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Line Stopping Services

Wellube provides a complete bespoke package for your line stop requirements - from designing, manufacturing and installation of the fittings on the system to performing the intervention.

Minimize downtime and maximize efficiency 20+ years of line stopping expertise across UAE, Qatar.

Line stopping, or line plugging, is an advanced pipeline intervention technique that utilizes a mechanically deployed stopple head to temporarily isolate a designated segment of a live pipeline. This isolation facilitates critical maintenance or repair work downstream without disrupting overall operations. By integrating permanent or temporary bypass with line stopping solution, continuous production is ensured while the isolated section is serviced.

Engineered for versatility, line stopping is indispensable during tie-ins, relocations, retrofits, and routine maintenance, preserving the operational integrity of vital pipeline systems.

Line stopping solution is effective across a broad range of pipeline materials and media—including gas, oil, water, sewage and steam—by precisely controlling flow within active pipelines.

When combined with a bypass system, the remainder of the pipeline continues to function normally, thereby eliminating unscheduled shutdowns.

While the foundational principles of line stopping date back to early 20th-century innovations, modern advancements have significantly enhanced its performance, reliability, and safety.

With over two decades of specialized experience across diverse industrial applications, Wellube has refined its line stopping methodology to accommodate the unique regulatory frameworks and operational challenges present in the UAE, Qatar markets. Our comprehensive approach encompasses everything from initial site assessment and engineering design to equipment fabrication, field deployment, and post-intervention certification—providing clients with a truly turnkey solution for maintaining operational continuity even under the most challenging circumstances.

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Our line stopping services meet the highest performance standards trusted by many around the globe.

Line Stopping halts the flow in an operating pipeline and isolates a section of the “live” pipeline for attention. During the process, the pipeline can typically be operated under normal conditions when used in conjunction with a temporary bypass.

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Specifications

Wellube’s Line Stopping service for isolating live pipelines in the following size ranges:

  • Pivoting Head High-Pressure Line Stops from 3” to 48”
  • Double Block & Bleed Line Stops from 3” to 48”
  • Folding Head (Low/Medium) Pressure Pipe Line Stops from 12” to 84”
  • Low-Pressure Line Stopping using Inflatable Plugs
  • Line Stopping using custom-made Solid Plug Line Stops
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Applications

Wellube performs various types of line stops such as:

  • Pivoting Head Line Stops
  • Double Block & Bleed Line Stops
  • Folding Head Line Stops
  • Inflatable Plug Line Stops
  • Custom-made Solid Plug Line Stops

Our line stop services can also be applied for other purposes such as:

  • Product sampling point
  • Flow meter installation
  • Draining of pipelines
  • Pressure control switch installation
  • Pipeline inspection
  • Determine product in a pipeline
  • Air relief point

Types of Line Stops:

  • Folding Head Line Stops
  • Inflatable Plug Line Stops
  • Pivoting Head Line Stops
  • Double Block & Bleed Line Stops
  • Custom-made Solid Plug Line Stops
Line Stopping Solution

Line Stopping Solution in UAE

Performing Line Stopping With Continuing Services

Although line stopping is infrequently used as a single or emergency valve, it is most frequently used in conjunction with numerous hot taps, a pair of line-stopping machines, and a bypass line to stop the transport of a commodity and abandon a shutdown. A potential corporation benefits from queue operations by being able to:

  • Avoid Service Interruptions
  • Prevent Shutdowns and Their Costs
  • Eliminate Emissions
  • Prevent Product Loss
  • Publish engineered changes
  • Ensure greater safety
  • Supply Maintenance
  • Lessen operating expenses

Sealing the Deal: Why Wellube's Line Stopping Services are a Cut Above the Rest

By selecting Wellube, you will be collaborating with the biggest and most seasoned provider of specialised services, ready to offer an unsurpassed level of safety and quality. To guarantee that every task is completed to the greatest standards each and every time, we only hire the most qualified professionals.

