本文件规定了产品特性、评估方法、试验结果的符合性标准，以及用于连接金属管的冲压配件（包括其弹性密封件）的命名系统。接头端的标称直径为6 mm至108 mm。压力机配件的使用寿命长达50年。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies product characteristics, assessment methods, compliance criteria of test results and a designation system for press fittings including their elastomeric seals, for connecting with metallic tubes. The fitting ends have a nominal diameter from 6 mm to 108 mm. The press fittings are designed for a service lifetime up to fifty years.All current amendments available at time of purchase are included with the purchase of this document.