WELD NECK FLANGE ANSI #150 RF Materials :CS & SS& AS Size :DN15-DN1200 ISO9001 ISO14001 OHSAS1800 ... , SCH 100,SCH 120.SCH160, XXSStandard:ASTM , ASME, JIS, DIN, GB,BSMaterial:Carbon steel, Alloy stee, Stainless steelType:Blind flange, slip ... ,constructionSpecial design available as requirement WELD NECK FLANGE ANSI #150 RF