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Master Catalog>>Cylinders, Tanks and Gauges>>Page N-3
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ASME Underground Tanks - Quality Steel Corp.
Underground LPG tanks conform to the latest edition and addenda of the ASME Code for Pressure Vessels, Section VIII Division I. Complies with NFPA 58 and is UL listed. All tanks are pre-purged and ready to be filled. Rated at 250 psig from -20° F. to 125° F. All tanks may be evacuated to a full (14.7 psi) vacuum. Urethane Finish.
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Part no. |
Description |
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120UG |
120 gallon underground domestic tank |
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250UG |
250 gallon underground domestic tank |
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320UG |
320 gallon underground domestic tank |
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500UG |
500 gallon underground domestic tank |
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1000UG |
1,000 gallon underground domestic tank |
Cathodic Protection for Underground Tanks - Anodes and Anode Bags - Mesa
Two commonly applied protection methods can be used on underground tanks. External coating and cathodic protection. These two methods are complementary, and should be used together. While an effective external coating can insulate more than 99% of the steel surface from the soil environment, no coating is perfect. Damage from construction or soil stresses creates tiny defects which can result in accelerated corrosion at the defect.
Cathodic protection prevents corrosion at the defects by applying DC current from an external source, such as a magnesium anode. This forces the tank to become a cathode, and corrosion of the tank is prevented. Application of sufficient DC current to the tank will prevent any corrosion from occurring. Due to its low current requirements, the preferred cathodic protection for an LP-Gas tank is a sacrificial anode system, generally consisting of a magnesium rod(s) attached to the tank with a copper wire and buried near the tank. This results in current flow from the anode to the tank and the resulting cathodic protection effectively stops the corrosive process from taking place.
| Part no. | Description | Order |
| AS-12 | Drive-In Magnesium Anode - 1/2 lb. w/Clamp and 3' coiled lead wire | |
| AS-1 | Drive-In Magnesium Anode - 1 lb. w/Clamp and 3' coiled lead wire |
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Part no. |
Description |
Anode size / Bare weight |
Packaged weight |
Dimensions - Bare Anode |
Dimensions - Packaged Anode |
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A |
B |
C |
D |
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17-AB |
Magnesium Anode Bag H1 17 lb. w/10' #12 TW wire |
17 lbs. |
45 lbs. |
4" |
18 ¾" |
6 ½" |
24" |
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| Part no. | Description | Anode size / Bare weight | Width | Height | Length | Packaged Weight |  |
Order |
| 18-ZAB | Zinc Anode Bag S-18 18 lb.w/10' #12 TW wire | 18 lbs. | 1.4" | 1.4" | 36" | 70 lbs. |
Dandi-Block
The Dandi-Block is a lightweight, durable, and attractive alternative to the outdated concrete block system. Dandi-Blocks resist cracking or breaking. They may be drilled and bolted. UV protected.
Model 31717 will hold 60, 100, or 150 lb. DOT cylinders.
Model 22626 is designed for the 200# & 420# DOT cylinders. Its unique design also allows it to accommodate the 100# and smaller DOT cylinders.
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Part no. |
Description |
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31717 |
Tank stand for DOT upright cylinders up to 150 lb. |
Master Catalog>>Cylinders, Tanks and Gauges>>Page N-3
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