Rated to 20,000 psi, self-propelling Rotating Line Mole may be repaired in-field in under 5 min. Model RLM-2-20K/RLM-4-20K/RLM-6-20K, with flow rates from 4-18 gpm, has integrated backward-facing orifices that propel them through hard deposits on ID of pipes and tubes. Simultaneously, part of nozzle rotates and polishes pipe ID. Stainless steel nozzles can be predrilled or custom-drilled.