... .Painting or power coating surface 4.OEM&ODM Iron Flange Converter General Information:Material: ductile iron, grey iron, steelWidely used in ... iron, grey iron , steel Size DN100 PN16, DN50 PN16 etc Weight It ranges from 0.5kgs to 30kgs Surface painting, power ... pipe connect Certificate ISO9001:2008Conpany information:Quality Control: Iron Flange Converter