Due to its flexible sealing lips the I.S.T. Duo lip pig facilitates an optimum sealing. Even with inferior quality pipelines it provides excellent operation characterisitics. It is also available with or without magnet. The body of this pig is manufactured from polyurethane (AU) - foamed or solid and the seal lips are non abrasive solid polyurethane.
Only available in conjunction with I.S.T. pigging valves or systems