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Plastic Double Wall Tanks

Buy poly double wall tanks at the lowest prices online and save.

about dual wall tanks

Double wall tanks (dual wall tanks, double containment tanks, double walled tanks, captor tanks, day tanks) are constructed with a primary inner tank and secondary containment tank. This tank in a tank assembly provides secure containment of chemicals, waste, and other liquids. Tanks are constructed using either high density polyethylene (HDPE) or cross-link polyethylene (XLPE). Both of these resins offer different levels of chemical containment depending on their use. HDPE and XLPE double wall tanks are rotationally molded for industrial strength durability and protection from environmental contamination. UV inhibitors are added to the resin for added protection against direct sunlight. These features make plastic double wall tanks ideal for indoor or outdoor storage. Each tank is manufactured with FDA approved resin that complies with FDA standards 21 CFR 177.1520 (1) 3.1 and 3.2 for the storage of potable water. Snyder captor tanks are constructed to meet ASTM D1998 - 06 standards for poly upright storage tanks.

Double wall storage tanks were designed for commercial and industrial use. They are commonly used for chemical storage in manufacturing facilities, plants, exploration sites, and warehouses. Some of the liquid types used with these tanks include calcium chloride, sodium hydroxide, biodiesel, fertilizer, brine, diesel exhaust fluid, polymer, and urea. Specialty Used Oil Collection Tanks are available in safety yellow for the storage of motor oil. Snyder industries supplies a chemical resistance chart that makes it easy to select the right specifications for a variety of chemicals.

Double containment tanks are customized for their use. All of these tanks come with multiple fitting, manway, and lid options. An assortment of accessories are available for certain sizes, including leak detection sensors, digital display indicators, and OSHA compliant ladders, nozzles, tie downs, and interior down pipes. Heat tracing and insulation are also available for larger tanks.

Sizes start at 15 gallons and extend up to 13,700 gallons. Each dual wall tank comes with a 3 year manufacturer warranty. Tanks are shipped fully assembled to help save on field assembly time. Let's fulfill your liquid storage needs with double from tanks from National Tank Outlet. Contact our sales team and experts for assistance.

