Forged WELD NECK FLANGE (WN Flange) Manufacturer Changrun Supplies Forged WN Flanges, DN80 (3 Inch), 150 LB (PN20), Wall Thickness: SCH 10. Flange face: RF, FF, RTJ, TF, GF. Material: ASTM A182 F91. Certificates: CE, ISO, PED, TS, BV, CQC.
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