DIN EN ISO 3458:2015 塑料管道系统. 配件和压力管之间的机械接头. 内部压力条件下的密封性试验方法 (ISO 3458-2015); 德文和英文版本EN ISO 3458-2015
Plastic piping systems - Mechanical joints between fittings and pressure pipes - Test method for leaktightness under internal pressure (ISO 3458:2015); German and English version EN ISO 3458:2015