AVC Blind Flange Size: 1/2"- 80",DN15-DN2000 Pressure:150LB ... B2220/KS B1503), 150Lbs - 2500Lbs (ANSI), PN6-PN100 (DIN, UNI, EN1092-1)Standard:ANSI/ASME B16.5, JIS B2220, KS B1503, EN1092 ... Slip On (SO) FF, RF, Plate Material: Carbon Steel ,A105,Stainless Steel 304, 316, 304L, 316LCertificates:ISO9001TS AVC will provide you ... and the most sincere service, AVC Blind Flange,Forged,STAINLESS STEEL