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1.如下图电压力锅中哪个部分属于primary pressure-relief valve。哪部分是secondary oremergency relief device?
/ ^+ j$ M9 m! i n; |2.Hydrostatic Strength Test 中如何达到该测试条件? 1/2 times the release pressure of the emergency relief devices. 11.3 All openings for safety relief devices, gauges,andsimilar parts, are to be effectively closed. Covers havingclamping or gasketed arrangements for emergency relief are to be provided with supplementary means to enable the maximum test pressure to be exertedon the vessel and its cover.
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