A steel pipe company received complaints from its customer regarding rust on the pipes, which was suspected to have originated from a poorly conducted hydro test process. As a result, the company had to pay a substantial penalty.

The hydro test process is a crucial stage that steel pipe manufacturers must perform to test strength and detect leaks. This process involves injecting high-pressure water into the pipes. During the hydro test, the quality of the water used is extremely important because it comes into direct contact with the pipe’s surface, especially the interior.

After conducting a site visit and discussions with the field team, the following data was obtained:

• The corrosion chip test results showed 80% rust.
• The bacteria growth test indicated a count of 1 million col/cc (exceeding the maximum limit of 100,000 col/cc), leading to an unpleasant odor

Solution
To prevent the recurrence of internal pipe rust and unpleasant odors as mentioned above, Eonchemicals offers a solution with the EonTrim PHT product for the hydro test process.

EonTrim PHT is a product specifically designed for the hydro test process, featuring the following benefits: 

• Excellent bio package, which can control bacterial growth.
• Provides rust protection during the hydro test process

Success Story 

The hydro test process in the field was conducted using 5% EonTrim PHT. At the end of the trial period, tests were conducted on rust parameters (chip corrosion test) and bacterial growth with the following results:  

Conclusion

The chip corrosion test results indicate that using EonTrim PHT can be a solution to address rust issues. Bacterial growth was also reduced to below 100 col/cc, thus eliminating unpleasant odors.

For hydro test problem consultations, please contact us.