550 Gallon 15 Degree Plastic Vertical Cone Bottom Tank with Stand

The Enduraplas 550 Gallon 15 Degree Plastic Vertical Cone Bottom Tank with Stand (SKU THC00550K) is built for processes that need to drain completely — mixing, batching, settling, and chemical dosing where you do not want product left sitting in the bottom. The 15-degree cone floor pushes contents toward the outlet so the tank empties cleanly between runs, and the included stand holds the cone off the ground so you can plumb a bottom drain and valve underneath. This is the tank people search for when they look for a plastic cone bottom tank, a 550 gallon vertical cone tank, or a cone bottom tank with stand.

Will it work for your process?

Capacity is 550 gallons. The assembly stands 59 inches tall on a 60 by 60 inch footprint — that is the tank, cone, and stand together, and the stand height is the number most buyers get wrong on a first cone-bottom purchase, so measure your pad, doorway, and overhead clearance before ordering. Full of water the assembly carries about 4,587 pounds before you add any product weight, so the pad or floor under the stand legs has to be rated for that load plus your fluid. Run the numbers against your own liquid with the Tank Sizing Calculator and the Tank Sizing Guide. See the technical drawing on this page for the cone angle, stand geometry, and fitting locations.

Match the tank to your chemical

Cone bottom tanks are most often bought for chemical service, and the single most important number is specific gravity — the density of your fluid relative to water. This listing does not carry a published specific gravity rating, so before you commit the tank to any chemical heavier than water, call 866-418-1777 and confirm the resin and the tank's rated specific gravity for your fluid. Do not assume a standard rating covers a concentrated acid, a heavy brine, or a high-density slurry — a tank rated for one fluid can be under-rated for another. Confirm resin type and rating first, then verify your specific product against the manufacturer's concentration- and temperature-specific chemical-resistance chart. Our Chemical Compatibility Database is the starting point for that check, and it will flag when a fluid needs a higher specific-gravity tank than the one you are looking at.

Fittings and how it ships

Because outlet size, valves, and gaskets vary by build, confirm the fitting configuration for this tank by phone before you order — call 866-418-1777 and we will confirm fittings along with resin and specific-gravity rating for your application. This is a large cone bottom tank with a stand, so it ships LTL freight on a pallet and is quoted per destination. Enter your ZIP in the Freight Cost Estimator for a live rate to your door. Listed price is the tank; freight is quoted separately to your ZIP.

New to cone-bottom tanks? Our buyer's guides walk through cone angle, stand height, and drain plumbing on comparable units. Start with the closest capacity match, the 550 gallon cone bottom tank with poly stand buyer's guide — note it covers a 20-degree cone versus the 15-degree floor here — then compare the 300 gallon, 310 gallon, and 175 gallon guides to see how cone angle and capacity change the footprint.