The Snyder Industries 200 Gallon HDPE Vertical Liquid Storage Tank is a white polyethylene vertical storage tank rated to a 1.9 specific gravity, built to ASTM D1998 and ready for heavy liquid duty. It stands 57 inches tall on a 40-by-40-inch footprint, so it occupies a compact 40-inch-square pad while giving you a true 200 gallons of vertical storage. The 1.9 SG rating is the number to anchor on: it means the tank wall is engineered to carry liquids up to 1.9 times the density of water, which is why this 200 gallon vertical tank handles far more than just plain water.
Will it work for your liquid?
Filled with water, the tank carries 1,668 pounds; at its maximum rated contents weight it is built to hold up to 3,169 pounds, the figure that reflects the full 1.9 SG capability. Use those two numbers to size your pad and tie-downs: a stand or slab that is fine under 1,668 pounds of water can be undersized once you fill with a denser liquid approaching the 3,169-pound ceiling. Outlet and access are covered by the fittings shown on the technical drawing on this page, which include a flange, a 14-inch PE threaded and vented port, and a manway with 11-3/8-inch access for inspection and cleanout. Because the 14-inch port is vented, this is an atmospheric, non-pressurized vessel, so don't plan to seal it tight or pressurize it. Verify the manway and flange gasket sizes and the threaded port's thread match against the technical drawing before you order any vent cap, bulkhead fitting, or downstream plumbing you intend to supply. If you are still deciding between sizes, the Tank Sizing Calculator and our Tank Sizing Guide walk you through matching capacity and footprint to your application, and the 200 Gallon Vertical Liquid Storage Tank buyer's guide covers this exact size in depth.
The mistake to avoid
The most common error on a high-SG tank like this one is treating it as a water-only tank and sizing the foundation off the 1,668-pound water weight. Because this vessel is rated to 1.9 SG, a denser liquid can push loaded weight toward 3,169 pounds, so build the base and anchoring to the rated contents weight, not the water weight. These figures are filled weights; the tank ships empty and light enough to set by hand or light equipment, but plan your pad and tie-downs to the 3,169-pound rated load. It is also worth understanding where polyethylene tanks wear over time: our guide on HDPE tank wall thickness at the vapor-saturated headspace explains why the upper wall, not the liquid line, is where premature failures begin, and how the ASTM D1998 sizing logic behind this tank's rating accounts for it.
Freight and ordering
This 200 gallon HDPE vertical storage tank ships LTL from the Snyder plant in Marked Tree, Arkansas, on a freight carrier rather than parcel ground. Freight is quoted live to your ZIP code, so enter your delivery point in the Freight Cost Estimator for a real number on your shipment, or call us at 866-418-1777 and we will quote it for you and confirm fitting and access details against the technical drawing before you order. Need to store a liquid heavier than 1.9 SG? Call 866-418-1777 and we'll match you to a higher-rated Snyder vessel.
