Our company can manufacture various types of flange constructed, high quality and low price Standard weld neck ... , 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME ... power, shipbuilding, papermaking, construction, etcSpecial design available as the requirement of customer