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Pigging and Testing

Pigging is completed to increase efficiency and avoid potential problems on existing pipelines, as well as to remove new construction debris and assist during hydrostatic testing.

Upon completion of pipeline construction, the line is required to be tested to prove its integrity. This testing can be completed pneumatically with air or nitrogen, or it can be completed with fluids such as water or glycol. 

Hydratight is not only capable of completing all forms of testing, but also has the global experience to complete testing effectively. For every test to be completed, we provide an engineered procedure to be executed, as well as engineering support throughout.


  • Pipeline pre-commissioning
  • Pipeline maintenance
  • Boiler maintenance
  • Line dewatering
  • Line drying
  • Product batching