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  • 10/09/2022
    What should be paid attention to during pipeline pre installation II

    Welding of pipes and fittings (1) Argon tungsten arc welding or argon arc welding backfill welding. When the pressure exceeds 21mpa, argon 5L /min should be passed inside the tube at the same time; (2) When the wall thickness of the pipe is greater than 2mm, the outer circle should be cut into a 35°… Continue reading What should be paid attention to during pipeline pre installation II

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