In addition to our stock vessels, Alloy Products offers a full array of custom configurations, designed specifically for your application. Available in 9", 12" or 18" diameters, with a total volume range of from 3.8 to 141.5 liters (1 to 37.4 gallons), APC can design, create, and fabricate a wide variety of high-quality vessels to your exact specifications. Options such as full-vacuum closures, level controls, sight tube gauges, and sanitary pressure relief valves can be integrated to fit your unique application. A CE marking can be applied to these vessels if determined to be applicable. Please contact Customer Service for more information.