A Repair Process for the Sealing Surface of Nuclear-Grade Gate Valve Plate
A sealing surface and nuclear-grade gate technology, which is applied in the field of nuclear-grade gate valve valve plate sealing surface repair technology, can solve the primary pressure boundary damage of the primary circuit and other problems
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[0041] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0042] A process for repairing the sealing surface of a nuclear-grade gate valve plate, which specifically includes the following steps:
[0043] 1.1. There is a defect in the sealing surface of the valve plate 2 of the valve body 3 of the highly radioactive nuclear-grade gate valve.
[0044] 1.2. Collect information such as the structure of the valve to be repaired, the valve plate body and the material of the sealing surface.
[0045] 1.3. Combining with the material of the valve plate body and sealing surface, write the welding process qualification and heat treatment process and pass the review.
[0046] 1.4. Prepare corresponding welding consumables and simulation bodies in combination with welding procedure qualification.
[0047]1.5. Carry out simulation verification on the simulation body according to the welding procedure qualification and he...
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