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在UG98中对于MAWP 定义如下:The maximum allowable working pressure for a vessel is the maximum pressure permissible at the top of thevessel in its normal operating position at the designated coincident temperature specified for that pressure.
在UG99中的标准水压中vessels designed for internal pressure shall be subjected to a hydrostatic test pressure that at every point
in the vessel is at least equal to 1.3 times the maximum allowable working pressure36 multiplied by the lowest stress ratio (LSR) for the materials of which the vessel is
constructed.
也就是说对于立式容器打水压时应该容器竖立时 水压表安装在最高点。这对于小容器还好操作,但一些大而高的容器由于条件限制就比较困难了,不知能否像国标一样,经核算采用卧式方式的水压?在规范中是否有相应的规定呢?
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