The Solid Proving Pig is used to prove that the internal dimensions of a pipe or duct, do not fall below a minimum diameter, and that the pipe/duct has a circular profile. The Solid Proving Pig is simply pulled through the pipe/duct.

The Solid Proving Pig is supplied with a towing eye at both ends so that a rope may be pulled in at the same time to allow the pig to be retracted, if necessary, or to act as a cable draw cord.

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