对于TSV安全阀和PSV安全阀的讨论？ tsv 属于prv的一种。prv=pressure relief valve 。参考 api-rp-520 为什么有的叫safety valve，有的又叫 relief valve ，或者psv prf prd psd trv tsv ，本质上他们都是压力释放设备，各种名字的叫法主要是依据场所的目标而定。 因此从结构上来说，tsv和psv并无很大的区别，只是针对的场合不一样。tsv更多针对液体介质管道设备。 原话是这样的： a conventional pressure relief valve (see figures2 and 5) is a self-actuated spring-loaded pressure relief valve which is designed to open at a predetermined pressure and protect a vessel or system from excess pressure by removing or relieving fluid from that vessel or system. the valve shown in figure 5 is available in small sizes commonly used for thermal relief valve applications. prv =pressure relief valve trv =thermal relief valve查看更多
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