1)size: 1/2" - 84" 2)service:OEM,design,buyer label 3)certificate:ISO9001:2000,QS-9000 4)standard:DIN,ASME,JPI,ANSI,BS,UNI,e Socket weld KF flange Our products are of good quality and favorable priceDetailed Product Description Product Categorycarbon steel flange, stainless steel flange, slip on flange, forged flange, blind flange,etcAirtight surface type RF, FF, MF, MFM, TG, RTJ ect.size 1/2" - ...