Forged WELD NECK FLANGE (WN Flange) Manufacturer Changrun Supplies Forged WN Flanges,
DN100 (4 Inch),
150 LB (PN20),
Wall Thickness: SCH STD.
Flange face: RF
Material: ASTM A105.
Certificates: CE, ISO, PED, TS, BV, CQC.
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