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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 $ 386
35 Gallon Double Wall Tank 24" 35" No 24" Ø
35" H
TC2435DC CA $ 426
50 Gallon Double Wall Tank 26.5" 38" No 26.5" Ø
38" H
TC2738DC TN $ 0
60 Gallon ASTM HDPE Double Wall Tank 26" 41" 1.9 26" Ø
41" H
5680002N45 AR $ 499
65 Gallon Double Wall Tank 28" 43" 1.7 28" Ø
43" H
DW0065-28 FL, IA, MS $ 370
65 Gallon Double Wall Tank 28" 37" No 28" Ø
37" H
TC2837DC CA $ 497
65 Gallon Double Wall Tank 30" 48" 1.9 30" Ø
48" H
65VTE ID $ 508
100 Gallon Double Wall Tank 35" 39" No 35" Ø
39" H
TC3539DC CA, PA $ 787
100 Gallon Waste Oil Tank 35" 41" No 35" Ø
41" H
TC3541DC PA $ 1,297
110 Gallon Double Wall Tank 30" 79" 1.9 30" Ø
79" H
110VTE ID $ 660
120 Gallon Waste Oil Tank 33" 51" 1.9 33" Ø
51" H
5700102N95703 MS $ 1,004
120 Gallon ASTM Double Wall Tank 34" 51" 1.9 34" Ø
51" H
5700102N45 AR $ 772
120 Gallon Double Wall Tank 36" 50" 1.7 36" Ø
50" H
DW0120-36 FL, IA, MS $ 580
120 Gallon Double Wall Tank 33" 45" No 33" Ø
45" H
TC3345DC CA $ 796
130 Gallon Double Wall Tank 36" 56" 1.9 36" Ø
56" H
130VTE ID $ 668
150 Gallon ASTM Double Wall Tank 34" 62" 1.9 34" Ø
62" H
5710102N45 AR $ 793
150 Gallon Waste Oil Tank 34" 62" 1.9 34" Ø
62" H
5710102N95703 MS $ 1,240
150 Gallon Double Wall Tank 36" 60" 1.7 36" Ø
60" H
DW0150-36 IA, MS $ 710
150 Gallon Double Wall Tank 34" 48" No 34" Ø
48" H
TC3448DC CA, PA $ 990
150 Gallon Waste Oil Tank 34" 49" No 34" Ø
49" H
TC3449DC PA $ 1,318
200 Gallon Double Wall Tank 41" 52" No 41" Ø
52" H
TC4152DC CA, PA $ 1,184
200 Gallon Waste Oil Tank 41" 53" No 41" Ø
53" H
TC4153DC PA $ 1,575
220 Gallon Double Wall Tank 48" 64" 1.9 48" Ø
64" H
220VTE ID $ 900
250 Gallon ASTM Double Wall Tank 34" 83" 1.9 34" Ø
83" H
5990502N45 NE $ 1,112
250 Gallon ASTM Sulfuric Acid Double Wall Tank 34" 83" 1.9 34" Ø
83" H
5990502N30 NE $ 1,223
250 Gallon ASTM Sodium Hypochlorite Double Wall Tank 34" 83" 1.9 34" Ø
83" H
5990502N52 NE $ 1,335
275 Gallon ASTM Double Wall Tank 47" 63" 1.9 47" Ø
63" H
5740102N45 NE $ 1,124
275 Gallon Waste Oil Tank 47" 63" 1.9 47" Ø
63" H
5740102N95703 MS $ 1,716
300 Gallon Double Wall Tank 57" 45" 1.7 57" Ø
45" H
DW0300-57 IA, MS $ 1,020
300 Gallon Waste Oil Tank 57" 45" 1.9 57" Ø
45" H
ODW0300 MS $ 1,400
310 Gallon Double Wall Tank 48" 104" 1.9 48" Ø
104" H
310VTE ID $ 1,300
330 Gallon Double Wall Tank 60" 51" 1.9 60" Ø
51" H
330VTE ID $ 1,099
350 Gallon Double Wall Tank 52" 56" No 52" Ø
56" H
TC5256DC CA, PA $ 1,393
360 Gallon ASTM Double Wall Tank 53" 63" 1.9 53" Ø
63" H
5760102N45 NE $ 1,237
360 Gallon Waste Oil Tank 53" 63" 1.9 53" Ø
63" H
5760102N95703 MS $ 2,078
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 $ 1,199
500 Gallon Double Wall Tank 57" 69" 1.7 57" Ø
69" H
DW0500-57 FL, IA, MS $ 1,270
