Knapp manufactures a full line of metal mandrel pigs with replaceable urethane discs, cups and wire brushes.
Knapp manufactures batching pigs with two, or more replaceable urethane cups.
Knapp manufactures scraping pigs with replaceable urethane cups, discs and steel wire brushes.
Knapp manufactures bi-directional pigs with two or more replaceable urethane discs.
Knapp manufactures multi-dimensional pigs capable of traversing two or more pipe sizes.
Knapp metal mandrel pigs are available with optional bumper noses, check valve ramps, transmitter adapters and more.