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Dimensions Welding Neck flanges(Vorschweiss-Flansche) Type 11, Pressure Nominal (PN) 16 - DIN EN 1092-1
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DIN 2636 PN64 Welding Neck Flange Dimensions | ASTM A234 butt weld pipe fittings,A182 forged pipe fittings,B16.5 weld neck flange,API 5L seamless pipes
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