Stainless Steel Forged Flanges and 304 316 316L Zhejiang Wenzhou Teye Flange Manufacture Co., Ltd. Base Info Model NO.:DN15 150LB(FF RF)blind flangesStandard:ANSIType:Welding FlangeMaterial:Stainless SteelManufacturing Way:Forging Description Pre:Coil Nails (SQ2557) Next:ANSI Standard Finished Hex Nuts