Snyder Industries 250 Gallon XLPE Vertical Storage Tank 1.9 S.G.

What cross-linking buys

Linear polyethylene softens with heat and creeps under sustained load; cross-linked polyethylene is molded with a catalyst that ties the polymer chains into one network, so it holds its shape under a dense liquid, resists the stress cracking oxidizers cause, and tolerates heat. The trade is that it cannot be plastic-welded, so any added port is a bulkhead through a drilled hole, decided before the tank is filled. Full, the tank puts 3,962 pounds on a 34 inch circle at the rating; a paver pad or a slab in full contact supports that, and the concrete pad sizing guide covers a shared slab. Strap it to a wall; a 34 inch base under 83 inches of dense liquid has a high center of gravity. The tank sizing calculator turns the pump's rate and the refill schedule into a tank size, and the tank sizing guide covers the reserve a day tank carries.

Resins and shapes at 250 gallons

The N45 is the linear-resin twin at the same weight, for milder chemicals and a lower price. The 1008100N42 is the other cross-linked 250, 19 inches shorter on a 36 inch base with an 18 inch manway, and the 5740100N42 lays 275 gallons down to 59 inches on a 47 inch base for under a bench. The 1012900C26 is the general 210 gallon tank.

Want us to check the fit? Send the site dimensions to 866-418-1777 or through a written quote request and we will confirm the tank, the pad and the freight.

Ports and access

• Access: 14 inch threaded, vented manway, 83 inches up; filled by hose or tote pump through a dip tube, vented outside on hypochlorite, acid and caustic.
• Outlet: specify the bulkhead fitting for the chemical when ordering; flex hose to the pump suction, valve braced off the floor so the fitting carries no pipe weight.
• Service limit: 120 F / 48 C.

Hypochlorite is hard on wetted parts, so the level sender is chosen for the chemical; a low-level float switch keeps the pump from running dry. Set the dosing pump lower than the outlet so gravity primes it, give the vent a line routed away from the pump's electrical gear, and shade the tank; hypochlorite degrades with heat and time, so buy small lots often. A 34 inch tank fits a standard spill pallet.

Typical duty

Hypochlorite day tanks at small water systems, acid and caustic make-up tanks on skids, and any 250 gallon vessel where the chemical would attack a linear wall in a season. With water in it, a well buffer, a cell of the small fire reserve the fire-water reservoir design guide describes, or one stage of the small reuse system the industrial water reuse tank topology article describes.

Freight to your ZIP

The 5990500N42 ships palletized as LTL freight (NMFC 156600) at a class rate; the freight cost estimator gives the number for your ZIP; the price shown here is before freight. One person carries 75 pounds through a door. Strap it, water-fill to the manway and hold it, and confirm the outlet and manway are dry before the first chemical goes in. A photo of the tank on its pad, full, on day one is worth keeping; it is the baseline every later inspection is compared against.