500 Gallon Waste Oil Tank 57" 69" 1.9 57" Ø
69" H
ODW0500 MS $ 2,000
500 Gallon ASTM Double Wall Tank 53" 81" 1.9 53" Ø
81" H
5780102N45 NE $ 1,456
500 Gallon Waste Oil Tank 53" 81" 1.9 53" Ø
81" H
5780102N95703 MS $ 2,452
500 Gallon Double Wall Tank 59" 71" No 59" Ø
71" H
TC5971DC CA, PA $ 1,572
525 Gallon Double Wall Tank 72" 66" 1.9 72" Ø
66" H
525VTE ID $ 1,598
550 Gallon ASTM Double Wall Tank 76" 65" 1.9 76" Ø
65" H
5040000N45 NE $ 3,433
550 Gallon Double Wall Tank 60" 94" 1.9 60" Ø
94" H
550VTE ID $ 1,600
1000 Gallon Waste Oil Tank 80.5" 69" 1.9 80.5" Ø
69" H
5990102N95703 MS $ 3,032
1000 Gallon Double Wall Tank 77" 82" 1.7 77" Ø
82" H
DW1000-77 IA $ 2,120
1000 Gallon Double Wall Tank 74" 85" No 74" Ø
85" H
TC7485DC CA $ 2,621
1000 Gallon Double Wall Tank 90" 72" 1.9 90" Ø
72" H
1000VTE ID $ 2,298
1000 Gallon ASTM HDPE Double Wall Tank 81" 69" 1.9 81" Ø
69" H
5990102N45 NE $ 2,351
1100 Gallon ASTM Double Wall Tank 76" 104" 1.9 76" Ø
104" H
5470000N45 NE $ 4,141
1100 Gallon Double Wall Tank 102" 56" 1.9 102" Ø
56" H
1100VTE ID $ 2,600
1500 Gallon Double Wall Tank 77" 119" 1.7 77" Ø
119" H
DW1500-77 IA $ 2,750
1500 Gallon ASTM HDPE Double Wall Tank 93" 76" 1.9 93" Ø
76" H
5990302N45 NE $ 3,579
1550 Gallon ASTM Double Wall Tank 76" 136" 1.9 76" Ø
136" H
5490000N45 NE $ 4,996
2000 Gallon ASTM Double Wall Tank 102" 103" 1.9 102" Ø
103" H
5570000N45 NE, WV $ 6,896
2000 Gallon Double Wall Tank 102" 97" 1.7 102" Ø
97" H
DW2000-102 IA $ 3,810
2500 Gallon ASTM Double Wall Tank 102" 122" 1.9 102" Ø
122" H
5580000N45 NE, WV $ 8,014
2500 Gallon Double Wall Tank 102" 119" 1.7 102" Ø
119" H
DW2500-102 IA $ 4,340
3000 Gallon ASTM Double Wall Tank 102" 142" 1.5 102" Ø
142" H
5590000N43 NE, WV $ 8,866
3000 Gallon Double Wall Tank 102" 141" 1.7 102" Ø
141" H
DW3000-102 IA $ 5,840
3500 Gallon ASTM Double Wall Tank 102" 158" 1.5 102" Ø
158" H
5600000N43 NE, WV $ 11,271
3500 Gallon Double Wall Tank 102" 164" 1.7 102" Ø
164" H
DW3500-102 IA $ 6,520
4000 Gallon ASTM Double Wall Tank 102" 178" 1.5 102" Ø
178" H
5610000N43 NE, WV $ 13,680
4500 Gallon ASTM Double Wall Tank 102" 197" 1.5 102" Ø
197" H
5620000N43 NE $ 15,711
5000 Gallon ASTM Double Wall Tank 102" 216" 1.5 102" Ø
216" H
5630000N43 NE $ 19,303
5500 Gallon ASTM Double Wall Tank 120" 172" 1.5 120" Ø
172" H
5660000N43 NE $ 16,443
6500 Gallon Double Wall Tank 120" 207" 1.7 120" Ø
207" H
DW6500-120 IA $ 10,490
6500 Gallon ASTM Double Wall Tank 120" 199" 1.5 120" Ø
199" H
5670000N43 NE $ 20,910
8700 Gallon ASTM Double Wall Tank 142" 197" 1.5 142" Ø
197" H
1006400N43 NE $ 25,281
10000 Gallon ASTM Double Wall Tank 142" 226" 1.5 142" Ø
226" H
1006600N43 NE $ 36,543
12500 Gallon ASTM Double Wall Tank 142" 274" 1.5 142" Ø
274" H
1031100N43 NE $ 46,849
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