BS EN 1591-2-2008 Flanges and their joints — Design rules for gasketed circular flange connections P
BS EN 12560-5-2001 法兰及其接头.标示等级的法兰的衬垫.钢法兰用的金属环接头衬垫Flanges and their joints - Gaskets for Class-design
BS EN 12560-4-2001 Flanges and their joints - Gaskets for Class-designated flanges - Corrugated, fla
BS EN 12560-3-2001 Flanges and their joints - Gaskets for Class-designated flanges - Non-metallic PT
BS EN 12560-2-2001 Flanges and their joints - Gaskets for Class-designated flanges - Spiral wound ga