Equipment for local and volumetric PWHT (heat treatment of welded joints)

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Heat treatment of welded joint of boiler's utilizer high-pressure drum


Works on preliminary and concurrent heating with subsequent heat treatment during the repair of the drum choke at one of the CHP plants in St. Petersburg was performed.

The technological task for heat treatment.

PWHT units

Local PWHT

Heating elements

PWHT perocess

Local heat treatment

Repair of high pressure drum choke

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