A 12500 gallon black double wall tank for water-weight liquids
Snyder part number 1031100N49 is a 12500 gallon double wall tank in black polyethylene: an inner tank inside an outer containment shell, so the tank carries its own secondary containment. It is 142 inches in diameter, 274 inches tall and weighs 8,500 lb empty. On top is an 18 inch threaded vented manway. The wall is rated for liquids up to 1.5 specific gravity with a service limit of 120 F. 12500 gallons of water weighs 104,250 lb; at the full 1.5 rating the contents can weigh about 156,400 lb. Snyder backs it with a 3 year warranty. Black keeps light off the contents, which slows algae in stored water.
Is 1.5 enough for your liquid? Call 866-418-1777 with the liquid, its strength and its working temperature, or get freight to your ZIP and add it to your cart above.
Where it goes
This is bulk contained storage for liquids near the weight of water at ambient temperature: water and dilute solutions at a treatment works, process water, bulk liquids at a site where a release must stay off the ground or out of a drain. The 1.5 rating gives margin over water without paying for the heavier wall a dense chemical needs; if your liquid is heavier than 1.5 times water, ask us for a version rated higher. The 120 F limit rules out liquids held hot. The pad is a civil job at this size: about 156,400 lb on a 142 inch circle wants a designed, cured, level slab. Indoors, measure 274 inches plus a platform above the manway. A contained tank gives less usable volume than its nameplate once freeboard and expansion are allowed for; our Snyder double wall freeboard sizing guide works that through, and the tank sizing calculator and tank sizing guide cover turnover. The headspace wall thickness guide explains why inspection starts at the vapour line. For a fire protection reserve, read the fire water reservoir design guide before you size it.
Openings, and what to confirm before you buy
- Manway. One 18 inch threaded vented manway on top: fill point, inspection point and vent in one, so never blank it off. At 274 inches it needs a fixed ladder or platform with fall protection.
- Outlet. No outlet or fitting is listed on this product. Tell us the line size, valve and pump arrangement and we will confirm with Snyder what this part number carries.
- The liquid. Tell us what goes in and at what strength, so gaskets and valves are chosen once.
- The space between the walls. No leak detection is listed with the tank. Specify it separately and inspect on a written schedule. Snyder's drawing is linked under Technical Drawing on this page.
Other 12500 gallon versions, and one size down
Snyder sells this 142 inch body under several part numbers that differ in resin and rating rather than size: the 12500 gallon HDPE double wall tank 1031100N45, the 12500 gallon XLPE double wall tank 1031100N40 and the 12500 gallon sulfuric acid double wall tank 1031100N30; each page states its own rating. One size down is the 10000 gallon sulfuric acid double wall tank 1006600N30. More than one black 12500 gallon version shares this product name, so order by part number.
Shipping and receiving
The tank ships LTL at freight class 250 from Snyder's Lincoln, Nebraska plant, 142 by 142 by 274 inches at 8,500 lb. A load this size may be routed to us by phone rather than priced online; call if the estimator sends you there. Plan the route, the crane and the set position before it leaves the plant, and lift from the base, never by the manway. Set it plumb on the cured slab, fill it with water and hold the 104,250 lb load while you check the manway seal and the base. Drain, dry, inspect the space between the walls and write the date on the shell. At the tailgate, check the bill of lading against 1031100N49.
Ready to order? Add it to your cart at the top of this page, get LTL freight to your ZIP, or call 866-418-1777. The listed price is before freight.
Freight and documents
Ships from: Lincoln, NE. LTL freight is quoted to your ZIP with the freight cost estimator or by phone at 866-418-1777. The listed price is before freight.
Technical drawing (PDF) for Snyder Industries 1031100N49.
See this tank
Interactive 3D model with live fill. This tank has an interactive 3D model built to its manufacturer dimensions. Rotate it, and set a fill level to see how much liquid it holds at any height. Open the 3D view on the product photo above. Download the 3D model (GLB).
Ready to order?
Add it to your cart at the top of this page, get LTL freight to your ZIP, or call 866-418-1777. The listed price is before freight.
