Standard: DIN, ANSI, BS,JIS Size: DN15(1/2") to DN5000(200 ... Stainless steel 304,316,316L,carbon steel 1, Standard: ANSI, DIN, JIS, BS2, Size: DN15(1/2") to DN5000(200")3 ... 6, Pressure class: ANSI 150LBS-2500LBS, DIN PN6-PN160, BS PN0.25-PN25 PN2.0-PN42.0, JIS 5K-30K7, Type: Welding Neck ... , Threaded Flanges, Socket Welding Flanges, Blind Flanges, Other Flanges DIN standard 304 316 weld neck flange