EN 803:1994
塑料管道系統.壓力管道用橡膠密封圈連接件的熱塑噴鑄管件.無端部拉力的抗瞬時內壓的試驗方法
Plastics piping systems - Injection-moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping - Test method for resistance to a short-term internal pressure without end thrust