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
  • Optional fittings must be factory installed & can only be purchased with tank
  • FDA-compliant resin/materials
  • Optional 1", 2" & 3" fittings sold separately
Item # Description Catalog Pg. Price Add to Cart
65 Gallon Dualline™ Double-Wall Tank - 29" Dia. x 43" Hgt.
Item 14163
701.52/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
701.52/Each
120 Gallon Dualline™ Double-Wall Tank - 36" Dia. x 50" Hgt.
Item 14164
1114.37/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
1114.37/Each
150 Gallon Dualline™ Double-Wall Tank - 36" Dia. x 60" Hgt.
Item 14165
1345.95/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
1345.95/Each
300 Gallon Dualline™ Double-Wall Tank - 57" Dia. x 45" Hgt.
Item 14072
1991.73/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
1991.73/Each
500 Gallon Dualline™ Double-Wall Tank - 57" Dia. x 69" Hgt.
Item 14073
2507.98/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
2507.98/Each
1000 Gallon Dualline™ Double-Wall Tank - 77" Dia. x 82" Hgt.
Item 14074
4445.28/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
4445.28/Each
1500 Gallon Dualline™ Double-Wall Tank - 77" Dia. x 119" Hgt.
Item 14075
5711.34/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
5711.34/Each
2000 Gallon Dualline™ Double-Wall Tank - 102" Dia. x 97" Hgt.
Item 14219
7273.73/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
7273.73/Each
2500 Gallon Dualline™ Double-Wall Tank - 102" Dia. x 119" Hgt.
Item 14229
8776.07/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
8776.07/Each
1" Installed Fitting for Dualline™ Double-Wall Tanks
Item 18730
559.99/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
559.99/Each
2" Installed Fitting for Dualline™ Double-Wall Tanks
Item 14081
1004.61/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
1004.61/Each
3" Installed Fitting for Dualline™ Double-Wall Tanks
Item 14248
1163.05/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
1163.05/Each
Small Reverse Liquid Level Sight Gauge Kit for Dualline™ Double-Wall Tanks
Item 18731
694.28/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
694.28/Each
Large Reverse Liquid Level Sight Gauge Kit for Dualline™ Double-Wall Tanks
Item 18732
734.84/Each
Save 5% when you buy 2+
Save 10% when you buy 4+
Save 15% when you buy 12+
P-352
734.84/Each