95.99 Withdrawal of Standard Apr 3, 2020
ISO
ISO/TC 138/SC 7 Valves and auxiliary equipment of plastics materials
International Standard
23.060.01 Valves in general | 83.140.30 Plastics pipes and fittings for non fluid use
Specifies a method for testing the fatigue strength and performance of thermoplastic valves incorporated in a valve assembly with its obturator mechanism under pressure. Repeated opening and closing shall be performed for as many cycles and using the torque as specified by the particular product standard.
WITHDRAWN
ISO 8659:1989
95.99
Withdrawal of Standard
Apr 3, 2020
PUBLISHED
ISO 8659:2020