The Snyder Industries 3000 Gallon Heavy Duty Cone Bottom Tank (SKU 5150000N51) is a black high-density linear polyethylene cone tank built for full-drain chemical and process duty, rated to 1.9 specific gravity. At 144 inches tall on a 90 x 90 inch footprint, it holds 3,000 gallons and uses a sloped cone bottom so liquid evacuates completely instead of pooling. The 1.9 SG rating is the number that matters here: it tells you the tank wall is engineered for dense liquids, not just water, which is why this is a chem-service tank rather than a plain water cone.
Will it work for your application?
This tank carries the fittings shown on the technical drawing on this page: a FLANGE, an 18-inch PE threaded and vented fitting, and a MANWAY with 15-inch access for entry, cleaning, and inspection. Treat those drawing fittings as standard PE hardware - for chemical service you spec the chemical-rated PP, PVC, CPVC, or 316SS fitting your liquid calls for per the compatibility table below, rather than assuming the stock fittings suit your chemical. Filled with water at 3,000 gallons the contents weigh 25,020 pounds; at the full 1.9 SG rating the tank is built to carry up to 47,538 pounds of product. Use those numbers when you size the cone-bottom stand and the slab beneath it - the support structure, not the tank, is usually the limiting factor on a heavy cone install. The Tank Sizing Calculator and Tank Sizing Guide help you confirm volume and loading before you commit, and the Cone Bottom Tank Stand Compatibility Matrix covers which stands pair with Snyder cones. For a deeper look at this exact size, see the 3000 Gallon 15 Degree Cone Bottom Tank buyer's guide and the 3000 Gallon 30 Degree Cone Bottom Tank guide.
Chemical compatibility
This is an HDLPE tank rated to 1.9 specific gravity. Per the OEM chemical-resistance chart, which is always concentration- and temperature-specific, this tank handles Acetic Acid (60%) with PP/PVC fittings and EPDM gaskets, Aluminum Sulfate (50%), Calcium Chloride (40%), Magnesium Chloride (30%), Sodium Carbonate (30%), Potassium Carbonate (50%) and Potassium Hydroxide (saturated) all with PVC fittings and EPDM gaskets, plus Ethylene Glycol (100%) and DEF (32.5%, 316SS fittings, EPDM). Iron-salt coagulants are well supported: Ferric Chloride (50%), Ferric Sulfate (60%), and Ferrous Sulfate (20%), all PVC/EPDM. The aggressive acids require Viton gaskets - Hydrochloric Acid (37%), Hydrofluoric Acid (48%, PP/PVC), Hydrofluosilicic Acid (26%, PP/PVC), Hydrogen Peroxide (50%), Phosphoric Acid (85%), Sodium Hypochlorite (under 16.5%), and Sulfuric Acid (98%, CPVC fittings). Peracetic Acid (30%) needs 316SS fittings with Aflas gaskets. Also supported: Sodium Thiosulfate (40%), Urea Solution (50%), Polyaluminum Chloride, Sodium Bisulfate and Sodium Bisulfite (PVC/PP), Zinc Orthophosphate and Propylene Glycol (PP/316SS), and Ozonated Water up to 10 PPM. Match your fitting and gasket material to your specific chemical and confirm against the Chemical Compatibility Database before ordering. Common pages: Sulfuric Acid, Hydrochloric Acid, Sodium Hypochlorite, Ferric Chloride, and DEF.
The mistake to avoid
The number-one error on a tank like this is reading the 1.9 SG rating as a blanket guarantee. Specific gravity tells you the tank can carry the weight of a dense liquid - it does not tell you the resin resists your chemical, and it does not tell you which fitting and gasket materials survive. Notice how the recommended materials shift across the list above: EPDM works for the salts and bases, but the strong oxidizers and acids demand Viton, and Sulfuric Acid (98%) calls for CPVC fittings rather than PVC. Spec the wrong gasket and you get a leak at the fitting long before the tank wall ever fails. At 1.9 SG this is Snyder's heavy-duty rating; there is no denser-rated cone above it, so confirm your liquid's specific gravity falls at or below 1.9 at service temperature. One more item: the tank resin is listed as HDLPE - if your data sheet shows it as unconfirmed, verify HDLPE versus XLPE before chemical service, because crosslinked polyethylene resists some chemicals that linear polyethylene does not.
This 3,000 gallon Snyder cone tank ships LTL from the Lincoln, NE plant, with freight quoted live to your ZIP - size your stand and slab for the full 47,538 lb rated load, then get your number from our Freight Cost Estimator or call 866-418-1777. If you are weighing wall thickness and containment strategy for chemical storage, the Snyder Captor Plus 110% Containment vs UL-142 comparison is worth a read before you finalize your spec.
