Double Wall Vertical Tanks : STI F921® (meets UL-142)

Standard sizes ranging from 5,700g to 16,900g

Our Double wall vertical tanks are manufactured with a double-wall steel design including built-in, testable, interstitial monitoring capability and impermeable secondary containment.

Our tank designs meet or exceeds all UL 142 standards (bears STI F921® & SwRI labels) for installation in accordance with a variety of installation codes, including NFPA 30, NFPA 30A, NFPA 31, NFPA 37, NFPA 1 and the International Fire Code.

Double Wall Vertical Tanks : STI F921® (meets UL-142)

Tank Capacity

Tank Diameter / Height

Pump Size

Drawing(PDF)

5,700g

11’ x 8’ 

0.75 HP

1005-0001

6,400g

11’ x 9’

0.75 HP

1005-0002

8,500g

11’ x 12’

0.75 HP

1005-0003

10,000g

12’ x 12’

0.75 HP

1005-0004

12,600g

12’ x 15’

0.75 HP

1005-0005

10,000g

12’ x 12’

1.5 HP

1005-0006

12,600g

12’ x 15’

1.5 HP

1005-0007

14,900g

13’ x 15’

1.5 HP

1005-0008

16,900g

12’ x 20’

2.0 HP

1005-0011



Accessories:



    Standard Kits - Doublewall Vertical Tank Accessories