Trust The True Pioneer and Leader In Pipeline Plugging Equipment.
TDW introduced the STOPPLE® Plugging System in the early 1950's and today it remains the most reliable and widely used method of isolating a section of pipeline. TDW continues its strong commitment as the world-wide leader in the development of engineered solutions to maintain maximum piping system productivity during scheduled maintenance, retro-lifting, new construction, alterations and unplanned emergencies.
For your customer applications, we're backed by one of the largest, most experienced engineering staffs in the world. We have the expertise and technical support to design and fabricate your customized equipment.
Plug Setting Systems - Plug Setters are used for installing and retrieving completion plugs so that equipment can be removed from the pipeline after hot tapping and plugging operations are completed.
SHORTSTOPP® Plugging Systems - The lightweight SHORTSTOPP® Plugging/Completion Machine is versatile and easy to operate. When used as a plugging machine, it will plug 1-1/2" at 275 psi and 2" through 4" lines at 500 psi, and can be used on SHORTSTOPP® 300 D Fittings (ASME Class 300). As a completion machine, it has a full range capability of setting 1-1/2" through 12" completion plugs, and will adapt to existing housings in the field.
STOPPLE® Plugging Machines - Serve as temporary block valves installed anywhere in a piping system. They are used to isolate a section of line for repairs or additions without interruption of service. Available for pipe sizes 4 inches and larger.