Unplasticized polyvinyl chloride (PVC) and metal adaptor fittings for pipes under pressure — Laying lengths and size of threads — Metric series
压力管道用未增塑聚氯乙烯(PVC)和金属适配器配件——螺纹的铺设长度和尺寸——公制系列
发布日期:
1979-07-01
用于连接现有金属管道、配件和阀门的压力管道的所有类型PVC和金属适配器配件的直径系列和尺寸规范。
Specification of the series of diameters to be used and the dimensions, which are common to all types of PVC- and metal adaptor fittings for pipes under pressure, to achieve connection to existing metal pipes, fittings and valves.