
• Compact design can be connected to a service valve using either
a POL adapter or a RegO product pigtail.
• Large threaded% F.NPT bonnet vent can easily be piped -away
underground installations without the need of glue kits or extra
adapters.
• Non Adjustable
• Large Bow orifice resists freeze ups due to water concentration in
LPG vapor.
• Design provides for good flow regulation at both high and low
container pressures.
• Built in relief valve and travel stop comply with NFPA 58 over
pressure requirements.
• Incorporates W F.NPT downstream pressure tap for an easy
Inline check of the regulator's delivery pressure.
• Molded diaphragm provides an o-ring type seal between the
body and bonnet
• Body and bonnet are assembled in the USA using the unique,
patented RegUlok seal system.
• Fully painted in brilliant red for complete corrosion protection.
• Mounting bracket available as an accessory: part number 2302-31.
Rga,"vfte-ap8
Body............................................................................................Zinc
Bonnet.........................................................................................Zinc
Spring........................................................................................ Steel
Seat Disc.................................................................Resilient Rubber
Diaphragm...........................Integrated Fabric and Synthetic Rubber
�u'7��uS��®iTte��'• a;CC;dS�i
LV3403TR
Par077iapher•
INetConnp:G
®®®®
[ q--"'connection
r lff cd•S
Delve
PieeSuFe..
Bon6eI&&Pe9tlOn•
•'
va p or Ca as BTDRk
P,Lti nel ��
so oil
I I
Madrnum Dow based on Welpresswe 20 PSIG higherthan the regulator setOng and delivery pressure 20%lower Nan the regulatcrsetling and delivery pressure 20%lower than iha selling.
A 4 MAMM 100 Rego Dr. Elon, NC 27244 USA w xegopmduots.cam +1 (336) 649-7707
�'aa:m
Designed to reduce first stage pressure of 5 to 20 PSIG down to
burner pressure, normally 11" w.c. Ideal for medium commercial
installations, vapor meter Installations and normal domestic loads.
YeEm- lm
• 90 degree right angle inlet to outer connection for meter or
standard installations.
• Large vent helps to prevent blockage and has''YO F. NPT for vent
piping.
• With 15 PSIG inlet pressure, regulator is designed to not pass
more than 2 PSIG with the seat disc removed.
• Replaceable valve orifice and valve seat.
• Straight line valve closure reduces wear an seat disc
• Unique bonnet vent profile minimizes vent freeze over when
pmpedy installed.
• Large molded diaphragm Is extra sensitive to pressure changes.
• Built in pressure tap has plugged W F. NPT outlet. Plug can be
removed with a 3/16• hex alien wrench.
• Select Brown Finish
Can mount directly to vapor meter. It Is also suitable for mounting
directly to the house piping. It will retrofit into existing installations that
are currently using a 90 degree, right angle regulator.
r'Lr�QFSi�c �5
Body...........................................................................
Die Cast Zinc
Bonnet........................................................................
Die Cast Zinc
NozzleOrifice.........................................................................
Brass
Spring......................................................................................
Steel
ValveSeat Disc .....................................................
Resilient Rubber
Diaphragm .........................
Integrated Fabric and Synthetic Rubber
Ua
w/a4omting8cacket
1 II
I 11
w1
11
1 •11
1,1,1
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, 1
ir1
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Fart Numtier
7n1e4Connection
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'Srze y
Fa__cto Delive.-'
, .Pressure ry
AdjihT eup
Ranggp.
Bome$VenU
Position
V odCe as STlyhr:
pare
• Maximum 0aw Is based on 10 PSIG Wet and 9' w.e. delivery pressure.
•• Mouneng Bracket Included. �q
100 Rego Dc FJon, NC 27244 USA w .mgopmducb.mm +1 (336) 449-7707 9V � An
W
761
ES-D-GAC Generac InstaIISmart
Job Name _
Job Location
Engineer
Approval
Generac®
Flexible Fuel Hines
The flexible connection between the gas supply and the gas inlet
of a Generac® Stationary Outdoor Backup/Standby Generator
Features
• Operating Temperature -40•F to 150"F (-40"C to 65.6"C)
• Operating Pressure
MAX 0.5psi (3.45 kPa)
• Hydrostatic Burst Pressure
MIN 250psi (1725 kPa)
• Flexible 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
• PVC Dip Coating
Gray Heavy Duty, Antimicrobial,
UV Stabilizer ,
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 -rigid 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 1.5.4
states the connector is designed for occasional movement after
installation. Repeated bending, flexing or extreme vibration must
be avoided. Normal operation of a clothes dryer, rooftop HVAC
unit or SIMILAR OUTDOOR APPLIANCE DOES NOT constitute
extreme vibration or movement.
ANSI Z21.24/GSA 6.10 — Connectors for Gas Appliances s�,
(Excluding 60/61 Series)
c us
Product Configurations
Contractor
Approval
Contractor's P.O. No.
Representative
SKU
For use with Generac stationary outdoor backup/
standby generators.
Applicable Codes
ANSI Z223.1/NFPA 54 National Fuel Gas Code Section 9.6
International Fuel Gas Code (IFGC) Section 411.1
6149.1 — Natural Gas and Propane Installation Code (CSA
Group) 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.
