... Material: Stainless steel 304,316,316L,carbon steel 1, Standard: ANSI, DIN, JIS, BS2, Size: DN15(1/2") to DN5000 ... or as per customers' special requirement 6, Pressure class: ANSI 150LBS-2500LBS, DIN PN6-PN160, BS PN0.25-PN25 ... Type: Welding Neck Flanges, Slip-On Flanges, Lap Joint Flanges, Threaded Flanges, Socket Welding Flanges, Blind Flanges, Other Flanges ANSI B16.5 Plate-type flat welding flange