Snyder Industries 6500 Gallon XLPE Heavy Duty Cone Bottom Tank

The white heavy duty listing beside three others on one shell

Four part numbers share this shell and the sheet lists all three of the others beside this one, which makes the comparison unusually clean. 7180000N40 and 7180000N46 are both 2,100 pounds empty. 7180000N48 is 2,800 pounds, the same as this tank. Every one of them is 6,500 gallons on the same 90 inch circle at the same 273 inch height, so nothing about the building or the pad changes between them. Two fields do change, and they are the whole decision. The first is the rating. This listing is rated at a specific gravity of 1.9 with 102,999 pounds of max contents, which is the pair of numbers that covers a product denser than water: concentrated solutions, heavy blends, slurries carrying solids in suspension. The two lighter listings carry their own figures for their own duties, and if your product is no heavier than water then one of those is the honest buy, because nobody should pay for a rating and the extra shipping weight they will never load. The second field is colour, and here it is the reason to take this listing rather than 7180000N48, which carries the identical weight and the identical rating in black. Natural white is the shell people specify when the tank stands indoors and somebody wants to see the liquid line through the wall rather than trust an instrument alone, or when a product is easier to judge against a pale background. Black is the outdoor answer. That is the difference between those two listings as the sheets give it, and the sheets explain nothing further, so neither will we. What is not on this sheet is anything holding it up: no stand, no legs, no skirt, no support ring, no bolt pattern. A cone bottom tank has no flat floor and cannot rest on its own bottom, so the stand is a separate item bought, set and levelled before the tank arrives, and no stand height, rated load or stand material appears on this page. Settle it with the cone bottom tank stand compatibility matrix and confirm the fit with us against this part number. Then do the arithmetic the building forces: stand, plus 273 inches of shell, plus clearance above the manway, with room under the cone for whatever the discharge feeds. Size the volume before any of it with the tank sizing calculator and take the freeboard from the tank sizing guide.

Twenty-two feet nine inches, and the tanks either side

The top four rows are one tank sold four ways, and the bottom two rows are a different argument entirely. This shell buys its volume in height: 6,500 gallons on a 90 inch circle, which is seven and a half feet of floor, and 273 inches of it. 5280200N40 holds 6,000 gallons on a 142 inch circle at 136 inches, and SII-5320100N43 holds 7,400 gallons on that same wide circle at 160 inches and 1,600 pounds. Those two buy their volume in floor area. Which way you go is settled by the site rather than by the specification, and it is usually settled in five minutes with a tape measure. Outdoors on open ground, where the only real constraint is the pad and the wind, the wide shells are easier to support and easier to climb. Indoors, or in a tank farm where floor space is the thing nobody can make more of, this narrow column is frequently the only shape that fits, and that single fact decides more purchases in this family than any rating does. Two operating consequences come with the narrow choice and both are worth knowing before you commit. A tall slender vessel stratifies more readily than a wide shallow one, so a product that wants to separate needs its draw point and its mixing arrangement planned together. And the static head at the bottom of twenty-two feet of full column is real, which is why nothing should hang off the discharge that is not carried by its own steelwork. If the resin question is still open on your side, the honest comparison is here: crosslinked polyethylene against high density polyethylene for chemistry duty sets out when the crosslinking earns its place and when it does not.

Settled on the 6500 gallon tank? Freight to your ZIP and add to cart above; a written quote is one click away for the paperwork.

Vent first, on a column this tall

• The vent: it arrives with the manway on this sheet rather than as a separate item, and on a vessel of this height it is the fitting that protects the wall. A pump drawing from the bottom of twenty-two feet of full column pulls hard; if the tank cannot take air in through the vent, it takes the load through the wall instead. Keep it clear, inspect it every time the tank is opened, and never blank or tape it to control a smell.
• The manway: 18 inches, threaded and vented, at 273 inches plus the stand. That is a working-at-height job in any building, so a platform or fixed ladder with a fall protection plan belongs in the same drawing as the structure, and the fill line belongs at a coupling at working level. The sheet notes ladder lugs.
• The outlet field: it reads 1 Manway / Lid. That names an opening and not a discharge, and we print it exactly as it reads rather than turning it into a pipe size. No outlet dimension, no thread, no bulkhead and no valve is published or claimed. Give us the line size, the valve type and the product and we will confirm what this part number carries before it is ordered.
• Below the cone: valve, reducer and the first run of pipe on their own steelwork off the stand, never on the tank, with a flexible connector at the first joint. With 102,999 pounds of rated contents standing above it, the low point of this vessel is the wrong place for dead weight.
• What the sheet does dimension at the shell: 4 tiedown lugs, 8 lifting lugs, ladder lugs and 2 flange lines. The lifting lugs are the difference between a planned lift and an improvised one on the day, and on a 273 inch shell that difference matters.
• Blanks and ratings: no inlet, no separate lid size, no warranty term and no NMFC number are published. The ratings given are a specific gravity of 1.9, 54,210 pounds of water at 6,500 gallons, 102,999 pounds of max contents, a 30 degree cone and a limit of 100 F / 37 C.

