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The Foam pigs are made from medium-density foam, with its base coated in a polyurethane elastomer. Foam pigs is primarily used for drying pipelines and removing loose debris.
Additionally, it serves multiple functions, such as acting as a gauging pig before a pipeline is put into service and verifying the internal condition of the pipe. It can also function as a sealing pig after a stuck pig incident and is effective for batch separation and product removal. Due to its low volume and pressure requirements, it is a highly efficient tool for pipeline cleaning.
The Foam pigs are designed to clean the inner surfaces of pipelines made from various materials. Foam pigs are capable of transporting water, steam, gas, oil, and sewage. With its soft composition and excellent flexibility, it can easily navigate elbows with small curvature radii.
Furthermore,Foam Pigs can be used for pipeline inspection, tracking, and other operations. They offer advantages such as precise die sizing, good wear resistance, and long operational distances. However, they require more complex molds, result in higher production costs, and use expensive raw materials.
Compared to other pigs, foam pigs are more cost-effective but have lower corrosion resistance. As a result, they are commonly used for preliminary pipeline inspections and, in some cases, for general cleaning.
