Piping Pigs with Polyurethane Brushes


A piping pig with polyurethane brushes is a specialized instrument used for pipeline maintenance and cleaning in the oil, gas, water, and other industries. The pig is placed into the pipeline and pushed along by the pipeline pressure.


Introduction of Piping Pigs

Piping Pigs with polyurethane brushes are specialized instruments used for pipeline maintenance and cleaning in the oil, gas, water, and other industries. The pressure in the pipeline pushes the pig forward. The pig’s polyurethane brushes make contact with the inner walls of the pipeline as it moves, efficiently eliminating built-up debris, scale, and other impurities. This keeps the pipeline in good working order for the efficient and safe conveyance of fluids. Piping pigs can be equipped with various brushes, such as steel brushes and polyurethane brushes, to remove debris, scale, and other impurities from the pipeline’s inner walls.

piping pig

Advantages of Piping Pigs

Piping Pigs with polyurethane brushes brings several benefits to pipeline maintenance operations. The polyurethane brushes on these pigs are designed to withstand the abrasive conditions inside pipelines, contributing to the durability and longevity of the cleaning tool. Their efficiency in removing various types of debris, from rust and scale to more stubborn deposits, ensures a thorough cleaning process. This efficiency, combined with the ability of the brushes to adapt to the contours of the pipeline, ensures that all areas of the interior surface are effectively cleaned.

The use of polyurethane brushes on skeletal cleaning pigs also offers chemical resistance. This makes them suitable for pipelines that carry diverse substances, including oil, gas, and certain chemicals, without compromising the integrity of the brushes. Moreover, the nature of these brushes minimizes wear and tear on pipelines, potentially extending their operational lifespan.

In terms of safety, the use of these pigs significantly reduces the risk of blockages and buildup, which in turn decreases the likelihood of operational issues or accidents. Furthermore, they can be easily integrated into existing pipeline systems without necessitating extensive modifications. Finally, these cleaning pigs have environmental benefits. They contribute to maintaining pipeline efficiency, which can result in reduced energy consumption and lower emissions. Their versatility and adaptability make them suitable for use in a wide array of pipelines across various industries, including the oil, gas, and water sectors.

Piping Pig

Working Principle of Piping Pigs

The operational principle of a pipeline pig is simple yet efficient. This device, either solid or semi-solid, is utilized for cleaning, inspecting, or product separation within a pipeline system. The process begins with the insertion of the pig into a pig launcher, a dedicated starting point connected to the pipeline, which is subsequently sealed. Following this, the pressure from the fluid (such as oil, gas, or water) behind the pig starts to accumulate, propelling the pig forward into the pipeline. As the pig journeys through the pipeline, it fits tightly against the inner walls, effectively scraping off or pushing any debris, scale, or other contaminants that may have accumulated on the pipeline walls. The cleaning mechanism of the pig varies depending on its type; for instance, a cleaning pig equipped with polyurethane brushes scrubs the inner walls as it progresses.

Some pipeline pigs are outfitted with sensors and other instrumentation, termed “smart pigs,” designed to detect issues like leaks, cracks, or corrosion within the pipeline. Following the pig’s voyage, it arrives at a “pig receiver” or “pig trap” located at the other end of the pipeline segment. This area allows for the pig’s safe extraction from the system. Upon removal, the pig’s collected debris can be analyzed to assess the pipeline’s condition. If a smart pig is utilized, the gathered data can be downloaded and scrutinized to evaluate the pipeline’s structural integrity. Thus, the use of pipeline pigs promotes efficient pipeline operation, offering a robust solution for cleaning, inspecting, and maintaining the health of the pipeline infrastructure.

Foam PigOur Service

At EMT, we pride ourselves on providing high-quality, versatile, and responsive services tailored to align with your unique needs and expectations.

1. Variety of Signallers: We understand that every pipeline operation has its unique requirements. To cater to these diverse needs, we offer an extensive selection of signallers in various types and configurations. Our range of products ensures that you can find the perfect solution that aligns with your specific operational objectives, pipeline configurations, and industry standards.

2. Sample Provision: We believe in the quality of our products and services, and we are committed to demonstrating this to our clients. Upon request, we provide product samples to give you a firsthand experience of our high-quality signalers. This service allows you to assess our products’ compatibility with your operations before making a purchase decision, validating our commitment to quality and customer satisfaction.

3. Rapid Response: We know that in the world of pipeline operations, time is of the essence. Our team is committed to providing the fastest feedback in the industry. No matter your query or concern, we strive to respond promptly and effectively, ensuring you have the information you need when you need it.

4. Timely Delivery: We understand the importance of schedule adherence in your operations. Therefore, we are committed to delivering our products in the shortest possible time. Our efficient logistics and supply chain management systems ensure that your orders reach you right when you need them.

5. Round-the-Clock Availability: At EMT, our dedication to serving you goes beyond standard business hours. We operate 24/7, ensuring constant availability to support your needs. Whether you have a query, require technical assistance, or need to place an urgent order, our team is always online and ready to assist.


In conclusion, piping pigs equipped with polyurethane brushes are a crucial tool in maintaining the integrity and functionality of pipelines across various industries, including oil, gas, and water. They are designed to withstand abrasive conditions, efficiently remove debris, and minimize wear and tear on the pipeline. Their ability to adapt to pipeline contours and provide chemical resistance makes them versatile and suitable for carrying diverse substances. Furthermore, their utilization contributes to improved safety, environmental sustainability, and an extended operational lifespan for the pipelines, proving their indispensable role in these industries.

At EMT, our commitment to providing high-quality, versatile, and responsive services is unwavering. We offer a variety of pipeline maintenance solutions, rapid responses, timely delivery, and round-the-clock availability to meet your unique operational needs. Our dedication to customer satisfaction and our belief in the quality of our products and services set us apart in the industry. We strive to be your reliable partner in maintaining the health and efficiency of your pipeline infrastructure, contributing to safer, more sustainable, and more efficient operations.


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Shenyang EMT Piping Technology Co., Ltd.

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