Articles

For plumbing contractors, municipal maintenance crews, and facility management professionals, clogged drains are a routine but critical challenge. Whether dealing with grease buildup in commercial kitchens, sediment accumulation in industrial pipelines, or recurring blockages in sewer laterals, restoring proper flow requires the right drain cleaning equipment. The effectiveness of any drain cleaning operation depends not only on identifying the cause of the blockage but also on selecting the most...
Video of a smarter approach to pipeline repair that not only is about fixing damaged pipe but protecting operations, maintaining service, managing risk and minimizing interruption. Smaller intervention. Bigger operational advantage. PeteStop®.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked with alternative sources. Strictly adhere to and follow all applicable national and local regulations...
Grease accumulation begins when hot fats, oils, and food residues enter a pipeline and cool as they move through the system. As the temperature drops, these materials solidify and stick to the pipe walls. Each layer traps more debris, causing the internal diameter to narrow. Over time, this heavy accumulation creates flow restrictions and eventually leads to complete blockage. The result is a grease clogged drain that becomes harder to clear with basic maintenance.
Many people rely on chemical...
Blast Furnace Bosch Cooling Water
Challenge:
A pair of 8” cooling water lines needed to be rerouted in order to facilitate furnace modifications. The reroute needed to be completed without a loss of the water supply to the furnace otherwise a costly shutdown would be required. Additional challenges were that the system operated at over 150 psi. The field fabricated pipe was oval. The oval pipe geometry made the insertion of either a pivoting head or a folding head linestop impossible. The flow rate...
At 10 ft/sec, the Petersen® FlowStop® has a maximum flow rate almost 20 times greater than the PeteStop®. Of course it is always best to stop flow during the installation of a line stop but if you are not able to, the FlowStop® is a possible solution. It is lighter weight, less stress on the pipeline, conforms to abnormal pipe conditions (debris, buildup, etc.) and has a smaller tap hole than a mechanical plug. Check out the FlowStop® here.
Disclaimer: The information may be used but with no warranty...
Video of how to replace a valve with the 146-9 Series Mechanical Pipe Plug from Petersen Products. Using the end of pipe insertion system supported with strongbacks, provides an easy way to replace faulty pipeline components.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked with alternative sources. Strictly adhere to and follow all applicable national and local regulations and practices...
Cross contamination between pipeline sections occurs when product, residue, or pressure from an active pipeline section unintentionally enters the area under maintenance. Even a small backflow can introduce unwanted m, creating safety risks, equipment stress, and operational delays.
This risk is especially critical during maintenance, repairs, or testing, when partially isolated sections are vulnerable. Without proper controls, field teams may be exposed to hazardous materials, and facilities can...
Watch a video of how to remove a PeteStop® inflatable line stop pipe plug from the pipeline using the retraction system. Easily remove your inflatable pipe plug from the pipeline with this retraction system. Visit petersenproducts.com for more information.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked with alternative sources. Strictly adhere to and follow all applicable national and local...
Accurate pipeline pressure calculation is crucial for engineers, particularly when designing, testing, and ensuring the safety of pipeline systems. One key element in these calculations is the conversion of feet of head to pounds per square inch (PSI), which is fundamental for tasks such as pressure testing, pump sizing, and understanding static head pressures. This guide will walk you through the practical steps for converting feet of head to PSI, a process that directly impacts the way pipelines...
Watch video of how to Replace a Faulty Valve in a high pressure pipeline with a Petersen 147-9 Series Mechanical Pipe Plug. A truly revolutionary mechanical pipe plug from Petersen Products that locks in the pipe and creates a seal in pipelines up to 1000 psi. Visit petersenproducts.com for more information.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked with alternative sources. Strictly...
Live pipeline maintenance places crews under constant operational pressure, where decisions must balance uninterrupted flow with exposure to real safety and financial consequences. Shutting down a line can trigger service outages, regulatory scrutiny, and cascading costs across downstream operations. Keeping it active, however, introduces risks tied to internal pressure, residual product, and limited margins for error during intervention.
With infrastructure aging and demand for uninterrupted service...
Watch the video of how to Insert a Multi-Flex® 127-Series Inflatable Pipe Plug in the end of a pipe to Replace a Faulty Valve. A truly revolutionary inflatable pipe plug insertion system from Petersen Products. Visit petersenproducts.com for more information.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked with alternative sources. Strictly adhere to and follow all applicable national and...
Watch the video of a PeteStop® Inflatable Double Block and Bleed Line Stop Installation. A truly revolutionary inflatable pipe plug from Petersen Products. Visit petersenproducts.com for more information.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked with alternative sources. Strictly adhere to and follow all applicable national and local regulations and practices.
Regardless of these...
Watch this step-by-step video of how to install the PeteStop® Inflatable Line Stop using the Bundling Sleeve. The bundling sleeve is great for applications where rubber bands should not be used such as potable water, gas, and many more. See how its innovative design ensures durability and adaptability. Visit Petersen Products to explore more features.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked...
The Charleston Water System (CWS) Hanahan Water Treatment Plant set out to perform a normally routine maintenance task—take one 5-million-gallon clearwell (an approximately 220-foot-diameter by 20-foot-deep tank) offline to replace a baffle curtain. But when the clearwell proved impossible to dewater safely due to the failure of 84-inch butterfly valves, engineers and managers were suddenly confronted with substantial risks to millions of dollars in infrastructure investment, not to mention staff...
Isolating large pipes and tunnels for extensive repairs or pipeline maintenance requires careful planning and specialized techniques to ensure safety, minimize downtime, and maintain system integrity. Professionals often use an Inflatable Line Stop specified for the project based on pressure, chemical, temperature, and flow. The system inserts an inflatable plug through a hot tap valve to effectively block or divert flow. This technique offers unique advantages based on the specific requirements...
