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ANSI B16.6 ASME B16.47 Socket Weld Flange
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Stainless Steel Socket Weld Flange
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socket weld flange ASTM A105 class 150
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raised face socket weld flange
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Forged Flanges ,slip on flange,threads flange,socket weld flange
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Socket Weld Flange with #150 to #2,500 Pressure
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Socket Weld Flange with a105, ANSI B16.5