Double Wall Tanks
Double wall tanks (IMT) provide the best protection against hazardous chemical spills into the environment. Inner tank dome overlaps outer tank sidewall to prevent rainwater, snow and debris from entering into the containment basin.
Our ability to heat trace and insulate make these tanks perfect for temperature sensitive chemicals. Molded-in lifting lugs and upper fitting flats are standard. Molded-in lower fitting flats, along with a sturdy Assmann designed bottom outlet, reduce the cost of expensive double wall outlets.
All double wall tanks are designed with wall thicknesses equal to or greater than that required by ASTM D-1998 standards. Double wall tanks can be customized by adding Seismic zone 4 or 120 MPH wind load tie down assemblies, leak detection, ultrasonic level indicators, and ladders.
Accessories for 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
- Standard 16” or optional 21” top manways
Double wall tanks can be equipped with accessories to fit your specifications.
| Model Number | Cap. (US Gals) | Dimensions (inches) | Weight (Lbs) Linaer Polyethylene | Weight (Lbs) Cross-link Polyethylene | Access Open. (in) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary Sp. Gravity | Secondary Sp. Gravity | Primary Sp. Gravity | Secondary Sp. Gravity | |||||||||||||
| 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 | |||
| IMT 550 | 550 | 60 | 73 | N/A | 130 | 159 | N/A | 130 | 151 | N/A | 130 | 159 | N/A | 130 | 159 | 16 |
| IMT 1050 | 1050 | 72 | 87 | 185 | 205 | 233 | 191 | 244 | 283 | 185 | 205 | 226 | 176 | 221 | 256 | 16 |
| IMT 1550 | 1550 | 72 | 123 | 325 | 408 | 472 | 309 | 392 | 454 | 297 | 380 | 440 | 283 | 359 | 416 | 16 |
| IMT 2050 | 2050 | 72 | 159 | 551 | 691 | 809 | 596 | 748 | 875 | 505 | 633 | 738 | 545 | 697 | 799 | 16 |
| IMT 2550 | 2550 | 96 | 119 | 643 | 823 | 953 | 499 | 632 | 732 | 600 | 748 | 866 | 457 | 579 | 671 | 16 |
| IMT 3050 | 3050 | 96 | 138 | 817 | 1022 | 1183 | 694 | 879 | 1018 | 739 | 944 | 1093 | 636 | 806 | 933 | 16 |
| IMT 4050 | 4050 | 96 | 177 | 1252 | 1607 | 1870 | 1178 | 1492 | 1728 | 1158 | 1476 | 1700 | 1178 | 1492 | 1728 | 16 |
| IMT 5250 | 5250 | 119 | 154 | 1484 | 1920 | 2225 | 1342 | 1699 | 1968 | 1372 | 1752 | 2025 | 1230 | 1558 | 1804 | 16 |
| IMT 6550 | 6550 | 119 | 186 | 2181 | 2778 | 3200 | 2028 | 2569 | 2974 | 2000 | 2570 | 2960 | 2028 | 2569 | 2974 | 16 |
| IMT 8850 | 8850 | 143 | 172 | 3112 | 3942 | 4565 | 3209 | 4065 | 4706 | 2853 | 3614 | 4184 | 2942 | 3726 | 4314 | 24 |
Model number availability and individual specifications subject to change without notice. Gallonage and weights are approximate. All wall thicknesses conform to ASTM D-1998.