Commercial drain cleaning is critical for keeping facilities like restaurants, hospitals, and industrial plants running safely and efficiently. Clogged or slow drains can disrupt processes, cause sanitary issues, and even result in costly downtime.
Many companies use chemical drain cleaners for quick results. While these solutions may temporarily remove obstructions, they can corrode pipes, destroy seals, and emit hazardous odors into the workplace. Over time, the use of harsh chemicals may shorten...
Petersen Products engineered and built a neutrally buoyant mechanical stop and integrated strongjack restraint that made it possible for the City of Calgary to replace critical 60-inch valves at the Bearspaw Water Treatment Plant without a system shutdown. This “complex and tricky” dewatering solution was delivered, reviewed and approved by third-party engineers, stress-tested, and deployed under tight time and access constraints.
Challenges
Calgary needed to isolate two 60-inch steel-lined/prestressed...
Clogged drains are a widespread problem in both residential and commercial settings. Grease, hair, soap residue, food leftovers, and even tree roots can build up over time and restrict water flow. When the water slows down or stops completely, you have two options: drain clearing or drain cleaning.
Although the names are often used interchangeably, they do not mean the same thing. Drain clearing focuses on removing the immediate clog, whereas drain cleaning addresses the accumulation inside the pipes...
Mine flooding happens when water flows into underground or surface mining areas faster than it can be drained or pumped out. This water can be come from rainfall, groundwater, local bodies of water, or even by breaking into old flooded workings. Because mine tunnels, shafts, and equipment are not built to function underwater, uncontrolled flooding can soon become a serious hazard.
Floodwaters can harm workers, restrict escape routes, and create unstable ground conditions. It can damage or destroy...
Watch this step-by-step video of how to install the PeteStop® Inflatable Line Stop 128-Series. See how its innovative design ensures durability and adaptability. Visit Petersen Products to explore more features. Ideal for pipeline maintenance and isolation, this plug provides a workable seal you can trust.
Disclaimer: The information may be used but with no warranty or liability. This information is believed to be correct but should always be double-checked with alternative sources. Strictly...
When routine maintenance turned into an unprecedented engineering challenge at Charleston’s Hanahan Water Treatment Plant, a diverse team—engineers, divers, manufacturers, contractors, and Petersen Products designers—collaborated to deliver a “first of its kind” solution (for treatment plants, that is) that may end up making future plant maintenance safer and more efficient for treatment plants everywhere.
Hanahan relies on huge five-million-gallon clearwells (about 220-foot diameter by 17-foot...
Sargassum seaweed is a brown macroalgae that floats across the Atlantic and Caribbean, carried by ocean currents. Warmer oceans, changed current patterns, and nutrient-rich runoff have all contributed to extremely high accumulations in coastal areas in recent years.
While it supports marine life offshore, excessive sargassum on the shoreline can lead to serious challenges. Thick mats can clog beaches, produce unpleasant odors, and, in some cases, interfere with maritime infrastructure. The risk for...
Tunnel sealing is the process of isolating or closing off sections of underground tunnels to maintain safety, enable repair, or for long-term abandonment. Whether dealing with an aged mine shaft, a utility tunnel which needs to be maintained, or an emergency involving water incursion or dangerous materials, sealing is crucial in maintaining control over the environment below ground.
This technique is important during emergency shutdowns, routine maintenance, mine tunnel closures, and environmental...
Sewer line clogged? A clogged main sewer line can disrupt an entire building's plumbing system, resulting in backups, foul smells, and costly delays. While jetting and excavation are often used to clear stubborn blockages, not all situations require heavy machinery.
In many cases, simpler solutions can restore flow more effectively and safely, especially for maintenance teams, commercial property managers, or crews operating without access to jetting trucks. This guide explains how to clear a...
In situations where industrial chemicals, petroleum products, toxic heavy metals, or other hazardous materials are released into the environment, blocking sewer lines can become necessary to halt their spread. Whether the spill is due to an accident or natural disaster, sewers can become conduits for contaminating a wider area, even affecting water treatment plants and municipal water systems. In those instances, there are several solutions available for blocking and isolating sewer lines, including...
When pipelines are decommissioned, governments and environmental agencies typically require them to be permanently sealed. The reason for blocking them off is to prevent residual hazardous material, like gas, oil, or chemicals, from leaking into the environment and potentially harming local communities or leading to ecological contamination. Permanent sealing also avoids accidental reuse of the line and stops water from entering the pipe and possibly causing corrosion or flooding.
One of the best...
Sealing boreholes in oil-rich and remote industrial locations poses substantial challenges due to extreme conditions and the vital need for safety. Leaks in pipelines delivering combustible, chemically aggressive liquids can cause environmental damage, safety concerns, and costly downtime.
These environments often include high pressures, intense temperatures, and corrosive substances that can destroy conventional sealing solutions. Furthermore, many boreholes are located in hard-to-reach places such...
Pipe leaks in oil refineries, petrochemical facilities, and heavy industrial plants are more than just a maintenance concern; they also compromise safety, environmental compliance, and operational continuity. Leaks in hydrocarbon systems, whether caused by corrosion, mechanical stress, or equipment failure, must be repaired as soon as possible to avoid costly downtime and hazardous spills.
Temporary industrial pipe sealing solutions that can endure harsh circumstances are critical for safe, effective...
Pipeline infrastructure is essential to providing key services like water, gas and wastewater management safely and effectively. Over time however, its condition can deteriorate due to wear-and-tear or environmental conditions, necessitating costly repairs or replacements. Point-specific rehabilitation solutions offer smart yet cost-effective ways of meeting this challenge, prolonging lifespan without incurring major repair bills.
Importance of Pipe Lining Maintenance
Regular maintenance is required...