Double Wall Tanks

double wall tanks for sale

Tank / Capacity Diameter Height S.G. Size Part# From Price
35 Gallon ASTM Double Wall Tank 22" 36" 1.9 22" Ø
36" H
1000112N45 AR $ 530
35 Gallon Double Wall Tank 24" 35" No 24" Ø
35" H
TC2435DC CA $ 586
50 Gallon Double Wall Tank 26.5" 38" No 26.5" Ø
38" H
TC2738DC AR, CA $ 639
60 Gallon ASTM HDPE Double Wall Tank 26" 41" 1.9 26" Ø
41" H
5680002N45 AR $ 687
65 Gallon Double Wall Tank 28" 43" 1.7 28" Ø
43" H
DW0065-28 FL, IA, MS $ 484
65 Gallon Double Wall Tank 28" 37" No 28" Ø
37" H
TC2837DC CA $ 683
65 Gallon Double Wall Tank 30" 48" 1.9 30" Ø
48" H
65VTE ID $ 570
100 Gallon Double Wall Tank 35" 39" No 35" Ø
39" H
TC3539DC CA, PA $ 1,083
100 Gallon Waste Oil Tank 35" 41" No 35" Ø
41" H
TC3541DC PA $ 1,784
110 Gallon Double Wall Tank 30" 79" 1.9 30" Ø
79" H
110VTE ID $ 700
120 Gallon Waste Oil Tank 33" 51" 1.9 33" Ø
51" H
5700102N95703 MS $ 1,381
120 Gallon ASTM Double Wall Tank 34" 51" 1.9 34" Ø
51" H
5700102N45 MS $ 1,063
120 Gallon Double Wall Tank 36" 50" 1.7 36" Ø
50" H
DW0120-36 FL, IA, MS $ 760
120 Gallon Double Wall Tank 33" 45" No 33" Ø
45" H
TC3345DC CA $ 1,095
130 Gallon Double Wall Tank 36" 56" 1.9 36" Ø
56" H
130VTE ID $ 690
150 Gallon ASTM Double Wall Tank 34" 62" 1.9 34" Ø
62" H
5710102N45 MS $ 1,091
150 Gallon Waste Oil Tank 34" 62" 1.9 34" Ø
62" H
5710102N95703 MS $ 1,706
150 Gallon Double Wall Tank 36" 60" 1.7 36" Ø
60" H
DW0150-36 IA, MS $ 931
150 Gallon Double Wall Tank 34" 48" No 34" Ø
48" H
TC3448DC CA, PA $ 1,362
150 Gallon Waste Oil Tank 34" 49" No 34" Ø
49" H
TC3449DC PA $ 1,813
200 Gallon Double Wall Tank 41" 52" No 41" Ø
52" H
TC4152DC CA, PA $ 1,628
200 Gallon Waste Oil Tank 41" 53" No 41" Ø
53" H
TC4153DC PA $ 2,167
220 Gallon Double Wall Tank 48" 64" 1.9 48" Ø
64" H
220VTE ID $ 950
250 Gallon ASTM Double Wall Tank 34" 83" 1.9 34" Ø
83" H
5990502N45 NE $ 1,531
250 Gallon ASTM Sulfuric Acid Double Wall Tank 34" 83" 1.9 34" Ø
83" H
5990502N30 NE $ 1,682
250 Gallon ASTM Sodium Hypochlorite Double Wall Tank 34" 83" 1.9 34" Ø
83" H
5990502N52 NE $ 1,837
275 Gallon ASTM Double Wall Tank 47" 63" 1.9 47" Ø
63" H
5740102N45 MS $ 1,547
275 Gallon Waste Oil Tank 47" 63" 1.9 47" Ø
63" H
5740102N95703 MS $ 2,361
300 Gallon Double Wall Tank 57" 45" 1.7 57" Ø
45" H
DW0300-57 IA, MS $ 1,336
300 Gallon Waste Oil Tank 57" 45" 1.9 57" Ø
45" H
ODW0300 MS $ 1,484
310 Gallon Double Wall Tank 48" 104" 1.9 48" Ø
104" H
310VTE ID $ 1,420
330 Gallon Double Wall Tank 60" 51" 1.9 60" Ø
51" H
330VTE ID $ 1,180
350 Gallon Double Wall Tank 52" 56" No 52" Ø
56" H
TC5256DC CA, PA $ 1,916
360 Gallon ASTM Double Wall Tank 53" 63" 1.9 53" Ø
63" H
5760102N45 MS $ 1,702
360 Gallon Waste Oil Tank 53" 63" 1.9 53" Ø
63" H
5760102N95703 MS $ 2,859
385 Gallon Waste Oil Tank 64" 40" No 64" Ø
40" H
TC6440DC TN $ 0
405 Gallon ASTM HDPE Double Wall Tank 45" 81" 1.9 45" Ø
81" H
5990702N45 NE $ 1,649
