标准摘要
[中文适用范围]： 规定了系列1和系列2圆形法兰的要求。 还规定了法兰的类型及其端面、尺寸、公差、螺栓尺寸（包括铜合金）、法兰面表面光洁度、标记、试验、检验和材料。 附件包括应用程序和安装。 [外文原描述]： Specifies requirements for circular flanges of series 1 and 2. It also specifies the types of flanges and their facings,dimensions, tolerances, bolt sizes (including copper alloy), flange face surface finish, marking, testing, insperation and materials. An annex includes application and installation.
英文名称Metallic flanges — Part 3: Copper alloy and composite flanges