ISO 8659:1989 PDF
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Thermoplastics valves — Fatigue strength — Test method
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.
| Edition | 1989 |
|---|---|
| Published Date | 1989 |
| Published By | International Standardization Organisation |
| Page Count | 2 |
