T.D. Williamson, inc.

Represented since 1952

100 years of relationships with pipeline owners and operators delivering comprehensive technologies, expertise and solutions. For over a century, TDW has helped customers around the world safely transport product to their communities.  

INTERVENTION & ISOLATION EQUIPMENT  

• Hot Tapping equipment 1/2” thru 48”

• SHORTSTOPP® II, SHORTSTOPP® 275/500, ProStopp DS Line Plugging Systems 1.25” - 12”

• Full line of SHORTSTOPP® Fittings (Weld Fittings, Bolt-On, Spherical Tees and 3-WAY Tees)

• POLYSTOPP® Quick Connect

• STOPPLE® Plugging Equipment 2” thru 42”

• Full line of STOPPLE® and STOPPLE® Plus Fittings and 3-WAY Tees

INTERVENTION & ISOLATION SERVICES

• Hot Tapping Services 1/2” to 60”

• SHORTSTOPP® and STOPPLE® Train Line Plugging Services from 2” to 102”

• Full Line of SHORTSTOPP® and STOPPLE® Fittings

• Turn Key Services includes Project Management, Welding, Lifting, Fitting Installation, etc.

• Serving the Gas, Liquid Pipeline, Water/WW, and Industrial Markets

VIDEOS

pigs, closures and pig sig resources

TDW Pigging Products: • Pipeline Pigs from cleaning, batching, commissioning, to displacement

• Pigging Systems • PIG-SIG® Pig Passage Indicators – standard and non-intrusive

• Pig Launchers and Receivers • Complete Pigging Systems • Threaded and Clamp-Ring Closures