This part of ISO 19973 provides test procedures for assessing the reliability of the following types of pneumatic valves: — non-return (check) valves; — pilot-operated non-return valves; — shuttle valves; — dual pressure valves (AND function); — one-way adjustable flow control valves; — quick-exhaust valves by testing and the methods of reporting the results of testing. General test conditions and the calculation method are provided in ISO 19973-1. The methods specified in ISO 19973-1 apply to the first failure, as obtained with the three-points moving average (3PMA) method, without repairs, but excluding outliers. The lifetime of these pneumatic valves is usually given as a number of cycles. Therefore, whenever the term “time” is used in this part of ISO 19973, this variable is understood as a number of cycles. This part of ISO 19973 also specifies test equipment and threshold levels for tests to assess the reliability of these pneumatic valves.
ISO 19973-5:2015由国际标准化组织 IX-ISO 发布于 2015-09。
ISO 19973-5:2015在国际标准分类中归属于: 23.100.01 流体动力系统综合。
静物数码照相机可靠性试验指南ISO 19973-5-2015 气压液动. 通过试验评估部件的可靠性. 第5部分: 非回流阀, 梭阀, 双压阀 (AND功能), 单向可调流量控制阀和快速排气阀ISO 19973-4-2014 气压液动. 通过试验评估部件的可靠性....
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