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[img]http://[/img]Steel elbow is used to be installed between two pipe or tube allowing to change of direction,usually they are distinguished by connection ends, The ends may be machined for butt ... A weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. Weld Neck Flange is easy to recognize at the long tapered hub, that goes gradually over to the wall ...
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