标准摘要
[中文适用范围]： 本标准规定了检查机械配件与直径63mm以下塑料压力管道之间装配接头密封性的两种试验方法。 无论用于连接塑料管道的配件的设计和材料如何，该测试都适用。 本试验方法不适用于熔焊接头。 [外文原描述]： This document specifies two methods of testing for checking the leaktightness of assembled joints between mechanical fittings and plastic pressure pipes with diameters up to and including 63 mm. The test applies regardless of the design and material of the fitting used for jointing plastics pipe. This test method is not applicable to fusion-welded joints.
英文名称Plastic piping systems — Mechanical joints between fittings and pressure pipes — Test method for leaktightness under negative pressure