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

Pneumatic fluid power - Assessment of component reliability by testing - Part 5: Non-return valves, shuttle valves, dual pressure valves (AND function), one-way adjustable flow control valves, quick-exhaust valves

标准号

ISO 19973-5:2015

发布

2015年

发布单位

国际标准化组织

当前最新

ISO 19973-5:2015

 

 

引用标准

IEC 60050-191:1990 ISO 11727:1999 ISO 1219-1:2012 ISO 19973-1:2015 ISO 5598:2008 ISO 6358:1989 ISO 80000-1:2009 ISO 8778:2003

适用范围

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.

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