Abstract / scope
Specifies a test method for the determination of the opening and closing torque of thermoplastic valves. Testing shall be carried out by nominal pressure before and after a conditioning period.
ISO 8233:1988Withdrawn
Thermoplastics valves — Torque — Test method
Robinets en matériaux thermoplastiques — Couple de manoeuvre — Méthode d'essai
This edition has been replaced by ISO 8233:2024.