Two more questions are cheaper to settle now than after the first fill. How the level gets read, because a vessel this deep is judged by instrument and the wrong one is confidently wrong all year: the level gauge selection guide works through radar, ultrasonic, hydrostatic and magnetostrictive on the points that actually decide it. And what happens under the tank after a release, which is a containment question rather than a tank question: the Captor containment comparison is where to start it.

Dense product in a narrow column, changed out between batches

A 1.9 rated cone at 6,500 gallons goes to operations holding something heavier than water on a site with no floor to spare. Concentrated mineral and salt solutions in a process building, spent acid and pickling liquor in a metals plant, heavy liquid fertiliser and crop input blends at an agricultural retailer, thickened sludge and dewatering feed at a treatment works, mineral and wash plant slurry, and process intermediates that carry solids in suspension and still have to drain completely at each changeover. That last phrase is the whole case for the shape. On a flat bottomed vessel every product change leaves a layer, and at 54,210 pounds of water a thin layer is a real volume with a real disposal cost and a real contamination risk in the next batch. A 30 degree cone gives the tank one low point to drain toward and removes the argument. The natural white shell adds a practical advantage indoors, where being able to see the liquid line through the wall is worth more than most people expect on the day an instrument disagrees with the operator. Check your product in our chemical compatibility reference before the fittings are chosen, because the chemistry decides the gasket and the valve, not the tank.

Service list by chemical

One line per liquid the maker rates for this resin, with the concentration it is rated to and the fitting and gasket to order. Take your own concentration and temperature to the linked page or the chemical compatibility database before ordering.

• acetic acid at 60% (PP/PVC fittings, EPDM gaskets)
• aluminum sulfate at 50%
• ferric chloride at 50%
• ferric sulfate at 60%
• ferrous sulfate at 20%
• calcium chloride at 40%
• magnesium chloride at 30%
• sodium carbonate at 30%
• potassium carbonate at 50%
• sodium thiosulfate at 40%, and
• ethylene glycol at 100% - all on PVC fittings with EPDM gaskets unless noted.Several services call for specific fitting and gasket materials:
• DEF at 32.5% wants 316 stainless fittings with EPDM gaskets
• hydrofluosilicic acid at 26% calls for PP/PVC fittings with Viton gaskets
• propylene glycol (confirm your concentration) uses PP or 316SS fittings
• potassium hydroxide at saturated concentration and
• urea solution at 50% (PP/PVC) run on EPDM, and
• polyaluminum chloride (confirm your concentration) on PVC/EPDM.Ozonated water up to 10 PPM is also listed (PVC fittings, EPDM gaskets).Because this is an XLPE ta

Twenty-eight hundred pounds on a class two-fifty ticket

Moulded at Lincoln, Nebraska, with Nebraska given as the origin state, so the central lanes are short and both coasts are long hauls. The freight class on this listing reads 250, a numeric class rather than a mode, and the sheet publishes no NMFC number. That is worth noticing beside its own shellmates: the two lighter 6,500 gallon listings read 300 and this one reads 250. The sheets give the classes and explain nothing about them, so take the figure to the quote rather than to a theory. The shipping size measures 90 inches by 90 inches by 273 inches at 2,800 pounds, and the length is the number that governs the booking, not the weight. Price your ZIP with the freight cost estimator; the listed price is before freight. It travels lying down and is stood up at your site, and standing twenty-two feet nine inches of tank is the part of the day that goes wrong when nobody has nominated a machine and a person for it. The sheet publishes no crane, no rigging, no permit and no escort detail, and none is stated here; agree the offload arrangement and the window with us before the truck is booked. Have the stand set, levelled and anchored first. Lift by the lifting lugs the sheet lists or under the body, never by the manway, and keep the tank restrained the moment it stands upright. Prove the installation with clean water before product goes near it: hold the 54,210 pound load, read the manway seal, the cone joint, the stand feet and the pad edge in daylight, and leave it standing full overnight. Check the anchor bolts and the strap tension again a week later, because ground settles under a new load and the fixing that was tight on day one is the one that is loose on day eight. Note the pad height and the outlet height on the site plan while the tape is out; the next pipe run will need both.