AVC Blind Flange Size: 1/2"- 80",DN15-DN2000 Pressure:150LB - 2500LB,PN6- ... , Slip On (SO) FF, RF, Plate Material: Carbon Steel ,A105,Stainless Steel 304, 316, 304L, 316LCertificates:ISO9001TS AVC will provide you ... best quality products and the most sincere service, AVC Blind Flange,Forged,STAINLESS STEEL