500 Gallon Double Wall Tank 57" 69" 1.7 57" Ø
69" H
DW0500-57 FL, IA, MS $ 1,664
500 Gallon Waste Oil Tank 57" 69" 1.9 57" Ø
69" H
ODW0500 MS $ 2,120
500 Gallon ASTM Double Wall Tank 53" 81" 1.9 53" Ø
81" H
5780102N45 MS $ 2,003
500 Gallon Waste Oil Tank 53" 81" 1.9 53" Ø
81" H
5780102N95703 MS $ 3,373
500 Gallon Double Wall Tank 59" 71" No 59" Ø
71" H
TC5971DC CA, PA $ 2,162
525 Gallon Double Wall Tank 72" 66" 1.9 72" Ø
66" H
525VTE ID $ 1,690
550 Gallon ASTM Double Wall Tank 76" 65" 1.9 76" Ø
65" H
5040000N45 NE $ 4,722
550 Gallon Double Wall Tank 60" 94" 1.9 60" Ø
94" H
550VTE ID $ 1,720
1000 Gallon Waste Oil Tank 80.5" 69" 1.9 80.5" Ø
69" H
5990102N95703 MS $ 4,171
1000 Gallon Double Wall Tank 77" 82" 1.7 77" Ø
82" H
DW1000-77 IA $ 2,777
1000 Gallon Double Wall Tank 74" 85" No 74" Ø
85" H
TC7485DC CA $ 3,606
1000 Gallon Double Wall Tank 90" 72" 1.9 90" Ø
72" H
1000VTE ID $ 2,440
1000 Gallon ASTM HDPE Double Wall Tank 81" 69" 1.9 81" Ø
69" H
5990102N45 MS $ 3,235
1100 Gallon ASTM Double Wall Tank 76" 104" 1.9 76" Ø
104" H
5470000N45 NE $ 5,696
1100 Gallon Double Wall Tank 102" 56" 1.9 102" Ø
56" H
1100VTE ID $ 2,810
1500 Gallon Double Wall Tank 77" 119" 1.7 77" Ø
119" H
DW1500-77 IA $ 3,602
1500 Gallon ASTM HDPE Double Wall Tank 93" 76" 1.9 93" Ø
76" H
5990302N45 NE $ 4,924
1550 Gallon ASTM Double Wall Tank 76" 136" 1.9 76" Ø
136" H
5490000N45 NE $ 6,873
2000 Gallon ASTM Double Wall Tank 102" 103" 1.9 102" Ø
103" H
5570000N45 NE, WV $ 9,487
2000 Gallon Double Wall Tank 102" 97" 1.7 102" Ø
97" H
DW2000-102 IA $ 4,993
2500 Gallon ASTM Double Wall Tank 102" 122" 1.9 102" Ø
122" H
5580000N45 NE, WV $ 11,024
2500 Gallon Double Wall Tank 102" 119" 1.7 102" Ø
119" H
DW2500-102 IA $ 5,686
3000 Gallon ASTM Double Wall Tank 102" 142" 1.5 102" Ø
142" H
5590000N43 NE, WV $ 12,195
3000 Gallon Double Wall Tank 102" 141" 1.7 102" Ø
141" H
DW3000-102 IA $ 7,651
3500 Gallon ASTM Double Wall Tank 102" 158" 1.5 102" Ø
158" H
5600000N43 NE, WV $ 15,505
3500 Gallon Double Wall Tank 102" 164" 1.7 102" Ø
164" H
DW3500-102 IA $ 8,541
4000 Gallon ASTM Double Wall Tank 102" 178" 1.5 102" Ø
178" H
5610000N43 NE, WV $ 18,818
4500 Gallon ASTM Double Wall Tank 102" 197" 1.5 102" Ø
197" H
5620000N43 NE $ 21,613
5000 Gallon ASTM Double Wall Tank 102" 216" 1.5 102" Ø
216" H
5630000N43 NE $ 26,554
5500 Gallon ASTM Double Wall Tank 120" 172" 1.5 120" Ø
172" H
5660000N43 NE $ 22,618
6500 Gallon Double Wall Tank 120" 207" 1.7 120" Ø
207" H
DW6500-120 IA $ 13,743
6500 Gallon ASTM Double Wall Tank 120" 199" 1.5 120" Ø
199" H
5670000N43 NE $ 28,763
8700 Gallon ASTM Double Wall Tank 142" 197" 1.5 142" Ø
197" H
1006400N43 NE $ 34,802
10000 Gallon ASTM Double Wall Tank 142" 226" 1.5 142" Ø
226" H
1006600N43 NE $ 50,348
12500 Gallon ASTM Double Wall Tank 142" 274" 1.5 142" Ø
274" H
1031100N43 NE $ 64,516
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