monopiles connecting aligning extending welding production line -hydraulic lift roller rotator.

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2, Welding Rotator: Self/Manual adjusting (5-2000T Dia.300-10000mm), for normal or special shaped PIPE TANK VESSEL welding .
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5,Longitudinal Liner seam& Butt welding machine. TIG MIG SAW technic, 1st grade seam welding for boiler, pressure vessel etc.
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[@rojorojo3754]

Good

[@toploongcnc]

www.littlebeelaser.com

[@jannikstegert462]

Which welding machine is used for such processes?

[@toploongcnc]

for wind turbine

[@joeanon5788]

My guess would be an automated Sub Arc Welding SAW. Look it up on YT. Usually done in the #1 position, and spinning the pipe. It deposits a lot of weld material and the gas coverage is provided by depositing, by gravity feed, a flux layer.