CARBON STEEL FORGED FLANGES OIL SERIES Shapes Welding Neck (Type 11)  Slip on (Type 12) Blind (Type 05) Threaded (Type 13) Socket Welding (Type 14) Lap-joint (Type 15) Orifice Welding Neck (type 11) Standards/Grades NFE 29-203 / 29-204 / BF 48 N ASTM A 105 N / ANSI B 16.5 etc. Dimensions / Tolerances / Testing (according to Standard) Diameters: 10.3 to 609 mm Classes: ISO PN 10, 16, 25, 40 ISO PN 20, 50, 100 (Class 150, 300, 600) etc. Finishing On request: Special markings, colour coding, etc. Certification 3.1 B according to EN 10 204 Applications Bolting materials, sealing gaskets, ring-joints and collars for complete assembly Applications  Conveyance of hydrocarbons and gases (Assembly of "oil series" pipe)