A42Y-16C A42Y-40 A42Y-100 A42Y-16P A42Y-40P A42Y-100P A42Y-16R A42Y-40R A42Y-100R KA42Y-16 KA42Y-40 KA42Y-100 DA42Y-16C DA42Y-40 DA42Y-100 DA42Y-16P DA42Y-40P DA42Y-100P A42Y-25 A42Y-64 A42Y-25P A42Y-64P A42Y-25R A42Y-64R KA42Y-25P KA42Y-64 DA42Y-25P DA42Y-64P

　　全启封闭式安全阀适用于工作温度≤300℃的空气、石油气等介质的设备和管路上; A42Y-16P~40P型适用于工作温度≤200℃有腐蚀性的气体介质的设备和管路上;作为超压保妒装置,当设备和管路内压力超过允许值时,阀门自动开启,继而全量排放:当压力降低到规定值时,阀门自动关闭,保证设备和管路的安全运行。