Description: Chicago Boiler Co. has manufactured ASME (American Society of Mechanical Engineers) Tanks for many industries equipment providers and product manufacturers. We have manufactured thousands of ASME tanks, most of which are still in use today. CB Mills products are built to strict QC standards. Our work is guaranteed. You can rest assured knowing each of our products is constructed to the stringent requirements and guidelines of the ASME Pressure Vessel Code. When you choose CB Mills, you will be completely satisfied with any product you order to complete your needs.