kinds :Blind flange,lap joint flange,thread flange,slip-on(so)flanges,welding neck flanges(wnf)socket welding ,loosehubbed flange etcmaterial:stainless steel ,alloy steel ,carbon steel,casting steel etcfacing :raised face,male face,female face etcany...
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flanges, elbow, tee, couping, cross...
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