BS EN 1759-1-2004 法兰及其连接件.等级标示的管、阀门、配件和附件用环形法兰.NPS 1/2到24 钢法兰

标准号：BS EN 1759-1-2004
中文标准名称：法兰及其连接件.等级标示的管、阀门、配件和附件用环形法兰.NPS 1/2到24 钢法兰
英文标准名称：Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, class-designated - Steel flanges, NPS 1/2 to 24
标准类型：J15
发布日期：2004/11/30 12:00:00
实施日期：2004/11/30 12:00:00
中国标准分类号：J15
国际标准分类号：23.040.60
适用范围：This European Standard for a single system of flanges specifies requirements for circular steel flanges in Class designations Class 150 to Class 2 500 and nominal sizes from NPS1/2 to NPS 24. NOTE The relationship between nominal size (DN) and nominal size (NPS) is given for reference purposes in Tables 9 to 14. This standard specifies the flange types and their facings, dimensions, tolerances, threading, bolt sizes, flange jointing face surface finish, marking, materials and pressure/temperature ratings. This standard does not apply to flanges made from bar stock by turning, or to flanges of types 11, 12, 13, 14 and 15 made from plate material.