Your Pipeline Pigging Products Provider For Nearly a Century!
TDW is the pioneer developer and a leading manufacturer of pipeline pigs, launching and receiving components, quick opening closures and pig passage indicators. Our products are backed by nearly a century of experience and one of the largest fleets of equipment and accessories in the world. Our focus is and always has been the customers who we partner with to provide safe and reliable products. To view and/or download information on all of our pigging products, click here.
Pipeline Batching and Displacement Pigs - Designed for light cleaning, line filling and dewatering, batch separation and liquid removal.
Pipeline Cleaning Pigs - Aggressive cleaning pigs equipped with a steel body, spring steel wire brushes and polyurethane bumpers and discs.
Speciality Pipeline Pigs - Corrosion inhibitor pigs designed for the injection and batching of corrosion inhibitor fluid and gauging pigs designed to indicate obstructions in a pipeline.
Pipeline Closures - TDW offers outstanding design features for quick opening closures that can be utilized in serveral applications. Closures can be designed to meet pressure piping code (B31.3/B31.4/B31.8) or pressure vessel code (ASME Sec. VIII-1).
Pipeline Pig Launchers and Receivers - Rugged and dependable TDW Launchers and Receivers are designed and built with the consistent high quality workmanship required to meet the demands of pipeline operators the world over. With decades of accumulated "hands-on" experience, TDW produces launchers and receivers designed by experts to handle the toughest field conditions.
Pig Passage Indicators - TDW offers two styles of pig passage indicators. TDW’s PIG-SIG® V and PIG-SIG® IV Scraper Passage Indicators are devices installed at prescribed intervals on pipelines to detect the passage of a pig or sphere. The PIG-SIG® NIXT Pig Passage Indicator is an easily portable, non-intrusive, computerized electronics device providing bidirectional detection of pipeline pigs featuring carbon steel brushes or carrying a trip magnet.