Passing the Test

This seal welded tubesheet of a heat exchanger is an example of the skill applied to every STW project.

This U-tube heat exchanger is among many fabricated by STW annually.

PASSING THE TEST

Product testing is an important facet of our operation. Sistersville Tank Works carries out nondestructive testing using x-ray, magnetic particle, dye penetrant and trace element testing, in addition to pressure testing by hydrostatic test or pneumatic test. STW maintains a Metallurgical Lab for destructive and non-destructive testing and Laser facilities for testing column alignment, nozzle alignment and other tolerance testing. Sistersville Tank Works is qualified under the ASME code to fabricate steam boilers under the 'S' Stamp, pressure vessels and heat exchangers under the 'U' Stamp, power piping under the'PP' Stamp as well as perform alterations and repairs under the 'R' Stamp. We regularly provide quality inspection and field testing for numerous customers with our modern field testing and service/repair equipment.

Attention to every detail is a trademark of STW quality, as evidenced by this polished stainless steel high pressure vessel.

STW regularly fabricates units complete with instrumentation, pipes, pumps, etc., as shown on this skid mounted vessel ready for service.

| Established Tradition Modern Methods | The Capacity for Quality | Passing the Test |