Eastern Reliability

Conical Bottom Storage Tanks

Conical bottom tanks (OTCB, ICB) are available in seamless molded one-piece units from either virgin high density crosslink or FDA-compliant linear polyethylene. A funnel shaped conical bottom with 30° or 45° slope is molded-in as are gallon markers andaccess openings. They have more resistance to corrosion and chemicals than fiberglass, stainless or mild steel. Wall thickness conforms to ASTM D-1998 standards for liquid containment.

Conical Bottom Storage Tanks


They possess excellent low temperature impact resistance and are U.V. stabilized against degradation by sunlight. Factory approved steel support work is required or can be supplied. Tanks are available in natural color or optional blue, green, yellow or black. Other options include agitator sup-port brackets, ladders and tie-down assemblies. They can be equipped with accessories to fi t your specifications.

The APCB 560 gallon all polyethylene conical bottom tank and stand is best suited as a mix vessel for chemicals and corrosive acids. Thisone-piece, full drain tank features molded in fitting placement flats on the tank roof, molded in forklift access for easy tank placement and four anchor points molded into the stand for stability.


Model Number Capacity (US Gallons) Slope (degrees) Dimensions (inches) Weight (lbs) Linear and Crosslink Polyethylene Stand Weight (Lbs) Access Opening (inches)
Diameter Height 1.5 Sp. Gravity 1.9 Sp. Gravity 2.2 Sp. Gravity
OTCB 300 300 45 49 88 N/A 115 133 210 Open Top
OTCB 600 600 45 57 105 N/A 180 208 260 Open Top
OTCB 1100 1100 45 69 109 173 218 255 350 Open Top
APCB 560 560 30 54 84 N/A 180 N/A 215 16
ICB 1100 1100 45 69 116 173 218 255 350 16
ICB 1575 1575 45 86 121 325 450 521 440 16
ICB 2200 2200 30 96 119 500 600 695 440 24 Top hinged
ICB 2600 2600 45 86 159 540 700 811 440 16
ICB 3000 3000 30 90 154 620 825 955 450 16
ICB 4200 4200 30 96 177 850 1000 1158 55 1
ICB 6000 600 3 14 16 180 190 220 320 24 Top hinge
ICB 8000 800 3 14 19 200 260 3000 3200 24 Top hinged

All 24” manway access covers are hinged. Model number availability and individual specifications subject to change without notice. Gallonage and weights are approximate. All wall thicknesses conform to ASTM D-1998.