Domnnt pmductspedfirations In US customary, units and metic are appmpmate and are pmvidedfurehrence arty. Fwpredse ® ��®��®
measurements, please wntact DarmontTedudcal Service. Dormont reserves the fight to change or madly pmductdesign, construction,
spedfiradons, or materials wilhoutpdv notice end wahout insuring any obngafon to male such changes and modifications on Darmant
pmduds pwicusly orsubsequentysdd. Refer m the owner's manual for warranty bdormaUDn. A WHOM Brand
N
7�
Minimum Flow Capacity at Specified Pressure Drop
Straight Length BTU/hr, NATURAL GAS, 0.64 SG, 1000 BTU/cu.fL
CONFIGURATION
PRESSURE
r' (INCHES WATER
COLUIAN)
Generae Oonnom'
Part Number Pad Number
SERIES
Nominal l0
in
Nominal Lenght
In
0.50In
0.75 in
1.00 in
1.25 in
1.5D in
1.75 in
2.00In
10000009793 CAN41-4141-24GEN
41
a/4
24
290,900
356,278
411,395
459,953
503,854
1 544,224
581,800
10000009776 CAN41-4141-48GEN
41
'/4
48
217.000
265,770
306,894
343,107
375,855
405,970
434,000
10000009717 CAN41-0141-72GEN
41
'/4
72
173,900
212,983
254,932
247.960
301,204
325,337
347,800
10DODOOD498 CAN51-5151-24GEN
51
1
24
581,800
712,657
822,789
919,907
1,007.707
1.088,44
11,163,600
10000090499 CAN51-5151-48GEN
51
1
48
442,700
542,195
626,072
699,770
766.779
828,216
885,400
10000000500 CAN51-5151-72GEN
51
1
72
347,800
425.956
491.863
549,920
602,407
650,674
695,600
Straight Length BTU/hr. LP GAS, 1.55 SG, 2500 BTU/cu.ft.
6119
Genemc.
Pad Number
ION
Omani?
Part Number
SERIES
I
Nominal ID
in
Naminal Lenght
in
0.50 In
0.75 in
PRESSURE
1.OD in
(NCHES&TER
1.25 in
COLUMN)
1.50 In
1.76 in
2.00 in
10000009793
CAN41.4141.24GEN
1 41
1 r/4
24
465.400
569,996
658,176
735,862
806,096
870,684
930,800
10000009776
CAN41-4141-48GEN
41
a/i
48
344,000
421.312
486.489
543,912
595,825
643.565
688,000
10000009777
CAN414141-72GEN
41
ai
72
278,240
340,773
393,491
439,936
481,926
520,539
556,480
1DODOOD0498
CAN51-5151-24GEN
51
1
24
930,860
1,140,091
1,376,463
1,471,851
1,612,331
1,741,517
1,861,760
10DOOD00499
CAN51-5151-48GEN
51
1
48
708,320
867,511
1,001,716
1,119,952
1,226,846
1,325,145
1,416,640
10000000500
CAN51-5151-72GEN
51
1
72
556,480 1
681,546
786,982
879,872
963,852
1,041,079
1,112,960
Generac part number 10000000498 (Dormont part number CAN51-5151-24GEN)
can supply a minimum of 581,800 BTU/hr.of natural gas ® 0.50 in. water column
pressure drop to the generator.
OMME
All installations most completely comply with all-Dormont® manufacturing company warnings
and Instructions, national, state and local codes and all applicable ANSI standards.
A WA7 M Brand USA T. (800) 367-6668 • F. V24) 733-4808 • Donnont.com
Canada: T. (905) 832AO90 - F. (905) 332-7068 - Dormant.ca
Latin America: T. (52) 81-1001-8600 • F. (52) 81-80DD-7091 • Donnont.com
ES-D-GAC_Generac_lnstallSmart 1703 0 2016 Donnont
Maximum Capacity of PE Pipe In Thousands of BTU per Hour of Liquefied Petroleum Gas
with a Gas Pressure of 11.0 in. WC and a Pressure Drop of 0.5 In. WC
(based on a 1.62 specific grovilygas)
NoW 22
20
18
15
13
12 11 10 9
9
8
e
8
7
7
129
113
102
86
76
68 63 58 54
51
48
46
44
42
40
167
747
132
112
99
89 81 75 70
66
63
60
57
54
52
23B
209
188
160
140
126 116 107 700
94
89
85
81
78
75
427
376
338
287
252
227 208 192 180
169
160
152
146
140 .
134
642
569
516
441
391
354 326 303 285
269
255
244
233
224
216
- 1207
7061
956
810
712
642 557 544 508
478
453
431
417
394
379
25766TUh=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 aravlly am)
1192
1073 910 800 720 659 617 07 537
508
484
462
443
425
1545
1391 1779 1037 934 855 792 740 696
659
627
599
574
551
2202
7983 1680 1478 1331 1218 1128 1054 992
939
893
• 853
818
786
3956
3563 3019 2656 2391 2189 2027 1894 7793
1688
1605
1533
1469.
1412
5232
4740 4057 3596 3258 2997 278E 2676 2471
2347
2239
2144
2060
1985
11175
10063 8529 7502 6755 6182 5725 5350 5036
4767
4535
4331
4150
3988
2516BTUh=ICFH
Maximum Capacity of PE Pipe In Thousands of BTU per Hour of Liquefied Petroleum Gas
Nth a Gas Pressure of 10.0 psi and a Pressure Drop of 1.0 psi
(based on a 1.52 specific gravity gas)
Ph: 1.800.662.0208 ^ Fax: 615.325.9407 ^ Web: wWW.gastite.com