Small Double Wall Storage Tank Systems from Assmann Provide Capacities from 20 to 405 Gallons
Assmann provides tank accessories for various materials for our line of industrial tanks.
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![]() Molded in pump shelf is recessed in the top of the tank. Shown w/optional metering pump |
![]() Interstitial leak detection system — detects loss of product into secondary containment. |
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Polyethylene storage tanks system consists of a primary inner tank and secondary containment, with a capacity of 120% of the inner tank, exceeding EPA standards and complies with 40 CFR-264.193.
- Inner tank dome of plastic industrial storage tanks overlaps outer tank sidewall to prevent rainwater, snow, and debris from entering secondary containment, making system ideal for outdoor storage of chemicals.
- Molded 7" threaded top access opening is standard. This access opening is chemically resistant and fume tight. Larger access openings available.
- Small footprints of 34-1/2” & under will fit through standard 36” doorway to allow convenient system location within tight manufacturing areas.
- Molded in pump shelf is ideal for installing chemical pumps and metering equipment. This pump shelf is recessed in the top of the tank to contain small chemical spills.
- Molded
in sump in the primary tank is located directly below the
pump shelf.
Suction lines can be lowered onto the sump area, which will allow for maximum drainage of chemical with top discharge assemblies. - Recessed lower fitting flat will allow fittings to penetrate through the secondary containment wall and into the primary tanks sump. This feature allows full flooded suction for outlet assemblies.
- Interstitial leak detection systems option available.
Accessories for Plastic/Polyethylene Double Wall Tanks
- Seismic zone 4 restraint
- 120 MPH wind load restraint
- Ultrasonic level indicator
- Leak detection system
- High and low level alarms
- Heat tracing and insulation
- Fiber Reinforced Ladders
- Top discharge assemblies with foot valve
- Click here to see more detailed information on Double Wall Tank Accessories
Model No. |
Capacity (US Gal.) |
Dimensions (inches) |
Weight
(lbs) |
Weight
(lbs) XLEP PE |
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Primary
SP.G |
Secondary SP.G |
Primary SP.G |
Secondary SP.G |
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Dia. |
Hgt. |
1.5 |
1.9 |
2.2 |
1.5 |
1.9 |
2.2 |
1.5 |
1.9 |
2.2 |
1.5 |
1.9 |
2.2 |
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20 |
26.125 |
21.375 |
N/A |
17 |
N/A |
N/A |
17 |
N/A |
N/A |
17 |
N/A |
N/A |
17 |
N/A |
|
40 |
26.125 |
33.5 |
N/A |
26 |
N/A |
N/A |
26 |
N/A |
N/A |
26 |
N/A |
N/A |
26 |
N/A |
|
65 |
26.125 |
47.75 |
N/A |
36 |
N/A |
N/A |
36 |
N/A |
N/A |
36 |
N/A |
N/A |
36 |
N/A |
|
85 |
34.5 |
38.5 |
N/A |
45 |
N/A |
N/A |
45 |
N/A |
N/A |
45 |
N/A |
N/A |
45 |
N/A |
|
120 |
34.5 |
51 |
N/A |
56 |
N/A |
N/A |
56 |
N/A |
N/A |
56 |
N/A |
N/A |
56 |
N/A |
|
150 |
47 |
44 |
N/A |
65 |
N/A |
N/A |
65 |
N/A |
N/A |
65 |
N/A |
N/A |
65 |
N/A |
|
165 |
34.5 |
66 |
N/A |
69 |
N/A |
N/A |
69 |
N/A |
N/A |
69 |
N/A |
N/A |
69 |
N/A |
|
250 |
47 |
61 |
N/A |
95 |
N/A |
N/A |
95 |
N/A |
N/A |
95 |
N/A |
N/A |
95 |
N/A |
|
405 |
47 |
76 |
N/A |
74 |
82 |
N/A |
77 |
90 |
N/A |
74 |
77 |
N/A |
77 |
82 |
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Model number availability and individual specifications subject to change without notice. Gallonage and weights are approximate. All wall thicknesses conform to ASTM D-1998.
- Download the PDF file for Small Double Wall Tanks
- Click here to see more detailed information on Large Double Wall Tanks. Available in 150 to 6550 gallon capacities.
Assmann Corporation of America
300 North Taylor Road, Garrett, IN 46738 USA
Phone: 888-357-3181 • Fax: 888-Tank Fax (826-5329)
Phone: 260-357-3181 • Fax: 260-357-3738
E-mail: info@assmann-usa.com





