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 LB - Light Density Bare Swab
Foam Pig Guide
Description: 2-pound-per-cubic-foot density foam cylinder with 90 Shore A durometer urethane coating on rear only. Also available in bullet shape.
Alternate Functions: Daily pigging where pressures are low, but cleaning is needed to reduce rapidity of buildups. Used as a gauging pig when progressive pigging is performed in order to ascertain reduced
line diameter. Used as a sealer pig when progressive cleaning and smaller-than-line-size pigs are being run, by preventing too much bypass of the cleaning pig.
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