| THE CAPACITY FOR QUALITY A 30,000 square foot plant area enables us to fabricate both large and small pressure vessels, storage tanks, heat exchangers, reactors, processing columns and other special applications efficiently and with a constant eye on quality. Our Quality Control Manual provides for the ASME Code, MIL I 45208 and non code equipment. Carbon steel, stainless steel, nickel, hastelloy, inconel, and other special alloys and materials are fabricated in our main shop. Our new high-alloy shop provides a dedicated facility for titanium, aluminum and zirconium. Sistersville Tanks Works regularly fabricates tanks up to 13 feet in diameter and weighing up to 40 tons. Our facilities are equipped to roll materials up to 1-1/8" thick and weld up to 3" thickness.
| ![]() Fabrication of units such as this dimple jacketed
processing column are completed to exacting
specifications.
Customers have come to count on STW quality in products which must meet the most critical applications, such as this reactor core with hard facing on the leading edge. |
![]() Application polished or high quality painted finished, such as the finish applied to this kettle reboiler(heat exchanger), receive the same attention as every other step in the STW fabrication process. | An example of polished stainless steel vessel interior
for food grade application.
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