标准编号：ISO 3459:2022
中文名称：塑料管道系统 配件和压力管道之间的机械连接 负压下测试方法
英文名称：Plastic piping systems — Mechanical joints between fittings and pressure pipes — Test method for leaktightness under negative pressure
发布日期：2022-03
标准范围
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.
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