Why choose stopple® fittings?
STOPPLE ® Fittings are full-branch split tees designed for use with TDW plugging machines. The design has undergone extensive strain-gauge and pulsation testing. The average cyclic lives of the fittings are 30% greater than other designs tested. STOPPLE Fittings are furnished with LOCK-O-RING ® Flanges drilled and faced to match ASME Class
What are the sizes of stopple®fittings?
STOPPLE®Fitting Type B (Extruded Branch) Sizes 4” through 30” Bulletin No: 1100.001.05 Date: July 2008 Cross Indexing No: n/a Supersedes: 1100.001.04 (07/06) STOPPLE ®Fittings
How do I verify my stopple plugging machine fittings?
Please contact your local TDW representative to verify. 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 is the working pressure of a stopple fitting?
Standard cataloged Class 600 STOPPLE®fittings and Class 600 reduced-branch fittings are designed for working pressure of 1480 psi (102 bar) with a design factor F of .72 per ASME B31.8-1995 and B31.4-1992. Consult the factory for fittings for other applications or design factors. Description of Fittings
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 Stopple in hot tap?
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. Line Stops are of necessity, somewhat more complicated than normal hot taps, but they start out in much the same way.
What is a Stopple bypass?
0:376:09Hot Tap and Stopple Bypass at Smoky Lake - Part 2 - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe small hose will flood the bypass line with blend from the main line start the flow. And watchMoreThe small hose will flood the bypass line with blend from the main line start the flow. And watch carefully as they fill and increased pressure in the bypass. This takes a few minutes.
What is a Tor pipe?
THREAD-O-RING™ Fittings (T-O-R) are used with TDW STOPPLE® Plugging Machines as purge and equalization fittings. They can also be installed during new construction and used for blowdown connections on either side of a block valve. T-O-R Fittings are available in two sizes: 2 in. and 3 in.
What is a Stopple on a pipe?
1. n. [Production] A procedure used in the repair of a pipeline to isolate a section of line in the absence of a shutoff valve.
Can you hot tap a natural gas line?
By performing hot taps, Natural Gas Star Partners have achieved methane emissions reductions and increased revenues. Gas savings are generally sufficient to justify making all new connections to operating lines by hot tapping. The payback period for utilizing hot tapping is often immediate.
What is the difference between hot tapping and cold tapping?
HOT TAP / COLD TAP PIPELINE This is done via a coring process on the existing operating pipeline without any interruptions to the flow of medium and system. Cold tap is used for system that carry flammable medium. Cold tap prevents ignition, especially fuel line..
What is hot tapping and plugging?
Hot tapping and plugging (HT&P) creates safe work zones during pipeline maintenance and pipeline repair, without the time, risk or expense of shutting down the pipeline system. There's no decommissioning, depressurization or significant impact on product flow.
What is a completion plug?
Completion Plugs: Completion Flanges and Plugs come in many styles. These are used to allow removal of the temporary Linestop Valve after work is completed so the valves can be used on the next project. Blind flanges are left at the Linestop® location and can be removed and re-stopped at a future date.
What is tapping in pipeline?
Hot tapping, also known as pressure tapping, is a method of connecting (either by drilling or cutting) to a pressurised system, such as a pipeline or pressure vessel, without removing the pipe or tank from service.
What is a Stopple Plus fitting?
STOPPLE®Plus fittings incorporate a designed and manufactured offset allowing the placement of back-up strips
What is the pressure of a stopple fitting?
Standard cataloged Class 600 STOPPLE®fittings and Class 600 reduced-branch fittings are designed for working pressure of 1480 psi (102 bar) with a design factor F of .72 per ASME B31.8-1995 and B31.4-1992. Consult the factory for fittings for other applications or design factors.
How long does it take to ship a stopple fitting?
Rapid delivery: If the desired fitting meets standard specifications, it can be shipped from stock or within two weeks in most cases. Choice of flanges. Available also to ASME B31.3 and B31.8 specifications Use the grid inside to develop the part number for the STOPPLE fitting of your choice*
What is new fitting?
New fittings incorporate a designed and manufactured offset allowing the placement of back-up strips
What is a stopple fitting?
STOPPLE® Fittings are 4- through 12-inch & 16-inch full-branch split tees designed for use with the TDW STOPPLE plugging system. They meet B31.8 specifications for gas transmission and distribution piping systems. STOPPLE Fittings are furnished with LOCK-O-RING® Flanges to accept a LOCK-O-RING Completion Plug, permitting removal of the tapping valve after work is completed.
What is a flange to sleeve weld?
Flange-to-sleeve weld joints and sleeves are designed to meet pressure and reinforcement requirements of ASME codes, and are available in Class 150, 300 and 600. Other ASME Class ratings available upon request.
Why extend and retract segments?
Extend and retract segments to make sure they work freely and count and record turns required to operate.
Do you test valve joints before tap?
Fitting and al joints below valve must be tested before starting tap. Test pressure to be determined by customer.