A42Y-160/320C型安全阀适用于工作温度≤200℃的空气、氮氢混合气等介质的设备和管路上。A42Y-160P/R、A42Y-320P/R型适用于工作温度≤200℃有腐蚀性气体的设备和管路上，作为超压保护装置。连接法兰按JB/T2769-92的标准。主要连接尺寸型号公称通径DNdodMDKZ-φdbd1CM1D1K1Z1-φdb1LL1≈HA42Y-16015820M24×295603-18202937M42×2115804-182295100263201027M33×2105683-18202937M42×2115804-182295100263251228M33×2105683-18204047M52×21651156-2628130135314321537M42×2115804-18225059M64×31651156-2632150150390402047M52×21651156-26286574M80×32001456-2940180165495502559M64×31651156-26328094M100×32251706-3345190190510A42Y-32015827M33×2105683-18202937M42×2115804-182295100263201032M36×2110753-18222937M42×2115804-182295100263251235M42×2115804-18224047M52×21651156-2628130135314321441M48×2135954-22255059M64×31651156-2632150150390401858M64×31651156-26326574M80×32001456-2940180165495502370M80×32001456-29408094M100×32251706-3345190190510A42Y-400321541M48×2135954-22255059M64×31651156-2632150150397)