Process flow of necked butt welding flange
Friday, 14 October 2022
Each flange has its own differences, processing methods, structural structures, molding processes, uses and prices. Only by understanding their differences can you better choose a product that suits you. The necked butt welding flange usually adopts the centrifugal method. The production method of orchid is precision casting. Compared with ordinary sand casting, this type of
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