水减压阀:(又名稳压阀)分活塞式和膜片式两种。膜片式采用控制阀体内的启闭件的开度来调节介质的流量,将介质的压力降低,同时借助阀后压力的作用调节启闭件的开度,使阀后压力保持在一定范围内。根据使用要求选定减压阀的类型和调压精度,再根据所需最大输出流量选择其通径。决定阀的气源压力时,应使其大于最高输出压力0.1MPa。
系列2300直接操作水减压阀适用于室内水系统流量有间歇性变化和变化迅速的终端水应用场合。
Series 2300 Direct Operated Water Pressure Reducing Valves are designed for dead-end water service where the flow is intermittent and changes rapidly, as on domestic water system.
系列F127 W法兰高性能水减压阀适用于以可观的幅度降低输入水压,以保护管道系统部件,降低水消耗。
Series F127W Flanged High Capacity water pressure Reducing Valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption.
这一个是很熟悉的,增压安全阀的疏忽打开,或者是在压水式反应堆的减压阀,或者是在沸水式反应堆的安全阀。
This one is the familiar one, inadvertent opening of a pressurised safety or relief valve in a PWR or a safety valve in a BWR.
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