Our technicians go through a demanding multi-level certification and training process that is method specific. Both classroom and practical training are used in the training process to produce knowledgeable and skilled technicians.

We provide

  • cutting-edge engineering software,
  • machining and fabrication equipment, and
  • round-the-clock availability to support our field personnel and staff.

The following size ranges of live pipes can be isolated using Wellube's Line Stopping service:

  • High-Pressure Line Stops with Pivoting Head, 3″ to 48″
  • Stops for Double Block & Bleed Lines, 3″ to 48″
  • Pipe Line Stops with Folding Head (Low/Medium Pressure) from 12″ to 84″
  • Stopping Low-Pressure Lines Using Inflatable Plugs
  • Line Stopping with Solid Plug Line Stops

FAQ's

A temporary plug is installed in the pipeline using specialized equipment, such as a line stopping actuator. The plug isolates the section of the pipeline where maintenance or repair work needs to be performed, allowing the remaining pipeline to continue to operate as normal.

The benefits of Line Stopping Service include:

  • Reduced downtime: By isolating only the necessary section of the pipeline, the rest of the pipeline can continue to operate, reducing downtime and lost revenue.
  • Cost-effective: It saves costs compared to shutting down the entire pipeline for maintenance or repair work.
  • Improved safety: Line Stopping Service eliminates the need to shut down the entire pipeline, empty the line medium, purging the system for safety, reducing the risk of accidents, and improving safety for workers.

Line Stopping can be performed on a variety of pipes, including steel, cast iron, ductile iron, PVC, and HDPE.

The time required to complete a Line Stopping service project depends on various factors, including the size of the pipeline, the location of the blockage point, and the complexity of the job. Wellube provides customized scheduling based on the specific needs of each client.

The maximum pressure rating for Line Stopping service depends on the size and type of pipeline being worked on, as well as the type of line stopping equipment being used. Using pivot head method, we can line stop up to 70 Barg pressure and up to 100°C temperature.

Yes, Line Stopping service can be used on hot water or steam systems.

Yes, the Line Stopping service is safe for drinking water pipes. The equipment used for Line Stopping is designed to meet industry standards and regulations for safe and reliable operation.

The potential risks of Line Stopping include equipment failure, leaks, and pipe damage. These risks can be mitigated by working with a professional service provider like Wellube, who has the necessary equipment and expertise to perform Line Stopping Service safely and efficiently.

The cost of the service depends on various factors, including the size of the pipeline, the location of the blockage point, and the complexity of the job. Wellube provides customized solutions and pricing based on the specific requirements of each project.

Line Stopping is generally a temporary solution but can be extended to a long period solution, depending on the pipeline parameters, line medium, and other factors.

The frequency of the service depends on various factors, including the age and condition of the pipeline, as well as the operational requirements of the client. It is recommended to consult with a professional service provider like Wellube to determine the optimal frequency of Line Stopping Service for your specific needs.

Yes, this is one of the advantages of Line Stopping Service, as it allows for work to be performed on a live pipeline without shutting down the entire system.

Wellube Line Stopping Service team have various skill set of technicians with different certifications and qualifications such as welding, pipefitting, hot tapping, and line stop procedure. They also have completed specific training in Line Stopping Service procedures and techniques. Additionally, they have significant experience working on a variety of pipelines and systems to ensure that they can perform the work safely and efficiently.

Why choose Wellube?

If you’re planning a project but are not sure of the best way to make it happen, tap into the wealth of experience that we have to offer. Working together, we can achieve innovative and cost-effective line-stopping services to suit your requirements.

Wellube’s Line Stopping service is a cost-effective way of enabling repairs, maintenance, modifications, or reconfiguration work on existing piping systems – on either a planned or emergency basis.

Our solution prevents unwanted shutdowns and keeps critical piping and pipeline systems online during tie-ins, relocations, repairs, retrofits, and routine maintenance.

Contact our technical expert to find a bespoke solution
for your operational challenges

Enquire Now

FAQ's

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