汇丰安全阀蝶式A42Y、A62Y弹簧式安全阀结构图Structural drawing，结构图如上
结构参数如下：
汇丰安全阀蝶式A42Y、A62Y弹簧式安全阀系列Seris
A62Y-P(54)100V
A62Y-P(31)112V
A62Y-P(55)140V
A62Y-P(55)70V
A42Y-P(56)26V
A42Y-P(45)45V
A42Y-P(33)26.5V
此系列弹簧式安全阀阀门适用于火力发电厂或发电站蒸汽介质设备及管路上，作为超压保护装置。当管路内压力超过允许值时，阀门自动开启，全量排放；当压力降至规定值时，弹簧式安全阀阀门自动快速关闭，保证设备及管理的安全有效持续运行。
The valve is applicable for the steam medium equipment and pipeline of firepower power plant,as the equipment of protecting super-pressure.When the pressure of equipment and pipeline exceeding the allowed value,the valve will tum on automaticaly and discharge the pressure entirely.When the pressure decrease to the stated value,the valve will quickly tum off automatically,in order to make the equipment and pipeline run safely and effectively.
汇丰安全阀蝶式A42Y、A62Y弹簧式安全阀主要性能规范、主要零部件材料、外形尺寸及连接尺寸参数表如下：
