The Snyder Industries 500 Gallon Heavy Duty Cone Bottom Tank (SKU 6190000N51) is built for full-drain chemical and industrial service where gravity discharge and a high specific-gravity rating matter. Molded in black high density linear polyethylene (HDLPE) with a 1.9 specific gravity rating, this 500 gallon cone tank stands 63 inches tall on a 64 by 64 inch footprint and is engineered to hold dense liquids that would overstress a standard 1.5 SG tank. The sloped cone bottom drains completely to the discharge flange, so there is no heel of product or sediment left behind between batches. At 1.9 SG this is Snyder's heaviest-duty rating for this size, so there is no higher-SG step-up to move to if your liquid runs denser than expected.
Will it work for your application?
This tank carries a 1.9 specific gravity rating, meaning it is rated for liquids weighing up to 1.9 times the weight of water. Filled with plain water it holds roughly 4,170 lbs; loaded with a 1.9 SG chemical it is rated to carry up to 7,923 lbs of contents. The supporting stand and the floor beneath it must both be sized to that 7,923 lb rated load, not the 4,170 lb water weight. The factory fitting package shown on the technical drawing on this page includes a discharge flange at the cone tip, an 18 inch polyethylene threaded and vented port that serves as the fill and venting path, and a manway with a 15 inch access opening for hand and tool entry during inspection, gauge or mixer installation, and cleaning. Confirm your supply and discharge plumbing against those fittings before you order. A cone-bottom tank cannot stand on its own and requires a matching, load-rated stand sized to the full 7,923 lb contents weight. For sizing help, use the Tank Sizing Calculator, review the Tank Sizing Guide, and check the Cone Bottom Tank Stand Compatibility Matrix for the correct stand.
Chemical compatibility
This tank is molded HDLPE with a 1.9 specific gravity rating. Because the resin designation here is recorded as HDLPE, confirm HDLPE versus XLPE (cross-linked polyethylene) with us before committing to aggressive chemical service, since cross-linked walls resist some oxidizers and strong acids differently. Per the OEM chemical-resistance chart, which is concentration- and temperature-specific, this tank pairs with the following media when you match the listed fitting and gasket materials: Acetic Acid (60%, PP/PVC fittings, EPDM gaskets), Aluminum Sulfate (50%, PVC, EPDM), Calcium Chloride (40%, PVC, EPDM), DEF (32.5%, 316SS, EPDM), Ethylene Glycol (100%, PVC, EPDM), Ferric Chloride (50%, PVC, EPDM), Ferric Sulfate (60%, PVC, EPDM), Ferrous Sulfate (20%, PVC, EPDM), Hydrochloric Acid (37%, PVC, Viton), Hydrofluoric Acid (48%, PP/PVC, Viton), Hydrofluosilicic Acid (26%, PP/PVC, Viton), Hydrogen Peroxide (50%, PVC, Viton), Magnesium Chloride (30%, PVC, EPDM), Peracetic Acid (30%, 316SS, Aflas), Phosphoric Acid (85%, PVC, Viton), Polyaluminum Chloride (PVC, EPDM), Potassium Carbonate (50%, PVC, EPDM), Potassium Hydroxide (saturated, PVC, EPDM), Propylene Glycol (PP/316SS, EPDM), Sodium Bisulfate (PVC/PP, EPDM), Sodium Bisulfite (PVC/PP, EPDM), Sodium Carbonate (30%, PVC, EPDM), Sodium Hypochlorite (under 16.5%, PVC, Viton), Sodium Thiosulfate (40%, PVC, EPDM), Sulfuric Acid (98%, CPVC, Viton), Urea Solution (50%, PP/PVC, EPDM), Zinc Orthophosphate (PP/316SS, EPDM), and Ozonated Water (up to 10 PPM, PVC, EPDM). Always verify your exact concentration and operating temperature against the OEM chart and our Chemical Compatibility Database before ordering.
The mistake to avoid
The most common error on a high-SG cone tank is matching the gasket and fitting to the tank wall instead of to the chemical. The HDLPE body handles a wide range of media, but the wrong elastomer or port material fails first. Oxidizers and strong acids such as Sulfuric Acid, Hydrochloric Acid, Hydrogen Peroxide, and Sodium Hypochlorite require Viton gaskets (and CPVC fittings for 98% sulfuric), while Peracetic Acid calls for Aflas, not the EPDM used for salts and glycols. Just as important, DEF and Peracetic Acid require metallic 316 stainless fittings, and Propylene Glycol and Zinc Orthophosphate call for PP/316SS — PVC is not on their compatibility line, so do not default a DEF build to a PVC bulkhead. Spec the fitting and gasket material to your specific chemical and concentration, and never assume the standard EPDM kit covers an aggressive oxidizer.
This tank ships LTL freight from the Snyder Industries plant in Lincoln, NE, as a single oversized piece, with the cost quoted live to your ZIP code. Because the cone geometry does not self-stand, it crates and palletizes differently than a flat-bottom vertical, and the 64 by 64 inch footprint drives the crate dimensions and freight class. Get a freight estimate to your ZIP with our Freight Cost Estimator or call 866-418-1777 to confirm fittings, the correct load-rated stand, and chemical compatibility before you order. For deeper background, see the 500 Gallon 30 Degree Cone Bottom Tank buyer's guide, the 45 degree version, and the Snyder Captor Plus 110% Containment vs UL-142 / SPCC comparison.
