1Key Takeaways
This document specifies the endurance test necessary to confirm the ability of hand-operated plastics valves to withstand prolonged use, with repeated opening and closure. It does not specify the ability of valves to withstand adverse conditions, in particular those of chemically aggressive fluid media and/or environme…
2Scope / Description
This document specifies the endurance test necessary to confirm the ability of hand-operated plastics valves to withstand prolonged use, with repeated opening and closure. It does not specify the ability of valves to withstand adverse conditions, in particular those of chemically aggressive fluid media and/or environments, or excessive fluid velocities and cavitation.NOTE Concerning the chemical aggression of the materials, a classification table is reported in ISO/TR 10358[1].This document includes values of the parameters necessary for the proper performance of the endurance test, with the reservation that the parameters are different in particular product standards (see 5.1).
6Frequently Asked Questions
What is EVS-EN ISO 8659:2020?
EVS-EN ISO 8659:2020 — Thermoplastics valves - Fatigue strength - Test method (ISO 8659:2020) is an international standard developed by Estonian Centre for Standardisation. This document specifies the endurance test necessary to confirm the ability of hand-operated plastics valves to withstand prolonged use, with repeated opening and closure. It does not specify the ability of valves to withstand adverse conditions, in...
What does EVS-EN ISO 8659:2020 cover?
This standard covers: This document specifies the endurance test necessary to confirm the ability of hand-operated plastics valves to withstand prolonged use, with repeated opening and closure. It does not specify the ability of valves to withstand adverse conditions, in particular those of chemically aggressive fluid...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
How do I purchase EVS-EN ISO 8659:2020?
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