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[". Was genau bedeutet die安全阀3年1检的弹簧要求?

2020-02-20View Original

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《TSG 21-2016 固定式压力容器安全技术监察规程》中提到安全阀可以进行3年一检的其中一个条件是: 安全阀制造单位能够提供证明,证明其所用弹簧按照GB/T12243《弹簧直接载荷式安全阀》进行强压处理或加温强压处理,并且同一热处理炉同规格的弹簧取10%(但不的少于2个)测定规定下的负荷的变形量或者刚度,测定值的偏差不大于15%的 这个15%到底分子分母是什么,比如A弹簧的原始长度是A原,压缩后的长度是A压;B弹簧的原始长度是B原,压缩后的长度是B压。 按我的理解达到条件有两种解释: 一、(A原-A压)/A原

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