Polyvinyl chloride (PVC, CPVC) national/industry standards and technical seminar pre-notice

Relevant units: In recent years, China has issued more than 20 national/industry standards for PVC pipeline systems, in order to facilitate production enterprises, design institutes, testing institutions, users, supervision units, etc., to better understand, use and implement standards, the national/industry standard for PVC pipeline was proposed to be held in Qingdao at the end of August 2023. The relevant matters of the meeting are hereby notified in advance as follows: 1 Market capacity and development trend of polyvinyl chloride pipes 2 New version of hard polyvinyl chloride (PVC-U) pipes and fittings for water supply (GB/T 10002.1, GB/T 10002.2) national standard disintegration 3 Production technology of PVC raw material for pipeline and its influence on the performance of pipeline Service life prediction method of elastic seal ring for water supply and drainage plastic pipeline 5 Interpretation of national standard, key production technology and application of oriented hard PVC (PVC-O) pipes and connectors for pressure water delivery (GB/T 41422) 6 PVC and chlorinated PVC pipe processing auxiliary differences and technical requirements 7 large diameter chlorinated PVC pipe production key technology 8 New non-pressure buried sewage, drainage of hard PVC (PVC-U) pipe (GB/T 20221) interpretation of the national standard 9 Chlorinated PVC pipe in building pipe network design and application potential 10 Analysis of common problems and causes in the performance testing of PVC plastic pipes 11 Interpretation of PVC low pressure irrigation standards and its application prospects in the construction of high standard farmland 12 Interpretation of industry standards of hard polyvinyl chloride (PVC-U) rain water pipes and fittings for construction (QB/T 2480) 13 Matters needing attention in the construction of PVC pipes 14 Interpretation and application of national standards for chlorinated polyvinyl chloride (PVC-C) pipeline system for water spraying (GB/T 39380.1, GB/T 39380.2)