Projects of CEN/TC 155/WG 32

DIN EN ISO 17778 rev 2026-06-12 Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships More  Comment 
DIN EN 12119 rev 2026-05-04 Plastics piping systems - Polyethylene (PE) valves - Test method for resistance to thermal cycling More  Comment 
DIN EN ISO 1452-4 rev 2026-02-13 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 4: Valves More  Comment 

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