Snyder Industries 6500 Gallon Cone Bottom Tank

The Snyder Industries 6500 Gallon Cone Bottom Tank (SKU 7180000N49) is a full-drain, black polyethylene cone bottom tank rated to 1.5 specific gravity, built for bulk chemical batching, mixing, and metering where you need every gallon to evacuate through the cone. It stands 273 inches tall on a 90 x 90 inch footprint, and the cone geometry means it must be carried in a matching steel stand or tower - this is not a flat-bottom tank you set on a pad. Governing weight to design around: roughly 54,210 lb full of water, and up to about 81,315 lb of contents at the full 1.5 SG rating.

Will it work for your application?

Size your stand, anchoring, and slab to the loaded figure (~81,315 lb at 1.5 SG), not the empty shell. Run those numbers against your batch volume with the Tank Sizing Calculator and the Tank Sizing Guide before you commit. The technical drawing on this page calls out a flange, an 18" PE threaded/vented fitting, and a manway with 15" access - confirm those locations and the cone discharge orientation against your piping and stand before ordering. For tower and stand pairing, the Cone Bottom Tank Stand Compatibility Matrix walks through matching this Snyder cone to the right support.

Chemical compatibility

This tank is molded in polyethylene (resin coded HDLPE?) at a 1.5 SG rating. Because the resin code carries a question mark, confirm whether this is HDLPE (high-density linear) or XLPE (cross-linked) with us at 866-418-1777 before putting it into chemical service - the distinction drives long-term chemical resistance, and it is the blocking step before any aggressive acid or oxidizer duty. Within the 1.5 SG band, the following are compatible per the Snyder chemical-resistance chart at the listed concentration, and chart ratings are concentration- and temperature-specific: Acetic Acid (60%, PP/PVC fittings, EPDM gaskets); Aluminum Sulfate (50%, PVC, EPDM); Calcium Chloride (40%, PVC, EPDM); DEF (32.5%, 316SS fittings, EPDM); Ferrous Sulfate (20%, PVC, EPDM); Magnesium Chloride (30%, PVC, EPDM); Sodium Carbonate (30%, PVC, EPDM); and Urea Solution (50%, PP/PVC, EPDM). Ozonated Water (up to 10 PPM, PVC, EPDM) is also within band, but it has no published page yet - call 866-418-1777 to confirm its rating. Note the wetted-component outliers: tank rating is not the same as fitting rating. DEF needs 316SS fittings, not PVC, and most of these chemicals run EPDM gaskets - match your gasket and fitting material to the chemical, not just the tank. Full ratings live in our Chemical Compatibility Database.

The mistake to avoid: confirm SG before you fill

The biggest error on a cone bottom tank is overrunning the 1.5 SG rating. Heavier chemicals require a 1.9 SG tank instead, so do not put any of these in this tank: Ethylene Glycol, Ferric Chloride, Ferric Sulfate, Hydrochloric Acid, Hydrofluoric Acid, Hydrofluosilicic Acid, Hydrogen Peroxide, Peracetic Acid, Phosphoric Acid, Polyaluminum Chloride, Potassium Carbonate, Potassium Hydroxide, Propylene Glycol, Sodium Bisulfate, Sodium Bisulfite, Sodium Hypochlorite, Sodium Thiosulfate, Sulfuric Acid, and Zinc Orthophosphate. Several of these are doubly disqualifying because they also call for Viton or CPVC wetted parts rather than EPDM/PVC: Hydrochloric Acid, Hydrofluoric Acid, Hydrofluosilicic Acid, Hydrogen Peroxide, and Sulfuric Acid (CPVC) and Sodium Hypochlorite (Viton), while Peracetic Acid needs 316SS with Aflas gaskets - never reuse a 1.5 SG tank or standard EPDM/PVC gaskets for those. For any chemical on this list you need the 1.9 SG version of this cone; call 866-418-1777 for the matching Snyder 6500 cone bottom in 1.9 SG. For level monitoring on chemical duty, the tank level gauge selection guide compares radar, ultrasonic, hydrostatic, and magnetostrictive options, and the tank label and signage compliance guide covers NFPA 704, GHS, and DOT placarding for bulk storage. If secondary containment is part of your spec, the Snyder Captor Plus 110% containment vs UL-142 / SPCC comparison lays out the options.

This tank ships LTL from the Snyder plant in Lincoln, NE, with freight quoted live to your ZIP - get your number on the Freight Cost Estimator or call 866-418-1777. Because of the 273-inch height and roughly 81,315 lb loaded weight, confirm offload equipment and stand readiness before delivery.