ISO 8659:1989
Thermoplastics valves; fatigue strength; test method
- Standard No.
- ISO 8659:1989
- Release Date
- 1989
- Published By
- International Organization for Standardization (ISO)
- Status
- Replace By
- ISO 8659:2020
- Latest
- ISO 8659:2020
- Scope
- 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.
ISO 8659:1989 history
- 2020 ISO 8659:2020 Thermoplastics valves — Fatigue strength — Test method
- 1989 ISO 8659:1989 Thermoplastics valves; fatigue strength; test method
