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Underground Tanks
B Series | W Series | Ten Foot Diameter | 5 Foot Diameter Tank Accessories | Tank Laminate Detail | Installation Instructions

Structural Material: Orthophthalic Laminating Filled Resin in a Chop-Strand Fiberglass Matrix
W Series (PDF Version)
W-Series 5' dia. underground tanks are modular and are assembled on-site using supplied bolts and gaskets.

Underground tanks require the use of clean gravel (1/8" to 3/4") as backfill completely surrounding the tank. Installation Instructions must be followed or warranty will be void.

W-Series 5' dia. modular (manway not included, assembly required)

Model

US Gallons Dia. Length Weight Drawing
W-900-US 900 5' 8' 275 lbs Link
W-1200-US 1200 5' 10' 370 lbs Link
W-1500-US 1500 5' 12' 465 lbs Link
W-1800-US 1800 5' 14' 560 lbs Link
W-2100-US 2100 5' 16' 655 lbs Link
W-2400-US 2400 5' 18' 750 lbs Link
W-2700-US 2700 5' 20' 850 lbs
W-3000-US 3000 5' 22' 950 lbs
MAN-12 12"H manway 24"    
MAN-30 30"H manway 24"    
MAN-60 60"H manway 24"    
MAN-85 84"H manway 24"    


Gravel Requirements (Cubic Yards req'd per Burial Depth of Cover Above Tanks):

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