Forged WELD NECK FLANGE (WN Flange) Manufacturer Changrun Supplies Forged WN Flanges, DN300 (12 Inch), 150 LB (PN20), Wall Thickness: SCH 60. Flange face: RF, FF, RTJ, TF, GF. Material: ASTM A694 F46. Certificates: CE, ISO, PED, TS, BV, CQC.
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