ISO 4434:1977被替代
Unplasticized polyvinyl chloride (PVC) adaptor fittings for pipes under pressure - Laying length and size of threads - Metric series
出版：International Organization for Standardization
专家解读视频
Specifies the metric series of diameters to be used and of dimensions, which are common to all types of PVC-adaptor fittings for pipes under pressure to secure the connection to existing metal pipes and/or fittings with pipe threads.
SNV ISO 4434:1977 - Identical
SNV ISO 4434 : 1977 - Identical
SNV ISO 4434 : 1977 - Identical
KS M ISO 4434:2010 - Identical
