STI's complete inventory of top-quality rotomolded cylindrical tanks assures our ability to provide what you need, when you need it. A tank molded in virgin linear polyethylene is the ideal choice for storage, mixing and/or feeding a vast array of liquids. These tanks provide corrosion protection and also prevent metallic contamination. A low-cost alternative to metal, our sanitary tanks also offer complete drainage and a wide assortment of compatible accessories.
Cone bottom tanks offer many advantages for your ultra clean applications. Flushing, cleaning, and complete drainage are key requirements for most medical, research, or pharmaceutical installations. Cone bottom tanks can be used in a wide variety of applications including dialysis bicarb systems, decantation of similar liquids, buffer mixing, reverse osmosis, blending, media preparations, small scale production and more. High viscosity solutions are also easier to handle in a cone bottom tank. Modifications can be made to accommodate special size needs.
The units are made to each customers unique process requirements. Sampling devices, spray jets, mixers, three drainage options, and specified fitting placement are just a few examples of the options available.
Whether you need a viewing window for a decantation process, a mixing nozzle for your bicarb mixing system, or a dozen sanitary fittings for your DI water loop, STI's COC series tanks are a great starting point.
Click here to view a PDF of Bulk Storage Tank Overview
Features and Benefits
- 30° cone angle (18° for 400 gallons, 45° for 500 gallons)
- Complete drainage
- Better dispersal of solids
- Easy installation of welded or bulkhead fittings
- HDPE and polypropylene resins comply with 21 CFR Reg. 177.1520 PVDF 21 CFR 177.2510
- Require metal stands
- Clearance from the floor to bottom of the tank is 18 inches (12 inches on 10-gallon tank)
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Common Accessories
- Chemical resistant fabricated polyethylene stands
- Stainless steel stands
- Painted steel stands
- Agitator mounts
- Bolt-on covers
- Fittings
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Polyethylene Tank Dimensions
Available Tank Dimensions (COC) ** |
Stock Number |
Capacity |
Dimensions (inches) |
US Gal. |
Liters |
A |
B |
C |
D |
E |
COC00015A |
15 |
55 |
16 |
20 |
19 |
21 |
19 |
COC00030A |
30 |
110 |
19 |
32 |
22 |
34 |
29 |
COC00045A |
45 |
170 |
27 |
25 |
30 |
26 |
16 |
COC00060A |
60 |
225 |
22 |
39 |
27 |
40 |
35 |
COC00115A |
115 |
435 |
30 |
42 |
35 |
44 |
37 |
COC00200A |
200 |
750 |
31 |
65 |
35 |
67 |
61 |
COC00250A |
250 |
945 |
42 |
48 |
44 |
49 |
41 |
COC00300A |
300 |
1135 |
42.75 |
58.5 |
47 |
60 |
49.5 |
COC00350A |
350 |
1320 |
43 |
65 |
47 |
67 |
59 |
COC00500A |
500 |
1890 |
52 |
66 |
56 |
68 |
56 |
COC00750A |
750 |
2835 |
64 |
67 |
69 |
68 |
59 |
COC01000A |
1000 |
3785 |
67 |
83 |
74 |
84 |
72 |
COC01000B |
1000 |
3785 |
86 |
58 |
91 |
60 |
48 |
COC01500A |
1500 |
5675 |
73 |
94 |
77 |
96 |
84 |
**NOTE: All dimensions are nominal, please contact us for specifics.
Click here to view a PDF of Polyethylene Tank Dimensions
Polypropylene Tank Dimensions
Available Tank Dimensions (COC) ** |
Stock Number |
Capacity |
Dimensions (inches) |
US Gal. |
Liters |
A |
B |
C |
D |
E |
COC00030B |
30 |
110 |
18 |
33 |
22 |
35 |
28 |
COC00055A |
55 |
205 |
22 |
41 |
26 |
43 |
34.5 |
COC00150A |
150 |
565 |
32 |
51 |
36 |
53 |
41.75 |
COC00400A |
400 |
1500 |
55 |
48 |
60 |
50 |
40.5 |
**NOTE: All dimensions are nominal, please contact us for specifics.
Click here to view a PDF of Polypropylene Tank Dimensions
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