Dualline™ Double-Wall Tanks

Dualline™ Double-Wall Tanks have a strong, durable, quality construction and are designed for containment in the event the inner or primary tank is compromised. Dualline™ tanks are freestanding double-walled vertical tanks with a flat bottom for indoor or outdoor stationary applications. An EPDM elastic seal is standard and seals the primary tank to the secondary tank to prevent dirt and moisture from entering the containment space between tanks. Note: Tank shown with an optional fitting, available for installation on tanks 2500 gallons and smaller.

  • Made of UV stabilized LLDPE
  • 16" vented lid assembly
  • Three flats are provided on the top for custom tank plumbing
  • Specific gravity rating: 1.7
  • For the containment of chemicals rated for contact with polyethylene
  • Service fitting is provided on the secondary tank (65 gallon to 2500 gallon only)
  • Optional fittings must be factory installed & can only be purchased with tank
  • Optional fittings only available for 2500 gallon or smaller tanks
  • Meets FDA standards
  • Optional 1", 2" & 3" fittings sold separately
Stock Description Catalog Pg. Price Add to Cart
65 Gallon Dualline™ Double-Wall Tank - 29" Dia. x 43" Hgt.
Item 14163
625.38/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
625.38/Each
120  Gallon Dualline™ Double-Wall Tank - 36" Dia. x 50" Hgt.
Item 14164
993.07/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
993.07/Each
150 Gallon Dualline™ Double-Wall Tank - 36" Dia. x 60" Hgt.
Item 14165
1199.34/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
1199.34/Each
300 Gallon Dualline™ Double-Wall Tank - 57" Dia. x 45" Hgt.
Item 14072
1774.52/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
1774.52/Each
500 Gallon Dualline™ Double-Wall Tank - 57" Dia. x 69" Hgt.
Item 14073
2234.29/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
2234.29/Each
1000 Gallon Dualline™ Double-Wall Tank - 77" Dia. x 82" Hgt.
Item 14074
3959.8/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
3959.8/Each
1500 Gallon Dualline™ Double-Wall Tank - 77" Dia. x 119" Hgt.
Item 14075
5087.42/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
5087.42/Each
2000 Gallon Dualline™ Double-Wall Tank - 102" Dia. x 97" Hgt.
Item 14219
6478.94/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
6478.94/Each
2500 Gallon Dualline™ Double-Wall Tank - 102" Dia. x 119" Hgt.
Item 14229
7816.92/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
7816.92/Each
3000 Gallon Dualline™ Double-Wall Tank - 102" Dia. x 141" Hgt.
Item 18724
9510.92/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
9510.92/Each
3500 Gallon Dualline™ Double-Wall Tank - 102" Dia. x 164" Hgt.
Item 18725
10625.69/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
10625.69/Each
6000 Gallon Dualline™ Double-Wall Tank- 120" Dia. x 191" Hgt.
Item 14615
17872.87/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
17872.87/Each
6500 Gallon Dualline™ Double-Wall Tank- 120" Dia. x 207" Hgt.
Item 14616
18854.14/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
18854.14/Each
1" Installed Fitting for Dualline™ Double-Wall Tanks
Item 18730
474.64/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
474.64/Each
2" Installed Fitting for Dualline™ Double-Wall Tanks
Item 14081
850.85/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
850.85/Each
3" Installed Fitting for Dualline™ Double-Wall Tanks
Item 14248
1831.14/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
1831.14/Each
Small Reverse Liquid Level Sight Gauge Kit for Dualline™ Double-Wall Tanks
Item 18731
588.27/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
588.27/Each
Large Reverse Liquid Level Sight Gauge Kit for Dualline™ Double-Wall Tanks
Item 18732
622.58/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-312
622.58/Each