We offer duplex flanges as per the following specifications:Standard:ASTM / ASME A/SA 18 Grade : F 44, F 45, F51, F 53, F 55, F 60, F 61Types:Reducing flanges.Blind flanges.Plate flanges.Screwed flanges.Weld neck flanges..Slip on flanges.Socket weld flanges.Lap joint flanges.
