The Snyder Industries 225 Gallon Plastic Chemical Injection Tank is a 1.9 specific-gravity vessel molded in high-density linear polyethylene (HDLPE) for metering and storing aggressive liquids at full strength. It stands 72 inches tall on a long rectangular 54 x 89 inch footprint, holds 225 gallons nominal capacity, and the white tank wall lets you read liquid level at a glance. The 1.9 SG rating is the whole point of this chemical tank: it carries dense, concentrated chemistry that would overload a standard 1.5 SG water or chemical tank.
Will it work for your application
Capacity is 225 gallons nominal. Plan your stand, slab, and tie-downs around the loaded weight, not the empty shell: filled with water this tank weighs about 1,876 lb, and at its full 1.9 SG rating the maximum rated contents weight reaches 3,565 lb. Size the pad and any secondary containment to that 3,565 lb figure before you order. Because this is a tall (72 in) tank on a long rectangular 54 x 89 in base, confirm doorway and overhead clearance for placement and size your containment to the 54 x 89 footprint, not a round pad. If you are weighing this against other sizes, the Tank Sizing Calculator and Tank Sizing Guide walk you through volume, weight, and footprint together.
Chemical compatibility
This tank is molded in HDLPE and carries a 1.9 specific-gravity rating, so it is built for heavy, concentrated chemistry rather than light water service. At 1.9 SG this shell already covers every chemical listed below at its listed concentration, so no heavier tank is required for these services. Compatibility still depends on resin, concentration, temperature, and the fitting and gasket materials you bolt to it, so confirm every install against the manufacturer's chemical-resistance chart for your exact concentration and operating temperature. The chemicals below are commonly run in this 1.9 SG HDLPE tank, with the typical fitting and gasket pairing for each:
- Acetic Acid (60%) - PP/PVC fittings, EPDM gaskets
- Aluminum Sulfate (50%) - PVC fittings, EPDM gaskets
- Calcium Chloride (40%) - PVC fittings, EPDM gaskets
- DEF (32.5%) - 316SS fittings, EPDM gaskets
- Ethylene Glycol (100%) - PVC fittings, EPDM gaskets
- Ferric Chloride (50%) - PVC fittings, EPDM gaskets
- Ferric Sulfate (60%) - PVC fittings, EPDM gaskets
- Ferrous Sulfate (20%) - PVC fittings, EPDM gaskets
- Hydrochloric Acid (37%) - PVC fittings, Viton gaskets
- Hydrofluoric Acid (48%) - PP/PVC fittings, Viton gaskets
- Hydrofluosilicic Acid (26%) - PP/PVC fittings, Viton gaskets
- Hydrogen Peroxide (50%) - PVC fittings, Viton gaskets
- Magnesium Chloride (30%) - PVC fittings, EPDM gaskets
- Peracetic Acid (30%) - 316SS fittings, Aflas gaskets
- Phosphoric Acid (85%) - PVC fittings, Viton gaskets
- Polyaluminum Chloride - PVC fittings, EPDM gaskets
- Potassium Carbonate (50%) - PVC fittings, EPDM gaskets
- Potassium Hydroxide (saturated) - PVC fittings, EPDM gaskets
- Propylene Glycol - PP/316SS fittings, EPDM gaskets
- Sodium Bisulfate - PVC/PP fittings, EPDM gaskets
- Sodium Bisulfite - PVC/PP fittings, EPDM gaskets
- Sodium Carbonate (30%) - PVC fittings, EPDM gaskets
- Sodium Hypochlorite (<16.5%) - PVC fittings, Viton gaskets
- Sodium Thiosulfate (40%) - PVC fittings, EPDM gaskets
- Sulfuric Acid (98%) - CPVC fittings, Viton gaskets
- Urea Solution (50%) - PP/PVC fittings, EPDM gaskets
- Zinc Orthophosphate - PP/316SS fittings, EPDM gaskets
- Ozonated Water (up to 10 PPM) - PVC fittings, EPDM gaskets
Match your gasket to the chemical, not to the tank: EPDM for most salts and bases, Viton for the acids and oxidizers flagged Viton above (hydrochloric, hydrofluoric, hydrofluosilicic, hydrogen peroxide, phosphoric, sulfuric, and sodium hypochlorite), and Aflas for peracetic acid. For the full picture, work from our Chemical Compatibility Database and select level instrumentation that suits your chemistry with our guide on tank level gauge selection for chemical service.
The mistake to avoid
The error that ruins an install with a tank like this is matching the fitting and gasket to the tank instead of to the chemical. The HDLPE shell handles a wide range, but a PVC fitting and EPDM gasket that are fine for aluminum sulfate will fail under sulfuric acid, which needs CPVC and Viton, or under peracetic acid, which needs 316SS and Aflas. Spec your bulkhead fittings, valves, and gaskets per chemical and concentration from the OEM chart before you plumb, and consult the manufacturer drawing for fitting locations and dimensional detail. If you are storing or transferring concentrated product, get your labeling and signage right too with our guide to tank label and signage compliance for bulk polyethylene storage, and build a sampling routine using our tank chemical sampling protocol.
This Snyder 225 gallon white chemical tank ships LTL from the Snyder plant in Marked Tree, Arkansas, with freight quoted live to your ZIP. Get your number instantly with the Freight Cost Estimator, or call 866-418-1777 and we will help you confirm the right tank, fittings, and delivery for your chemical injection project.
