ISO 8659:1989
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.
OEN:
ISO
Langue:
English
Code(s) de l'ICS:
23.060.01;
83.140.30
Statut:
Annulée
Date de Publication:
1989-06-14
Numéro Standard:
ISO 8659:1989