60.60 Standard published Dec 15, 2009
CEN
CEN/TC 155 Plastics piping systems and ducting systems
European Norm
23.040.45 Plastics fittings
Published
ISO 13967:2009 specifies a method of determining the ring stiffness of bends and branches made from thermoplastic material and for use with plastics pipes having a circular cross-section. The method can be used to determine the stiffness of bends, equal branches and unequal branches, provided the fitting allows a diametric deflection of at least 4 %.
PUBLISHED
EN ISO 13967:2009
60.60
Standard published
Dec 15, 2009