Since cordite burns at a greater rate at a higher pressure a relief valve must be used to allow generated gas to escape to atmosphere at times when the demand is low.
因为柯达火药在较高的压力下以较高的速度燃烧，所以必须使用一个溢流阀，以便当用气少时，能让所产生的部分气体排到大气中去。
Through the analysis of gas pulsation characteristics in reciprocating compressor and deviation in set pressure, the equation is given for determining the minimum set pressure of safety relief valve.
分析了往复式压缩机气流脉动的特点，结合安全阀的整定压力偏差，给出了确定最小安全阀整定压力的公式。
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