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Batching pigs

 

PRV1 batching pigs

These devices are provided in two modifications — with scraper cups and scraper discs. Batching pigs equipped with scraper cups are designed for the following purposes:

  • removing water from the inner surface of pipelines under construction or reconstruction after their hydraulic testing;
  • separating different types of oil refined products during pipeline operation;
  • making the pipelines devoid of oil and oil refined products under pressure of compressed gas.

Batching pigs equipped with scraper cups and additional scraper disks provide a chance to detect pipeline geometry defects after running.

The devices of the second modification are equipped with cleaning discs and used as cleaning pigs for cleaning the inner surface of pipelines from paraffin-containing deposits and foreign objects. Details

PRV2 batching pigs

PRV2 batching pigs with enhanced sealing qualities are designed for:

  • removing water from the inner surface of pipelines under construction or reconstruction under pressure of compressed air;
  • separating different classes of oil and oil refined products during the pumping process;
  • making the pipelines devoid of oil and oil refined products under pressure of inert gas. Details