
Stainless Steel Tanks & Products
Eleven product lines, each with a page of its own. Every tank is available in a stock size off our published charts or built entirely to your dimensions.
Tank range
Every tank we build, on its own page

Stainless Steel Pressure Tanks
Vertical and horizontal pressure vessels in stock diameters from 9-5/8 in. to 60 in., or built to your drawing.
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Rectangular Non-Pressure Tanks
Self-supporting rectangular storage tanks from 55 to 3,231 gallons, sized to fit the space you actually have.
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Extractor Tanks
Vessels for botanical and biomaterial extraction, with a food-grade interior finish and a polished exterior.
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Solar Hot Water Tanks
Solar thermal storage in stainless rather than glass-lined steel — the product the solartanks.com name was built on.
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Custom Ozone Contact Tanks
Contact vessels sized to your system's required contact time, in a material ozone does not attack.
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Softener Tanks
Softener vessels with standard threaded openings, a vertical ring base and a high-luster polish.
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Water Chiller Tanks
Chilled water vessels built for continuous cold service, with coils and insulation where the duty needs them.
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Stainless Steel Vacuum Tanks
Vessels built to hold vacuum, with the heavier shell that external pressure requires.
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RV Water Tanks
Fresh, grey and black water tanks built to fit the space in a coach, conversion or restoration.
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Not a tank?
Custom and CNC fabrication
Capability
Custom Stainless Fabrication
One-off vessels, assemblies, stands, panels and replacement parts built to your drawing in a controlled shop environment.
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CNC Fabrication
Repeatable cut stainless components, brackets, plates and decorative panels for any application.
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Before you call
Our size charts are public
Need to work backwards from a volume instead? The tank volume calculator will get you to dimensions, and our quote checklist lists everything we need to price a build.
Size charts and order forms
- Pressure tank standard sizes chart (PDF)Diameters 9-5/8 in. to 60 in., with gallons, weights and gallons-per-inch
- Rectangular non-pressure tank standard sizes chart (PDF)55 to 3,231 gallons, with approximate weights
- Vertical pressure tank layout sheet (PDF)Fill in and email to specify a vertical tank
- Horizontal pressure tank layout sheet (PDF)Fill in and email to specify a horizontal tank
- Non-pressure tank layout sheet (PDF)Fill in and email to specify a rectangular tank
- Swhift written warranty (PDF)Full terms and conditions of sale
Start a project
Ready to spec your tank?
Send dimensions, a drawing, or just a description of the job. We will come back with a quote — and if something in the request does not add up, we will tell you before you order.
Consultations are free. Every project is managed by a single production manager, so you talk to the person who knows your job.