Semi-Circular EnviroVault

Semi-Circular EnviroVault are specifically engineered to accommodate multiple loading nozzles, sample ports, pumps, electronic controls or whatever you may require. With over 30,000 sold in North America, we can help you find the right EnviroVault for you application.
Product Name Dimensions Displacement(bbl) Approximated Spill Containment Volume(bbl) Steel Type & Thickness
Height Width Radius Type
6WX6H 72" 72" 35" 13.61 4.54 ASTM - A36/44W
6WX5H 60" 72" 35" 11.34 4.54 ASTM - A36/44W
5WX5H 60" 60" 30" 8.33 3.33 ASTM - A36/44W
Custom Sizes Available N/A N/A N/A N/A N/A ASTM - A36/44W
Note: Tanks greater then 2000bbl in capacity or taller then 32ft will require a thicker roof. Please notify sales agent when ordering
  Low temp steel options available
  Notify sales agent of the O.D. (Outside Diameter) of your tank when ordering
  Double Walled models available

Five-Sided EnviroVaults

Five-Sided EnviroVaults are specifically engineered to be used in 50bbl to 400bbl tanks. They are sized to easily fit through a traditional 24" x 36" standard API many ways for easy installation.
Product Name Dimensions Displacement(bbl) Approximated Spill Containment Volume(bbl) Steel Type & Thickness
Height Width Radius Type
3WX5H 48" 35" 24" 3.54 1.42 ASTM - A36/44W
Note: Tanks greater then 2000bbl in capacity or taller then 32ft will require a thicker roof. Please notify sales agent when ordering
  Low temp steel options available
  Notify sales agent of the O.D. (Outside Diameter) of your tank when ordering
  Double Walled models available