本文件规定了用于连接塑料压力管道系统的机械配件的要求和试验方法，包括以下方面的过渡配件和金属管: -气体燃料（气体）的供应人类生活用水的供应（W），包括处理前的原水和一般用途的供水，以及压力下的地下排水和污水系统（P）；-灌溉用水供应（I）；-工业应用（IS）。 本文件仅适用于具有相关系统标准中规定的工作温度和压力限制的机械配件。 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 the requirements and test methods for mechanical fittings intended to join plastic pressure piping systems including transition fittings to metal pipes for the following: — supply of gaseous fuels (GAS);— supply of water for human consumption (W), including raw water prior to treatment and for the supply of water for general purposes, as well as underground drainage and sewerage under pressure (P);— supply of water for irrigation (I);— industrial applications (IS). This document is applicable only to mechanical fittings with operating-temperature and pressure limits as indicated in the relevant systems standards.All current amendments available at time of purchase are included with the purchase of this document.