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weld neck flange
Material: Q235
Dimension Standard: ASME B16.5
Pressure Rate: 150# 300# 600# 900# 1500# 2500#
Connecting Face: RF FF RTJ
Wall thickness: SCH20 STD SCH40 etc
Painting: Sub-polishing Lacquer
Advantage: Good quality ,quick delivery with reasonable price
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carbon steel weld neck flanges