
Rubber Seals - Joint Rings For Water Supply, Drainage And Sewerage Pipelines - Specification For Materials
出版:Nederlands Normalisatie Instituut

專(zhuān)家解讀視頻
Defines requirements for materials used in vulcanized rubber seals for the following: a) cold drinking-water supplies (up to 50 degrees C); b) drainage, sewerage, and rainwater systems (continuous flow up to 45 degrees C and intermittent flow up to 95 degrees C).