The Snyder Industries 440 Gallon Plastic Chemical Feed Station Tank is purpose-built for bulk chemical dosing, molded from high density linear polyethylene (HDLPE) in white and rated to a 1.9 specific gravity. That 1.9 SG rating is the headline number for a chemical feed station: it means the wall is engineered to hold liquids up to 1.9 times the weight of water, so dense chemistries like sulfuric acid (98%) and ferric chloride (50%) stay inside the tank's design envelope instead of stressing a wall meant only for water. Beyond acids and coagulants, the resistance chart also confirms DEF (32.5%), urea solution (50%), and glycols, so the same white shell serves water-treatment dosing, DEF blending, and glycol storage. At 88 inches tall on a 68 x 83 inch footprint, this is a tall, freestanding chemical tank built to stand alongside your metering pumps and dosing skid.
Will it work for your application?
The 440-gallon working capacity holds 3,670 lb of water when full. Because this tank carries a 1.9 SG rating, it can carry contents up to 6,972 lb at its maximum rated density, so you have real density headroom for heavy chemical solutions rather than the slim margin a 1.0 or 1.1 SG water tank gives you. Confirm your foundation and any secondary containment basin are sized for that loaded weight on the 68.0 x 83.0 inch footprint, and check overhead clearance against the 88-inch height before you set it. For help converting your dosing rate and refill cycle into the right working volume, run the Tank Sizing Calculator or read the Tank Sizing Guide. Confirm molded fitting and outlet locations on the technical drawing on this page or by calling 866-418-1777, so your pump suction and fill lines land where you need them.
Chemical compatibility
This is an HDLPE tank rated to 1.9 SG, which makes it suitable for a broad range of chemical-feed chemistries. The 1.9 SG rating is the top of the range for this tank, so the wall is already specified for the densest service it lists. Always size your fittings, gaskets, and valves to the specific chemical and concentration, and verify against the OEM chemical-resistance chart for your exact concentration and operating temperature before committing the tank to service. Confirmed-compatible chemistries for an HDLPE tank, drawn from that chart, include:
- Sulfuric Acid (98%) — CPVC fittings, Viton gaskets
- Hydrochloric Acid (37%) — PVC fittings, Viton gaskets
- Phosphoric Acid (85%) — PVC fittings, Viton gaskets
- Acetic Acid (60%) — PP/PVC fittings, EPDM gaskets
- Hydrofluoric Acid (48%) — PP/PVC fittings, Viton gaskets
- Hydrofluosilicic Acid (26%) — PP/PVC fittings, Viton gaskets
- Ferric Chloride (50%) — PVC fittings, EPDM gaskets
- Ferric Sulfate (60%) — PVC fittings, EPDM gaskets
- Ferrous Sulfate (20%) — PVC fittings, EPDM gaskets
- Aluminum Sulfate (50%) — PVC fittings, EPDM gaskets
- Polyaluminum Chloride — PVC fittings, EPDM gaskets
- Sodium Hypochlorite (<16.5%) — PVC fittings, Viton gaskets
- Hydrogen Peroxide (50%) — PVC fittings, Viton gaskets
- Peracetic Acid (30%) — 316SS fittings, Aflas gaskets
- Potassium Hydroxide (saturated) — PVC fittings, EPDM gaskets
- Potassium Carbonate (50%) — PVC fittings, EPDM gaskets
- Sodium Carbonate (30%) — PVC fittings, EPDM gaskets
- Sodium Bisulfite — PVC/PP fittings, EPDM gaskets
- Sodium Bisulfate — PVC/PP fittings, EPDM gaskets
- Sodium Thiosulfate (40%) — PVC fittings, EPDM gaskets
- Calcium Chloride (40%) — PVC fittings, EPDM gaskets
- Magnesium Chloride (30%) — PVC fittings, EPDM gaskets
- Zinc Orthophosphate — PP/316SS fittings, EPDM gaskets
- DEF (Diesel Exhaust Fluid) (32.5%) — 316SS fittings, EPDM gaskets
- Urea Solution (50%) — PP/PVC fittings, EPDM gaskets
- Ethylene Glycol (100%) — PVC fittings, EPDM gaskets
- Propylene Glycol — PP/316SS fittings, EPDM gaskets
- Ozonated Water (up to 10 PPM) — PVC fittings, EPDM gaskets
Match the fitting and gasket material to your chemistry exactly: the same tank can call for EPDM on a glycol or carbonate and Viton on an oxidizer like sodium hypochlorite or hydrogen peroxide, and 316SS on DEF. Peracetic acid is the outlier — the chart calls for Aflas, not Viton. Browse the full Chemical Compatibility Database to confirm your chemical, concentration, and temperature before ordering.
The mistake to avoid
The costly error on a chemical feed station is treating the tank wall and the wetted hardware as one decision. The 1.9 SG HDLPE shell gives you density headroom, but it does not make every fitting and gasket compatible — installing an EPDM gasket on a strong oxidizer, or a plain PVC valve where the chart calls for CPVC or 316SS, is how a "compatible" tank still fails at the connections. Plan secondary containment for the loaded weight from the start; our Snyder Captor 110% containment vs UL-142 / SPCC comparison walks through sizing that basin. Build the right level instrumentation in too — see our guide on tank level gauge selection for chemical service and our tank label and signage compliance reference before commissioning.
This Snyder white chemical tank ships LTL freight from the plant in Marked Tree, AR, quoted live to your ZIP. Get your number in seconds with the Freight Cost Estimator, or call 866-418-1777 to confirm fittings, level gauge, and delivery for your chemical feed station. List price shown is before freight.
