ASTM A234-WPC socket welded flange,ASME B16.9 SIZE: 1/2" - 48" DIMENSIONS: ASME B16.9/B16.28 PN:0.6MPa-32MPa ... ,150Lb-2500Lb ASTM A234-WPC socket welded flange,ASME B16.9SIZE ... : 1/2" - 48" DIMENSIONS: ASME B16.9/B16.28 PN:0.6MPa ... A234-WPC socket welded flange,API,ISO,PED certificate,ASME B16.9