ASTM A234-WPC socket welded flange,ASME B16.9 SIZE: 1/2" - 48" ... /B16.28 PN:0.6MPa-32MPa,150Lb-2500Lb ASTM A234-WPC socket welded flange,ASME B16.9SIZE: 1/2" - 48" ... :0.6MPa-32MPa,150Lb-2500Lb Model NO:WNRF,SORF etc.Blind flangeColor:black/galvanizedAPI,PED,ISO certificate,DIN,JIS,BS,GOST ... :wooden box or pallet,as buyer's requirement ASTM A234-WPC socket welded flange,API,ISO,PED certificate,ASME B16.9 ...