Wirebrush foam pigs are primarily used for cleaning pipelines with buildup, rust, mill scale, or debris in new construction, and routine maintenance applications. Models are available in light, medium, and heavy density foam. The pigs are constructed from an open-cell polyurethane foam with a durable polyurethane elastomer coating in a criss-cross pattern and embedded with wirebrush straps.
The tool configuration is made up of 2 circular brushes and 4 seal discs separated by spacer discs mounted or a combination of spacers discs and a single fabricated spacer assembly. The front and rear of the tool are fitted with threaded retrieval noses to provide the primary locking method, aid the handling and retrieval of the tool and to prevent any metal to metal contact. Protector noses are fitted in conjunction with the retrieval nose on tools using spacers and flanges above Ø90mm. Both the threaded components are fitted with split pins to provide a secondary locking method.