EN ISO 8659:2020
热塑性塑料阀门.疲劳强度.试验方法

Thermoplastics valves - Fatigue strength - Test method (ISO 8659:2020)

作废

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标准号

EN ISO 8659:2020

发布

2020年

发布单位

欧洲标准化委员会

当前最新

EN ISO 8659:2020

 

 

适用范围

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).

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