750 Gallon Black Heavy Duty Vertical Storage Tank

Why the smallest tank on this lane is the cheapest one to get to site

Freight is the part of a small tank purchase that surprises people, so start there. This one is molded at Chowchilla, California and rated class 300, and the shipping size is 72 inches by 72 inches by 50 inches at 175 pounds. Four feet two inches tall is the important figure: a low shipment rides under and beside other freight instead of claiming the height of a trailer, which is exactly what an LTL lane rewards, and nothing about this load needs a permit, an escort or a crane. For a Western buyer the plant is a short lane on top of that, and for anyone buying two or three tanks at once the whole order can be quoted on one truck rather than one tank at a time. What lands is light enough that the site work, not the delivery, is the real job. A 72 inch circle carries every pound of the 11,884 the sheet allows at a specific gravity rating of 1.9 through a floor that bears on the surface it touches and nothing else, so the pad is flat, level, cured, continuous and poured wider than six feet, with the overflow taken away from the edge; the framework is in the concrete pad sizing guide. At 175 pounds empty it is the lightest tank in this batch and the easiest for a storm to move, so band it before it is filled rather than after. And settle the volume question on arithmetic: 750 gallons against your draw, your refill interval and the reserve you never dip into, using the tank sizing calculator and the tank sizing guide together instead of buying to the space available.

Two 750s in one shell: this black one and its natural white twin

This tank and the natural white SII-1008500C26 are the same 72 by 50 inch shell, and the sheet prints no empty weight for that twin at all, so no weight is claimed for it on this page. The choice between the pair is the wall and only the wall: take the black one when the tank stands in the open and sunlight reaching the contents is a problem, and take the white one when reading a level through the plastic is worth more than shading the liquid. Everything else on the sheet is a change of shape. The 68 by 66 inch pair, 5990900N42 and the black 5990900N48, both at 155 pounds, hold the same 750 gallons a foot and four inches taller on a narrower base, which is the trade when floor is tighter than headroom. The 710 gallon 1700200N42 is narrower again at 60 inches and heavier at 185 pounds for forty fewer gallons. The 850 gallon 1810000C34 is the slim, tall extreme at 48 by 117 inches and 210 pounds. Against all of them the case for this one is that it is the black wall at the lowest height in the family, 750 gallons that hide under a shelf, a low roof or a fence line.

Neighboring size a better fit? Every row links to its own page; freight to your ZIP is quoted on each, or call 866-418-1777.

The manway you reach standing on the pad, and the outlet at your ankle

• Access is the reason to like this shell: the 18 inch threaded vented manway sits 50 inches up, four feet two inches, which is reachable standing flat on the pad. No step, no platform, no excuse for not looking inside. Keep it shut against dust and insects, and keep the vent clear every single time it is closed.
• Vent, then pump: a shallow 750 gallon column over a 72 inch base empties quickly at the end of a draw, so air has to enter as fast as liquid leaves. A blocked vent with a pump running collapses a polyethylene wall inwards, and on a black tank that damage is hard to spot until it is bad.
• Outlet: a 2 inch polypropylene female NPT bulkhead fitting at the base, as the sheet lists it, four feet two inches below the top of the shell. That is the least standing head in this batch, so mount the pump below the fitting on its own base with a short, straight, falling suction line, a cleanable strainer and a low level cut-out that stops it before it runs dry.
• Protect the fitting: on a 50 inch tank the outlet is at ankle height in the middle of whatever traffic shares the pad. Kerb it or bollard it, keep it out of a buried box, and put a union or flange downstream so valve changes never touch the bulkhead itself.
• Limits: no maximum operating temperature and no warranty term are published on this sheet, so none is asserted here. The specific gravity rating of 1.9 allows up to 11,884 pounds of contents and says nothing about temperature or chemical compatibility; tell us the liquid and we will get Snyder's written position for this part number before you order.

Put a flexible connector in the first joint so thermal movement and pump starts load the pipe support rather than the polyethylene, carry the first valve off the pad on its own foot, and protect the valve and the exposed run where it freezes instead of trying to heat 750 gallons. One small-tank habit worth keeping: because this one is easy to open, log the date every time it is opened and cleaned. Tanks that are easy to inspect get inspected, and the record is what tells you whether the contents or the shell is changing.

Sun, sight lines and short jobs

The black 750 is the tank for outdoor duty where nobody wants light in the liquid and nobody wants the vessel to show: liquid fertilizer or agricultural chemical stock in an open farm yard, a mix or nurse tank feeding a sprayer, wash-down and rinse water on an exposed pad, water held through a season without turning green, a dosing tank beside a small treatment skid, construction and dust control water on a job that moves, and storage in a low shed or under a mezzanine where four feet two inches is all the height there is. It is also the tank that suits a temporary installation, because 175 pounds empty means two people and a pallet truck can reposition it between jobs. Water stored as a fire reserve is a separate, designed thing rather than a tank full of water, decided by the draw rate, the connection and the freeze protection around it, and the fire-water reservoir design guide works through what it takes to make that claim honestly at any size.

One California lane, class 300, 175 pounds and nothing to permit

The SII-1008500C34 ships from Chowchilla, California at class 300 as the sheet lists it, shipped 72 inches by 72 inches by 50 inches. This is the easiest delivery in the family: 175 pounds, a low shipment, ordinary LTL freight, no permit and no crane. The freight cost estimator prices the lane to your ZIP, and the listed price is before freight. The only thing that reliably goes wrong is unloading, because six feet of width will not go through a standard doorway and will not come off a deck by hand alone; have a forklift, a telehandler or four people and a clear approach arranged before the truck arrives. Check the shell all over when it lands rather than only the top and the base, since a low, wide tank is the one most likely to have had freight stacked against it. The last job before it goes into service is a clean water fill and a hold, with the pad edge and the 2 inch bulkhead read while the water is in it. Once it is full and holding, leave it alone for a day before the plumbing goes on; a settled tank is a quiet one.