Internal Tube Puncturing

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Internal Tube Puncturing

Internal tube puncturing is a controlled process used to deactivate leaking or damaged tubes in heat exchangers when plugging or retubing is not immediately feasible. This method involves creating an internal puncture in the tube wall to relieve pressure and isolate the defective tube from the system, preventing further leakage or cross-contamination.

Metalok Industries uses specialized puncturing tools and precision-guided equipment designed to safely puncture tubes without damaging adjacent tubes or the tube sheet. The process is performed under strict safety and quality standards to maintain the overall integrity of the heat exchanger.

This procedure requires trained and certified technicians with experience in handling high-pressure and critical service exchangers, ensuring safe, efficient, and reliable execution for both onshore and offshore applications.

Inspect and identify leaking or damaged tubes requiring puncturing.
Ensure the heat exchanger is completely depressurized, isolated, and drained.
Obtain necessary work permits and follow all safety procedures.
Select the correct puncturing tool suitable for the tube size and material.
Insert the puncturing tool carefully into the defective tube.
Position the tool accurately to puncture the tube at the desired location.
Apply steady pressure to create a clean, controlled puncture.
Remove the tool and confirm that the tube has been successfully deactivated.
Inspect the surrounding tubes and tube sheet for any signs of damage.
Clean the work area and document all punctured tube locations for maintenance records.