What is Stopple in hot tapping?
What is Stopple in hot tapping?
Line Stops, sometimes called Stopples (Stopple® is a trademark of TD Williamson Company) start with a hot tap, but are intended to stop the flow in the pipe.
What is a Stopple fitting used for?
A procedure used in the repair of a pipeline to isolate a section of line in the absence of a shutoff valve.
What is hot tap installation?
The hot tap procedure involves attaching a branch connection and valve on the outside of an operating pipeline, and then cutting out the pipe-line wall within the branch and removing the wall section through the valve. Hot tapping avoids product loss, methane emissions, and disruption of service to customers.
What is hot tapping and plugging?
Pipeline Hot Tapping and Line Plugging is the preferred method for performing maintenance, repairs, or modification work to a live, pressurized pipeline. The Hot Tapping and Plugging technology makes it possible for pipeline owners and operators to isolate and bypass sections of pipeline.
What is a Stopple pit?
stopple and bypass pit means an excavation around the existing gas pipeline for the purposes of fitting a series of stopple tees to allow the tie-in of Work No. 1 to the existing gas pipeline, and a temporary bypass to maintain the supply of gas during tie-in works; Sample 1. Sample 2. Sample 3.
What is hot tapping a water line?
Hot tapping, or pressure tapping, is the method of making a connection to existing piping or pressure vessels without the interrupting or emptying of that section of pipe or vessel. This means that a pipe or tank can continue to be in operation whilst maintenance or modifications are being done to it.
What Stopple means?
: something that closes an aperture : stopper, plug. stopple. verb. stoppled; stoppling\ ˈstä-p(ə-)liŋ \
What is a Stopple train?
Engineered for high-pressure applications, the STOPPLE® Train double block and bleed isolation system allows two independent plugging heads to be inserted into a line through a single fitting.
What are high pressure stopple® fittings?
High-pressure STOPPLE® fittings are designed for use with TDW STOPPLE plugging machines. The ProSeries™ Advantage standardizes the fittings to fit a broader range of specifications, reduce the need for costly customization, ensure consistent quality and shorten lead time.
What are the different types of hot tap fittings?
Typically the mating flange is ANSI class 150, 300, or 600; although other pressure classes and flange styles are available. All of WeldFit’s hot tap fittings are manufactured in accordance with our ISO 9001:2015 quality program and are compatible with major models of hot tapping equipment.
Why choose weldfit hot tap fittings?
WeldFit’s hot tap fittings have been used successfully in thousands of hot tapping operations around the world. Consisting of a full-encirclement fitting and a weld-neck flange, our hot tap fittings are designed and manufactured to ensure the integrity of the piping system is maintained.
Can sureloc fittings be used as hot tap fittings?
Standard SureLoc® Line Stop fittings are supplied with size-on-size branch connections suitable for typical line stop operations. However, WeldFit can supply reduced branch SureLoc® outlets for by-pass applications or for use as Hot Tap fittings when a SureLoc® flow-through plug will be installed.
