... Blind,Etc.StandardANSI, ASME ,MSS, API, DIN, JIS, BS. AWWA and GBClassANSI 150LBS-2500LBS,DIN PN6-PN160BS PN0.25-PN25 PN2 ... /800Cu-Ni90/10,70/30ProcessFree forging, plate cutting.PrintingCarbon steel and alloy steel with yellow print, black print, oil or zinc ... Party inspection available.We can also manufacture special application flanges and forgings as your requirement.